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Rewrite the snippet below in PHP so it works the same as the original Go code.
package main import ( "fmt" "math/rand" "time" ) func sOfNCreator(n int) func(byte) []byte { s := make([]byte, 0, n) m := n return func(item byte) []byte { if len(s) < n { s = append(s, item) } else { m++ if rand.Intn(m) < n { s[rand.Intn(n)] = item } } return s } } func main() { rand.Seed(time.Now().UnixNano()) var freq [10]int for r := 0; r < 1e5; r++ { sOfN := sOfNCreator(3) for d := byte('0'); d < '9'; d++ { sOfN(d) } for _, d := range sOfN('9') { freq[d-'0']++ } } fmt.Println(freq) }
<?php function s_of_n_creator($n) { $sample = array(); $i = 0; return function($item) use (&$sample, &$i, $n) { $i++; if ($i <= $n) { $sample[] = $item; } else if (rand(0, $i-1) < $n) { $sample[rand(0, $n-1)] = $item; } return $sample; }; } $items = range(0, 9); for ($trial = 0; $trial < 100000; $trial++) { $s_of_n = s_of_n_creator(3); foreach ($items as $item) $sample = $s_of_n($item); foreach ($sample as $s) $bin[$s]++; } print_r($bin); ?>
Write the same code in PHP as shown below in Go.
package main import ( "fmt" "math/rand" "time" ) func sOfNCreator(n int) func(byte) []byte { s := make([]byte, 0, n) m := n return func(item byte) []byte { if len(s) < n { s = append(s, item) } else { m++ if rand.Intn(m) < n { s[rand.Intn(n)] = item } } return s } } func main() { rand.Seed(time.Now().UnixNano()) var freq [10]int for r := 0; r < 1e5; r++ { sOfN := sOfNCreator(3) for d := byte('0'); d < '9'; d++ { sOfN(d) } for _, d := range sOfN('9') { freq[d-'0']++ } } fmt.Println(freq) }
<?php function s_of_n_creator($n) { $sample = array(); $i = 0; return function($item) use (&$sample, &$i, $n) { $i++; if ($i <= $n) { $sample[] = $item; } else if (rand(0, $i-1) < $n) { $sample[rand(0, $n-1)] = $item; } return $sample; }; } $items = range(0, 9); for ($trial = 0; $trial < 100000; $trial++) { $s_of_n = s_of_n_creator(3); foreach ($items as $item) $sample = $s_of_n($item); foreach ($sample as $s) $bin[$s]++; } print_r($bin); ?>
Generate a PHP translation of this Go snippet without changing its computational steps.
package main import ( "fmt" "os" ) func main() { for i, x := range os.Args[1:] { fmt.Printf("the argument #%d is %s\n", i, x) } }
<?php $program_name = $argv[0]; $second_arg = $argv[2]; $all_args_without_program_name = array_shift($argv);
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import ( "fmt" "os" ) func main() { for i, x := range os.Args[1:] { fmt.Printf("the argument #%d is %s\n", i, x) } }
<?php $program_name = $argv[0]; $second_arg = $argv[2]; $all_args_without_program_name = array_shift($argv);
Convert this Go snippet to PHP and keep its semantics consistent.
package main import ( "fmt" "os" ) func main() { for i, x := range os.Args[1:] { fmt.Printf("the argument #%d is %s\n", i, x) } }
<?php $program_name = $argv[0]; $second_arg = $argv[2]; $all_args_without_program_name = array_shift($argv);
Port the following code from Go to PHP with equivalent syntax and logic.
package main import ( "fmt" "os" ) func main() { for i, x := range os.Args[1:] { fmt.Printf("the argument #%d is %s\n", i, x) } }
<?php $program_name = $argv[0]; $second_arg = $argv[2]; $all_args_without_program_name = array_shift($argv);
Please provide an equivalent version of this Go code in PHP.
package main import "fmt" func main() { a := []int{1, 2, 3} b := []int{7, 12, 60} c := append(a, b...) fmt.Println(c) i := []interface{}{1, 2, 3} j := []interface{}{"Crosby", "Stills", "Nash", "Young"} k := append(i, j...) fmt.Println(k) l := [...]int{1, 2, 3} m := [...]int{7, 12, 60} var n [len(l) + len(m)]int copy(n[:], l[:]) copy(n[len(l):], m[:]) fmt.Println(n) }
$arr1 = array(1, 2, 3); $arr2 = array(4, 5, 6); $arr3 = array_merge($arr1, $arr2);
Rewrite this program in PHP while keeping its functionality equivalent to the Go version.
package main import "fmt" func main() { a := []int{1, 2, 3} b := []int{7, 12, 60} c := append(a, b...) fmt.Println(c) i := []interface{}{1, 2, 3} j := []interface{}{"Crosby", "Stills", "Nash", "Young"} k := append(i, j...) fmt.Println(k) l := [...]int{1, 2, 3} m := [...]int{7, 12, 60} var n [len(l) + len(m)]int copy(n[:], l[:]) copy(n[len(l):], m[:]) fmt.Println(n) }
$arr1 = array(1, 2, 3); $arr2 = array(4, 5, 6); $arr3 = array_merge($arr1, $arr2);
Ensure the translated PHP code behaves exactly like the original Go snippet.
package main import "fmt" func main() { var s string var i int if _, err := fmt.Scan(&s, &i); err == nil && i == 75000 { fmt.Println("good") } else { fmt.Println("wrong") } }
#!/usr/bin/php <?php $string = fgets(STDIN); $integer = (int) fgets(STDIN);
Keep all operations the same but rewrite the snippet in PHP.
package main import "fmt" func main() { var s string var i int if _, err := fmt.Scan(&s, &i); err == nil && i == 75000 { fmt.Println("good") } else { fmt.Println("wrong") } }
#!/usr/bin/php <?php $string = fgets(STDIN); $integer = (int) fgets(STDIN);
Generate an equivalent PHP version of this Go code.
package main import "fmt" type item struct { string w, v int } var wants = []item{ {"map", 9, 150}, {"compass", 13, 35}, {"water", 153, 200}, {"sandwich", 50, 160}, {"glucose", 15, 60}, {"tin", 68, 45}, {"banana", 27, 60}, {"apple", 39, 40}, {"cheese", 23, 30}, {"beer", 52, 10}, {"suntan cream", 11, 70}, {"camera", 32, 30}, {"T-shirt", 24, 15}, {"trousers", 48, 10}, {"umbrella", 73, 40}, {"waterproof trousers", 42, 70}, {"waterproof overclothes", 43, 75}, {"note-case", 22, 80}, {"sunglasses", 7, 20}, {"towel", 18, 12}, {"socks", 4, 50}, {"book", 30, 10}, } const maxWt = 400 func main() { items, w, v := m(len(wants)-1, maxWt) fmt.Println(items) fmt.Println("weight:", w) fmt.Println("value:", v) } func m(i, w int) ([]string, int, int) { if i < 0 || w == 0 { return nil, 0, 0 } else if wants[i].w > w { return m(i-1, w) } i0, w0, v0 := m(i-1, w) i1, w1, v1 := m(i-1, w-wants[i].w) v1 += wants[i].v if v1 > v0 { return append(i1, wants[i].string), w1 + wants[i].w, v1 } return i0, w0, v0 }
######################################################### # 0-1 Knapsack Problem Solve with memoization optimize and index returns # $w = weight of item # $v = value of item # $i = index # $aW = Available Weight # $m = Memo items array # PHP Translation from Python, Memoization, # and index return functionality added by Brian Berneker # ######################################################### function knapSolveFast2($w, $v, $i, $aW, &$m) { global $numcalls; $numcalls ++; if (isset($m[$i][$aW])) { return array( $m[$i][$aW], $m['picked'][$i][$aW] ); } else { if ($i == 0) { if ($w[$i] <= $aW) { // Will this item fit? $m[$i][$aW] = $v[$i]; // Memo this item $m['picked'][$i][$aW] = array($i); // and the picked item return array($v[$i],array($i)); // Return the value of this item and add it to the picked list } else { $m[$i][$aW] = 0; // Memo zero $m['picked'][$i][$aW] = array(); // and a blank array entry... return array(0,array()); // Return nothing } } list ($without_i, $without_PI) = knapSolveFast2($w, $v, $i-1, $aW, $m); if ($w[$i] > $aW) { // Does it return too many? $m[$i][$aW] = $without_i; // Memo without including this one $m['picked'][$i][$aW] = $without_PI; // and a blank array entry... return array($without_i, $without_PI); // and return it } else { list ($with_i,$with_PI) = knapSolveFast2($w, $v, ($i-1), ($aW - $w[$i]), $m); $with_i += $v[$i]; // ..and add the value of this one.. if ($with_i > $without_i) { $res = $with_i; $picked = $with_PI; array_push($picked,$i); } else { $res = $without_i; $picked = $without_PI; } $m[$i][$aW] = $res; // Store it in the memo $m['picked'][$i][$aW] = $picked; // and store the picked item return array ($res,$picked); // and then return it } } } $items4 = array("map","compass","water","sandwich","glucose","tin","banana","apple","cheese","beer","suntan cream","camera","t-shirt","trousers","umbrella","waterproof trousers","waterproof overclothes","note-case","sunglasses","towel","socks","book"); $w4 = array(9,13,153,50,15,68,27,39,23,52,11,32,24,48,73,42,43,22,7,18,4,30); $v4 = array(150,35,200,160,60,45,60,40,30,10,70,30,15,10,40,70,75,80,20,12,50,10); ## Initialize $numcalls = 0; $m = array(); $pickedItems = array(); ## Solve list ($m4,$pickedItems) = knapSolveFast2($w4, $v4, sizeof($v4) -1, 400, $m); # Display Result echo "<b>Items:</b><br>".join(", ",$items4)."<br>"; echo "<b>Max Value Found:</b><br>$m4 (in $numcalls calls)<br>"; echo "<b>Array Indices:</b><br>".join(",",$pickedItems)."<br>"; echo "<b>Chosen Items:</b><br>"; echo "<table border cellspacing=0>"; echo "<tr><td>Item</td><td>Value</td><td>Weight</td></tr>"; $totalVal = $totalWt = 0; foreach($pickedItems as $key) { $totalVal += $v4[$key]; $totalWt += $w4[$key]; echo "<tr><td>".$items4[$key]."</td><td>".$v4[$key]."</td><td>".$w4[$key]."</td></tr>"; } echo "<tr><td align=right><b>Totals</b></td><td>$totalVal</td><td>$totalWt</td></tr>"; echo "</table><hr>";
Maintain the same structure and functionality when rewriting this code in PHP.
package main import "fmt" type item struct { string w, v int } var wants = []item{ {"map", 9, 150}, {"compass", 13, 35}, {"water", 153, 200}, {"sandwich", 50, 160}, {"glucose", 15, 60}, {"tin", 68, 45}, {"banana", 27, 60}, {"apple", 39, 40}, {"cheese", 23, 30}, {"beer", 52, 10}, {"suntan cream", 11, 70}, {"camera", 32, 30}, {"T-shirt", 24, 15}, {"trousers", 48, 10}, {"umbrella", 73, 40}, {"waterproof trousers", 42, 70}, {"waterproof overclothes", 43, 75}, {"note-case", 22, 80}, {"sunglasses", 7, 20}, {"towel", 18, 12}, {"socks", 4, 50}, {"book", 30, 10}, } const maxWt = 400 func main() { items, w, v := m(len(wants)-1, maxWt) fmt.Println(items) fmt.Println("weight:", w) fmt.Println("value:", v) } func m(i, w int) ([]string, int, int) { if i < 0 || w == 0 { return nil, 0, 0 } else if wants[i].w > w { return m(i-1, w) } i0, w0, v0 := m(i-1, w) i1, w1, v1 := m(i-1, w-wants[i].w) v1 += wants[i].v if v1 > v0 { return append(i1, wants[i].string), w1 + wants[i].w, v1 } return i0, w0, v0 }
######################################################### # 0-1 Knapsack Problem Solve with memoization optimize and index returns # $w = weight of item # $v = value of item # $i = index # $aW = Available Weight # $m = Memo items array # PHP Translation from Python, Memoization, # and index return functionality added by Brian Berneker # ######################################################### function knapSolveFast2($w, $v, $i, $aW, &$m) { global $numcalls; $numcalls ++; if (isset($m[$i][$aW])) { return array( $m[$i][$aW], $m['picked'][$i][$aW] ); } else { if ($i == 0) { if ($w[$i] <= $aW) { // Will this item fit? $m[$i][$aW] = $v[$i]; // Memo this item $m['picked'][$i][$aW] = array($i); // and the picked item return array($v[$i],array($i)); // Return the value of this item and add it to the picked list } else { $m[$i][$aW] = 0; // Memo zero $m['picked'][$i][$aW] = array(); // and a blank array entry... return array(0,array()); // Return nothing } } list ($without_i, $without_PI) = knapSolveFast2($w, $v, $i-1, $aW, $m); if ($w[$i] > $aW) { // Does it return too many? $m[$i][$aW] = $without_i; // Memo without including this one $m['picked'][$i][$aW] = $without_PI; // and a blank array entry... return array($without_i, $without_PI); // and return it } else { list ($with_i,$with_PI) = knapSolveFast2($w, $v, ($i-1), ($aW - $w[$i]), $m); $with_i += $v[$i]; // ..and add the value of this one.. if ($with_i > $without_i) { $res = $with_i; $picked = $with_PI; array_push($picked,$i); } else { $res = $without_i; $picked = $without_PI; } $m[$i][$aW] = $res; // Store it in the memo $m['picked'][$i][$aW] = $picked; // and store the picked item return array ($res,$picked); // and then return it } } } $items4 = array("map","compass","water","sandwich","glucose","tin","banana","apple","cheese","beer","suntan cream","camera","t-shirt","trousers","umbrella","waterproof trousers","waterproof overclothes","note-case","sunglasses","towel","socks","book"); $w4 = array(9,13,153,50,15,68,27,39,23,52,11,32,24,48,73,42,43,22,7,18,4,30); $v4 = array(150,35,200,160,60,45,60,40,30,10,70,30,15,10,40,70,75,80,20,12,50,10); ## Initialize $numcalls = 0; $m = array(); $pickedItems = array(); ## Solve list ($m4,$pickedItems) = knapSolveFast2($w4, $v4, sizeof($v4) -1, 400, $m); # Display Result echo "<b>Items:</b><br>".join(", ",$items4)."<br>"; echo "<b>Max Value Found:</b><br>$m4 (in $numcalls calls)<br>"; echo "<b>Array Indices:</b><br>".join(",",$pickedItems)."<br>"; echo "<b>Chosen Items:</b><br>"; echo "<table border cellspacing=0>"; echo "<tr><td>Item</td><td>Value</td><td>Weight</td></tr>"; $totalVal = $totalWt = 0; foreach($pickedItems as $key) { $totalVal += $v4[$key]; $totalWt += $w4[$key]; echo "<tr><td>".$items4[$key]."</td><td>".$v4[$key]."</td><td>".$w4[$key]."</td></tr>"; } echo "<tr><td align=right><b>Totals</b></td><td>$totalVal</td><td>$totalWt</td></tr>"; echo "</table><hr>";
Convert this Go block to PHP, preserving its control flow and logic.
package main import "math" import "fmt" func cube(x float64) float64 { return math.Pow(x, 3) } type ffType func(float64) float64 func compose(f, g ffType) ffType { return func(x float64) float64 { return f(g(x)) } } func main() { funclist := []ffType{math.Sin, math.Cos, cube} funclisti := []ffType{math.Asin, math.Acos, math.Cbrt} for i := 0; i < 3; i++ { fmt.Println(compose(funclisti[i], funclist[i])(.5)) } }
$compose = function ($f, $g) { return function ($x) use ($f, $g) { return $f($g($x)); }; }; $fn = array('sin', 'cos', function ($x) { return pow($x, 3); }); $inv = array('asin', 'acos', function ($x) { return pow($x, 1/3); }); for ($i = 0; $i < 3; $i++) { $f = $compose($inv[$i], $fn[$i]); echo $f(0.5), PHP_EOL; }
Translate this program into PHP but keep the logic exactly as in Go.
package main import "math" import "fmt" func cube(x float64) float64 { return math.Pow(x, 3) } type ffType func(float64) float64 func compose(f, g ffType) ffType { return func(x float64) float64 { return f(g(x)) } } func main() { funclist := []ffType{math.Sin, math.Cos, cube} funclisti := []ffType{math.Asin, math.Acos, math.Cbrt} for i := 0; i < 3; i++ { fmt.Println(compose(funclisti[i], funclist[i])(.5)) } }
$compose = function ($f, $g) { return function ($x) use ($f, $g) { return $f($g($x)); }; }; $fn = array('sin', 'cos', function ($x) { return pow($x, 3); }); $inv = array('asin', 'acos', function ($x) { return pow($x, 1/3); }); for ($i = 0; $i < 3; $i++) { $f = $compose($inv[$i], $fn[$i]); echo $f(0.5), PHP_EOL; }
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import ( "fmt" "strconv" ) func listProperDivisors(limit int) { if limit < 1 { return } width := len(strconv.Itoa(limit)) for i := 1; i <= limit; i++ { fmt.Printf("%*d -> ", width, i) if i == 1 { fmt.Println("(None)") continue } for j := 1; j <= i/2; j++ { if i%j == 0 { fmt.Printf(" %d", j) } } fmt.Println() } } func countProperDivisors(n int) int { if n < 2 { return 0 } count := 0 for i := 1; i <= n/2; i++ { if n%i == 0 { count++ } } return count } func main() { fmt.Println("The proper divisors of the following numbers are :\n") listProperDivisors(10) fmt.Println() maxCount := 0 most := []int{1} for n := 2; n <= 20000; n++ { count := countProperDivisors(n) if count == maxCount { most = append(most, n) } else if count > maxCount { maxCount = count most = most[0:1] most[0] = n } } fmt.Print("The following number(s) <= 20000 have the most proper divisors, ") fmt.Println("namely", maxCount, "\b\n") for _, n := range most { fmt.Println(n) } }
<?php function ProperDivisors($n) { yield 1; $large_divisors = []; for ($i = 2; $i <= sqrt($n); $i++) { if ($n % $i == 0) { yield $i; if ($i*$i != $n) { $large_divisors[] = $n / $i; } } } foreach (array_reverse($large_divisors) as $i) { yield $i; } } assert([1, 2, 4, 5, 10, 20, 25, 50] == iterator_to_array(ProperDivisors(100))); foreach (range(1, 10) as $n) { echo "$n =>"; foreach (ProperDivisors($n) as $divisor) { echo " $divisor"; } echo "\n"; } $divisorsCount = []; for ($i = 1; $i < 20000; $i++) { $divisorsCount[sizeof(iterator_to_array(ProperDivisors($i)))][] = $i; } ksort($divisorsCount); echo "Numbers with most divisors: ", implode(", ", end($divisorsCount)), ".\n"; echo "They have ", key($divisorsCount), " divisors.\n";
Generate a PHP translation of this Go snippet without changing its computational steps.
package main import ( "fmt" "strconv" ) func listProperDivisors(limit int) { if limit < 1 { return } width := len(strconv.Itoa(limit)) for i := 1; i <= limit; i++ { fmt.Printf("%*d -> ", width, i) if i == 1 { fmt.Println("(None)") continue } for j := 1; j <= i/2; j++ { if i%j == 0 { fmt.Printf(" %d", j) } } fmt.Println() } } func countProperDivisors(n int) int { if n < 2 { return 0 } count := 0 for i := 1; i <= n/2; i++ { if n%i == 0 { count++ } } return count } func main() { fmt.Println("The proper divisors of the following numbers are :\n") listProperDivisors(10) fmt.Println() maxCount := 0 most := []int{1} for n := 2; n <= 20000; n++ { count := countProperDivisors(n) if count == maxCount { most = append(most, n) } else if count > maxCount { maxCount = count most = most[0:1] most[0] = n } } fmt.Print("The following number(s) <= 20000 have the most proper divisors, ") fmt.Println("namely", maxCount, "\b\n") for _, n := range most { fmt.Println(n) } }
<?php function ProperDivisors($n) { yield 1; $large_divisors = []; for ($i = 2; $i <= sqrt($n); $i++) { if ($n % $i == 0) { yield $i; if ($i*$i != $n) { $large_divisors[] = $n / $i; } } } foreach (array_reverse($large_divisors) as $i) { yield $i; } } assert([1, 2, 4, 5, 10, 20, 25, 50] == iterator_to_array(ProperDivisors(100))); foreach (range(1, 10) as $n) { echo "$n =>"; foreach (ProperDivisors($n) as $divisor) { echo " $divisor"; } echo "\n"; } $divisorsCount = []; for ($i = 1; $i < 20000; $i++) { $divisorsCount[sizeof(iterator_to_array(ProperDivisors($i)))][] = $i; } ksort($divisorsCount); echo "Numbers with most divisors: ", implode(", ", end($divisorsCount)), ".\n"; echo "They have ", key($divisorsCount), " divisors.\n";
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import "fmt" import "regexp" func main() { str := "I am the original string" matched, _ := regexp.MatchString(".*string$", str) if matched { fmt.Println("ends with 'string'") } pattern := regexp.MustCompile("original") result := pattern.ReplaceAllString(str, "modified") fmt.Println(result) }
$string = 'I am a string'; # Test if (preg_match('/string$/', $string)) { echo "Ends with 'string'\n"; } # Replace $string = preg_replace('/\ba\b/', 'another', $string); echo "Found 'a' and replace it with 'another', resulting in this string: $string\n";
Write a version of this Go function in PHP with identical behavior.
package main import "fmt" import "regexp" func main() { str := "I am the original string" matched, _ := regexp.MatchString(".*string$", str) if matched { fmt.Println("ends with 'string'") } pattern := regexp.MustCompile("original") result := pattern.ReplaceAllString(str, "modified") fmt.Println(result) }
$string = 'I am a string'; # Test if (preg_match('/string$/', $string)) { echo "Ends with 'string'\n"; } # Replace $string = preg_replace('/\ba\b/', 'another', $string); echo "Found 'a' and replace it with 'another', resulting in this string: $string\n";
Write the same algorithm in PHP as shown in this Go implementation.
package main import "fmt" func main() { keys := []string{"a", "b", "c"} vals := []int{1, 2, 3} hash := map[string]int{} for i, key := range keys { hash[key] = vals[i] } fmt.Println(hash) }
$keys = array('a', 'b', 'c'); $values = array(1, 2, 3); $hash = array_combine($keys, $values);
Maintain the same structure and functionality when rewriting this code in PHP.
package main import "fmt" func main() { keys := []string{"a", "b", "c"} vals := []int{1, 2, 3} hash := map[string]int{} for i, key := range keys { hash[key] = vals[i] } fmt.Println(hash) }
$keys = array('a', 'b', 'c'); $values = array(1, 2, 3); $hash = array_combine($keys, $values);
Convert this Go block to PHP, preserving its control flow and logic.
package main import ( "math" "raster" ) const ( width = 400 height = 300 depth = 8 angle = 12 length = 50 frac = .8 ) func main() { g := raster.NewGrmap(width, height) ftree(g, width/2, height*9/10, length, 0, depth) g.Bitmap().WritePpmFile("ftree.ppm") } func ftree(g *raster.Grmap, x, y, distance, direction float64, depth int) { x2 := x + distance*math.Sin(direction*math.Pi/180) y2 := y - distance*math.Cos(direction*math.Pi/180) g.AaLine(x, y, x2, y2) if depth > 0 { ftree(g, x2, y2, distance*frac, direction-angle, depth-1) ftree(g, x2, y2, distance*frac, direction+angle, depth-1) } }
<?php header("Content-type: image/png"); $width = 512; $height = 512; $img = imagecreatetruecolor($width,$height); $bg = imagecolorallocate($img,255,255,255); imagefilledrectangle($img, 0, 0, $width, $width, $bg); $depth = 8; function drawTree($x1, $y1, $angle, $depth){ global $img; if ($depth != 0){ $x2 = $x1 + (int)(cos(deg2rad($angle)) * $depth * 10.0); $y2 = $y1 + (int)(sin(deg2rad($angle)) * $depth * 10.0); imageline($img, $x1, $y1, $x2, $y2, imagecolorallocate($img,0,0,0)); drawTree($x2, $y2, $angle - 20, $depth - 1); drawTree($x2, $y2, $angle + 20, $depth - 1); } } drawTree($width/2, $height, -90, $depth); imagepng($img); imagedestroy($img); ?>
Write the same algorithm in PHP as shown in this Go implementation.
package main import ( "math" "raster" ) const ( width = 400 height = 300 depth = 8 angle = 12 length = 50 frac = .8 ) func main() { g := raster.NewGrmap(width, height) ftree(g, width/2, height*9/10, length, 0, depth) g.Bitmap().WritePpmFile("ftree.ppm") } func ftree(g *raster.Grmap, x, y, distance, direction float64, depth int) { x2 := x + distance*math.Sin(direction*math.Pi/180) y2 := y - distance*math.Cos(direction*math.Pi/180) g.AaLine(x, y, x2, y2) if depth > 0 { ftree(g, x2, y2, distance*frac, direction-angle, depth-1) ftree(g, x2, y2, distance*frac, direction+angle, depth-1) } }
<?php header("Content-type: image/png"); $width = 512; $height = 512; $img = imagecreatetruecolor($width,$height); $bg = imagecolorallocate($img,255,255,255); imagefilledrectangle($img, 0, 0, $width, $width, $bg); $depth = 8; function drawTree($x1, $y1, $angle, $depth){ global $img; if ($depth != 0){ $x2 = $x1 + (int)(cos(deg2rad($angle)) * $depth * 10.0); $y2 = $y1 + (int)(sin(deg2rad($angle)) * $depth * 10.0); imageline($img, $x1, $y1, $x2, $y2, imagecolorallocate($img,0,0,0)); drawTree($x2, $y2, $angle - 20, $depth - 1); drawTree($x2, $y2, $angle + 20, $depth - 1); } } drawTree($width/2, $height, -90, $depth); imagepng($img); imagedestroy($img); ?>
Translate the given Go code snippet into PHP without altering its behavior.
package main import "fmt" func enc(b int) int { return b ^ b>>1 } func dec(g int) (b int) { for ; g != 0; g >>= 1 { b ^= g } return } func main() { fmt.Println("decimal binary gray decoded") for b := 0; b < 32; b++ { g := enc(b) d := dec(g) fmt.Printf(" %2d %05b %05b %05b %2d\n", b, b, g, d, d) } }
<?php function gray_encode($binary){ return $binary ^ ($binary >> 1); } function gray_decode($gray){ $binary = $gray; while($gray >>= 1) $binary ^= $gray; return $binary; } for($i=0;$i<32;$i++){ $gray_encoded = gray_encode($i); printf("%2d : %05b => %05b => %05b : %2d \n",$i, $i, $gray_encoded, $gray_encoded, gray_decode($gray_encoded)); }
Keep all operations the same but rewrite the snippet in PHP.
package main import "fmt" func enc(b int) int { return b ^ b>>1 } func dec(g int) (b int) { for ; g != 0; g >>= 1 { b ^= g } return } func main() { fmt.Println("decimal binary gray decoded") for b := 0; b < 32; b++ { g := enc(b) d := dec(g) fmt.Printf(" %2d %05b %05b %05b %2d\n", b, b, g, d, d) } }
<?php function gray_encode($binary){ return $binary ^ ($binary >> 1); } function gray_decode($gray){ $binary = $gray; while($gray >>= 1) $binary ^= $gray; return $binary; } for($i=0;$i<32;$i++){ $gray_encoded = gray_encode($i); printf("%2d : %05b => %05b => %05b : %2d \n",$i, $i, $gray_encoded, $gray_encoded, gray_decode($gray_encoded)); }
Translate this program into PHP but keep the logic exactly as in Go.
package main import "fmt" func enc(b int) int { return b ^ b>>1 } func dec(g int) (b int) { for ; g != 0; g >>= 1 { b ^= g } return } func main() { fmt.Println("decimal binary gray decoded") for b := 0; b < 32; b++ { g := enc(b) d := dec(g) fmt.Printf(" %2d %05b %05b %05b %2d\n", b, b, g, d, d) } }
<?php function gray_encode($binary){ return $binary ^ ($binary >> 1); } function gray_decode($gray){ $binary = $gray; while($gray >>= 1) $binary ^= $gray; return $binary; } for($i=0;$i<32;$i++){ $gray_encoded = gray_encode($i); printf("%2d : %05b => %05b => %05b : %2d \n",$i, $i, $gray_encoded, $gray_encoded, gray_decode($gray_encoded)); }
Write a version of this Go function in PHP with identical behavior.
package main import "fmt" func enc(b int) int { return b ^ b>>1 } func dec(g int) (b int) { for ; g != 0; g >>= 1 { b ^= g } return } func main() { fmt.Println("decimal binary gray decoded") for b := 0; b < 32; b++ { g := enc(b) d := dec(g) fmt.Printf(" %2d %05b %05b %05b %2d\n", b, b, g, d, d) } }
<?php function gray_encode($binary){ return $binary ^ ($binary >> 1); } function gray_decode($gray){ $binary = $gray; while($gray >>= 1) $binary ^= $gray; return $binary; } for($i=0;$i<32;$i++){ $gray_encoded = gray_encode($i); printf("%2d : %05b => %05b => %05b : %2d \n",$i, $i, $gray_encoded, $gray_encoded, gray_decode($gray_encoded)); }
Rewrite the snippet below in PHP so it works the same as the original Go code.
package cards import ( "math/rand" ) type Suit uint8 const ( Spade Suit = 3 Heart Suit = 2 Diamond Suit = 1 Club Suit = 0 ) func (s Suit) String() string { const suites = "CDHS" return suites[s : s+1] } type Rank uint8 const ( Ace Rank = 1 Two Rank = 2 Three Rank = 3 Four Rank = 4 Five Rank = 5 Six Rank = 6 Seven Rank = 7 Eight Rank = 8 Nine Rank = 9 Ten Rank = 10 Jack Rank = 11 Queen Rank = 12 King Rank = 13 ) func (r Rank) String() string { const ranks = "A23456789TJQK" return ranks[r-1 : r] } type Card uint8 func NewCard(r Rank, s Suit) Card { return Card(13*uint8(s) + uint8(r-1)) } func (c Card) RankSuit() (Rank, Suit) { return Rank(c%13 + 1), Suit(c / 13) } func (c Card) Rank() Rank { return Rank(c%13 + 1) } func (c Card) Suit() Suit { return Suit(c / 13) } func (c Card) String() string { return c.Rank().String() + c.Suit().String() } type Deck []Card func NewDeck() Deck { d := make(Deck, 52) for i := range d { d[i] = Card(i) } return d } func (d Deck) String() string { s := "" for i, c := range d { switch { case i == 0: case i%13 == 0: s += "\n" default: s += " " } s += c.String() } return s } func (d Deck) Shuffle() { for i := range d { j := rand.Intn(i + 1) d[i], d[j] = d[j], d[i] } } func (d Deck) Contains(tc Card) bool { for _, c := range d { if c == tc { return true } } return false } func (d *Deck) AddDeck(decks ...Deck) { for _, o := range decks { *d = append(*d, o...) } } func (d *Deck) AddCard(c Card) { *d = append(*d, c) } func (d *Deck) Draw(n int) Deck { old := *d *d = old[n:] return old[:n:n] } func (d *Deck) DrawCard() (Card, bool) { if len(*d) == 0 { return 0, false } old := *d *d = old[1:] return old[0], true } func (d *Deck) Deal(cards int, hands ...Deck) ([]Deck, bool) { for i := 0; i < cards; i++ { for j := range hands { if len(*d) == 0 { return hands, false } hands[j] = append(hands[j], (*d)[0]) *d = (*d)[1:] } } return hands, true }
class Card { protected static $suits = array( '♠', '♥', '♦', '♣' ); protected static $pips = array( '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A' ); protected $suit; protected $suitOrder; protected $pip; protected $pipOrder; protected $order; public function __construct( $suit, $pip ) { if( !in_array( $suit, self::$suits ) ) { throw new InvalidArgumentException( 'Invalid suit' ); } if( !in_array( $pip, self::$pips ) ) { throw new InvalidArgumentException( 'Invalid pip' ); } $this->suit = $suit; $this->pip = $pip; } public function getSuit() { return $this->suit; } public function getPip() { return $this->pip; } public function getSuitOrder() { if( !isset( $this->suitOrder ) ) { $this->suitOrder = array_search( $this->suit, self::$suits ); } return $this->suitOrder; } public function getPipOrder() { if( !isset( $this->pipOrder ) ) { $this->pipOrder = array_search( $this->pip, self::$pips ); } return $this->pipOrder; } public function getOrder() { if( !isset( $this->order ) ) { $suitOrder = $this->getSuitOrder(); $pipOrder = $this->getPipOrder(); $this->order = $pipOrder * count( self::$suits ) + $suitOrder; } return $this->order; } public function compareSuit( Card $other ) { return $this->getSuitOrder() - $other->getSuitOrder(); } public function comparePip( Card $other ) { return $this->getPipOrder() - $other->getPipOrder(); } public function compare( Card $other ) { return $this->getOrder() - $other->getOrder(); } public function __toString() { return $this->suit . $this->pip; } public static function getSuits() { return self::$suits; } public static function getPips() { return self::$pips; } } class CardCollection implements Countable, Iterator { protected $cards = array(); protected function __construct( array $cards = array() ) { foreach( $cards as $card ) { $this->addCard( $card ); } } public function count() { return count( $this->cards ); } public function key() { return key( $this->cards ); } public function valid() { return null !== $this->key(); } public function next() { next( $this->cards ); } public function current() { return current( $this->cards ); } public function rewind() { reset( $this->cards ); } public function sort( $comparer = null ) { $comparer = $comparer ?: function( $a, $b ) { return $a->compare( $b ); }; if( !is_callable( $comparer ) ) { throw new InvalidArgumentException( 'Invalid comparer; comparer should be callable' ); } usort( $this->cards, $comparer ); return $this; } public function toString() { return implode( ' ', $this->cards ); } public function __toString() { return $this->toString(); } protected function addCard( Card $card ) { if( in_array( $card, $this->cards ) ) { throw new DomainException( 'Card is already present in this collection' ); } $this->cards[] = $card; } } class Deck extends CardCollection { public function __construct( $shuffled = false ) { foreach( Card::getSuits() as $suit ) { foreach( Card::getPips() as $pip ) { $this->addCard( new Card( $suit, $pip ) ); } } if( $shuffled ) { $this->shuffle(); } } public function deal( $amount = 1, CardCollection $cardCollection = null ) { if( !is_int( $amount ) || $amount < 1 ) { throw new InvalidArgumentException( 'Invalid amount; amount should be an integer, larger than 0' ); } if( $amount > count( $this->cards ) ) { throw new RangeException( 'Invalid amount; requested amount is larger than the amount of available cards' ); } $cards = array_splice( $this->cards, 0, $amount ); $cardCollection = $cardCollection ?: new CardCollection; foreach( $cards as $card ) { $cardCollection->addCard( $card ); } return $cardCollection; } public function shuffle() { shuffle( $this->cards ); } } class Hand extends CardCollection { public function __construct() {} public function play( $position ) { if( !isset( $this->cards[ $position ] ) ) { throw new OutOfBoundsException( 'Invalid position; position is not present in this hand' ); } $result = array_splice( $this->cards, $position, 1 ); return $result[ 0 ]; } }
Keep all operations the same but rewrite the snippet in PHP.
package cards import ( "math/rand" ) type Suit uint8 const ( Spade Suit = 3 Heart Suit = 2 Diamond Suit = 1 Club Suit = 0 ) func (s Suit) String() string { const suites = "CDHS" return suites[s : s+1] } type Rank uint8 const ( Ace Rank = 1 Two Rank = 2 Three Rank = 3 Four Rank = 4 Five Rank = 5 Six Rank = 6 Seven Rank = 7 Eight Rank = 8 Nine Rank = 9 Ten Rank = 10 Jack Rank = 11 Queen Rank = 12 King Rank = 13 ) func (r Rank) String() string { const ranks = "A23456789TJQK" return ranks[r-1 : r] } type Card uint8 func NewCard(r Rank, s Suit) Card { return Card(13*uint8(s) + uint8(r-1)) } func (c Card) RankSuit() (Rank, Suit) { return Rank(c%13 + 1), Suit(c / 13) } func (c Card) Rank() Rank { return Rank(c%13 + 1) } func (c Card) Suit() Suit { return Suit(c / 13) } func (c Card) String() string { return c.Rank().String() + c.Suit().String() } type Deck []Card func NewDeck() Deck { d := make(Deck, 52) for i := range d { d[i] = Card(i) } return d } func (d Deck) String() string { s := "" for i, c := range d { switch { case i == 0: case i%13 == 0: s += "\n" default: s += " " } s += c.String() } return s } func (d Deck) Shuffle() { for i := range d { j := rand.Intn(i + 1) d[i], d[j] = d[j], d[i] } } func (d Deck) Contains(tc Card) bool { for _, c := range d { if c == tc { return true } } return false } func (d *Deck) AddDeck(decks ...Deck) { for _, o := range decks { *d = append(*d, o...) } } func (d *Deck) AddCard(c Card) { *d = append(*d, c) } func (d *Deck) Draw(n int) Deck { old := *d *d = old[n:] return old[:n:n] } func (d *Deck) DrawCard() (Card, bool) { if len(*d) == 0 { return 0, false } old := *d *d = old[1:] return old[0], true } func (d *Deck) Deal(cards int, hands ...Deck) ([]Deck, bool) { for i := 0; i < cards; i++ { for j := range hands { if len(*d) == 0 { return hands, false } hands[j] = append(hands[j], (*d)[0]) *d = (*d)[1:] } } return hands, true }
class Card { protected static $suits = array( '♠', '♥', '♦', '♣' ); protected static $pips = array( '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A' ); protected $suit; protected $suitOrder; protected $pip; protected $pipOrder; protected $order; public function __construct( $suit, $pip ) { if( !in_array( $suit, self::$suits ) ) { throw new InvalidArgumentException( 'Invalid suit' ); } if( !in_array( $pip, self::$pips ) ) { throw new InvalidArgumentException( 'Invalid pip' ); } $this->suit = $suit; $this->pip = $pip; } public function getSuit() { return $this->suit; } public function getPip() { return $this->pip; } public function getSuitOrder() { if( !isset( $this->suitOrder ) ) { $this->suitOrder = array_search( $this->suit, self::$suits ); } return $this->suitOrder; } public function getPipOrder() { if( !isset( $this->pipOrder ) ) { $this->pipOrder = array_search( $this->pip, self::$pips ); } return $this->pipOrder; } public function getOrder() { if( !isset( $this->order ) ) { $suitOrder = $this->getSuitOrder(); $pipOrder = $this->getPipOrder(); $this->order = $pipOrder * count( self::$suits ) + $suitOrder; } return $this->order; } public function compareSuit( Card $other ) { return $this->getSuitOrder() - $other->getSuitOrder(); } public function comparePip( Card $other ) { return $this->getPipOrder() - $other->getPipOrder(); } public function compare( Card $other ) { return $this->getOrder() - $other->getOrder(); } public function __toString() { return $this->suit . $this->pip; } public static function getSuits() { return self::$suits; } public static function getPips() { return self::$pips; } } class CardCollection implements Countable, Iterator { protected $cards = array(); protected function __construct( array $cards = array() ) { foreach( $cards as $card ) { $this->addCard( $card ); } } public function count() { return count( $this->cards ); } public function key() { return key( $this->cards ); } public function valid() { return null !== $this->key(); } public function next() { next( $this->cards ); } public function current() { return current( $this->cards ); } public function rewind() { reset( $this->cards ); } public function sort( $comparer = null ) { $comparer = $comparer ?: function( $a, $b ) { return $a->compare( $b ); }; if( !is_callable( $comparer ) ) { throw new InvalidArgumentException( 'Invalid comparer; comparer should be callable' ); } usort( $this->cards, $comparer ); return $this; } public function toString() { return implode( ' ', $this->cards ); } public function __toString() { return $this->toString(); } protected function addCard( Card $card ) { if( in_array( $card, $this->cards ) ) { throw new DomainException( 'Card is already present in this collection' ); } $this->cards[] = $card; } } class Deck extends CardCollection { public function __construct( $shuffled = false ) { foreach( Card::getSuits() as $suit ) { foreach( Card::getPips() as $pip ) { $this->addCard( new Card( $suit, $pip ) ); } } if( $shuffled ) { $this->shuffle(); } } public function deal( $amount = 1, CardCollection $cardCollection = null ) { if( !is_int( $amount ) || $amount < 1 ) { throw new InvalidArgumentException( 'Invalid amount; amount should be an integer, larger than 0' ); } if( $amount > count( $this->cards ) ) { throw new RangeException( 'Invalid amount; requested amount is larger than the amount of available cards' ); } $cards = array_splice( $this->cards, 0, $amount ); $cardCollection = $cardCollection ?: new CardCollection; foreach( $cards as $card ) { $cardCollection->addCard( $card ); } return $cardCollection; } public function shuffle() { shuffle( $this->cards ); } } class Hand extends CardCollection { public function __construct() {} public function play( $position ) { if( !isset( $this->cards[ $position ] ) ) { throw new OutOfBoundsException( 'Invalid position; position is not present in this hand' ); } $result = array_splice( $this->cards, $position, 1 ); return $result[ 0 ]; } }
Convert the following code from Go to PHP, ensuring the logic remains intact.
package main import ( "fmt" ) func main() { var a [5]int fmt.Println("len(a) =", len(a)) fmt.Println("a =", a) a[0] = 3 fmt.Println("a =", a) fmt.Println("a[0] =", a[0]) s := a[:4] fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) s = s[:5] fmt.Println("s =", s) a[0] = 22 fmt.Println("a =", a) fmt.Println("s =", s) s = append(s, 4, 5, 6) fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) a[4] = -1 fmt.Println("a =", a) fmt.Println("s =", s) s = make([]int, 8) fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) }
$NumberArray = array(0, 1, 2, 3, 4, 5, 6); $LetterArray = array("a", "b", "c", "d", "e", "f"); $simpleForm = ['apple', 'orange'];
Convert this Go block to PHP, preserving its control flow and logic.
package main import ( "fmt" ) func main() { var a [5]int fmt.Println("len(a) =", len(a)) fmt.Println("a =", a) a[0] = 3 fmt.Println("a =", a) fmt.Println("a[0] =", a[0]) s := a[:4] fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) s = s[:5] fmt.Println("s =", s) a[0] = 22 fmt.Println("a =", a) fmt.Println("s =", s) s = append(s, 4, 5, 6) fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) a[4] = -1 fmt.Println("a =", a) fmt.Println("s =", s) s = make([]int, 8) fmt.Println("s =", s) fmt.Println("len(s) =", len(s), " cap(s) =", cap(s)) }
$NumberArray = array(0, 1, 2, 3, 4, 5, 6); $LetterArray = array("a", "b", "c", "d", "e", "f"); $simpleForm = ['apple', 'orange'];
Convert this Go block to PHP, preserving its control flow and logic.
package main import ( "fmt" "strings" "unicode/utf8" ) var order = 3 var grain = "#" func main() { carpet := []string{grain} for ; order > 0; order-- { hole := strings.Repeat(" ", utf8.RuneCountInString(carpet[0])) middle := make([]string, len(carpet)) for i, s := range carpet { middle[i] = s + hole + s carpet[i] = strings.Repeat(s, 3) } carpet = append(append(carpet, middle...), carpet...) } for _, r := range carpet { fmt.Println(r) } }
<?php function isSierpinskiCarpetPixelFilled($x, $y) { while (($x > 0) or ($y > 0)) { if (($x % 3 == 1) and ($y % 3 == 1)) { return false; } $x /= 3; $y /= 3; } return true; } function sierpinskiCarpet($order) { $size = pow(3, $order); for ($y = 0 ; $y < $size ; $y++) { for ($x = 0 ; $x < $size ; $x++) { echo isSierpinskiCarpetPixelFilled($x, $y) ? '#' : ' '; } echo PHP_EOL; } } for ($order = 0 ; $order <= 3 ; $order++) { echo 'N=', $order, PHP_EOL; sierpinskiCarpet($order); echo PHP_EOL; }
Preserve the algorithm and functionality while converting the code from Go to PHP.
package main import ( "fmt" "strings" "unicode/utf8" ) var order = 3 var grain = "#" func main() { carpet := []string{grain} for ; order > 0; order-- { hole := strings.Repeat(" ", utf8.RuneCountInString(carpet[0])) middle := make([]string, len(carpet)) for i, s := range carpet { middle[i] = s + hole + s carpet[i] = strings.Repeat(s, 3) } carpet = append(append(carpet, middle...), carpet...) } for _, r := range carpet { fmt.Println(r) } }
<?php function isSierpinskiCarpetPixelFilled($x, $y) { while (($x > 0) or ($y > 0)) { if (($x % 3 == 1) and ($y % 3 == 1)) { return false; } $x /= 3; $y /= 3; } return true; } function sierpinskiCarpet($order) { $size = pow(3, $order); for ($y = 0 ; $y < $size ; $y++) { for ($x = 0 ; $x < $size ; $x++) { echo isSierpinskiCarpetPixelFilled($x, $y) ? '#' : ' '; } echo PHP_EOL; } } for ($order = 0 ; $order <= 3 ; $order++) { echo 'N=', $order, PHP_EOL; sierpinskiCarpet($order); echo PHP_EOL; }
Change the following Go code into PHP without altering its purpose.
package main import ( "fmt" "math/rand" "sort" "time" ) func main() { list := []int{31, 41, 59, 26, 53, 58, 97, 93, 23, 84} rand.Seed(time.Now().UnixNano()) fmt.Println("unsorted:", list) temp := make([]int, len(list)) copy(temp, list) for !sort.IntsAreSorted(temp) { for i, v := range rand.Perm(len(list)) { temp[i] = list[v] } } fmt.Println("sorted! ", temp) }
function bogosort($l) { while (!in_order($l)) shuffle($l); return $l; } function in_order($l) { for ($i = 1; $i < count($l); $i++) if ($l[$i] < $l[$i-1]) return FALSE; return TRUE; }
Preserve the algorithm and functionality while converting the code from Go to PHP.
package main import ( "fmt" "math/rand" "sort" "time" ) func main() { list := []int{31, 41, 59, 26, 53, 58, 97, 93, 23, 84} rand.Seed(time.Now().UnixNano()) fmt.Println("unsorted:", list) temp := make([]int, len(list)) copy(temp, list) for !sort.IntsAreSorted(temp) { for i, v := range rand.Perm(len(list)) { temp[i] = list[v] } } fmt.Println("sorted! ", temp) }
function bogosort($l) { while (!in_order($l)) shuffle($l); return $l; } function in_order($l) { for ($i = 1; $i < count($l); $i++) if ($l[$i] < $l[$i-1]) return FALSE; return TRUE; }
Generate a PHP translation of this Go snippet without changing its computational steps.
package main import ( "fmt" "math" ) func remarkable(n int) int { return n + int(.5+math.Sqrt(float64(n))) } func main() { fmt.Println(" n r(n)") fmt.Println("--- ---") for n := 1; n <= 22; n++ { fmt.Printf("%3d %3d\n", n, remarkable(n)) } const limit = 1e6 fmt.Println("\nChecking for squares for n <", limit) next := 2 nextSq := 4 for n := 1; n < limit; n++ { r := remarkable(n) switch { case r == nextSq: panic(n) case r > nextSq: fmt.Println(nextSq, "didn't occur") next++ nextSq = next * next } } fmt.Println("No squares occur for n <", limit) }
<?php for($i=1;$i<=22;$i++){ echo($i + floor(1/2 + sqrt($i)) . "\n"); } $found_square=False; for($i=1;$i<=1000000;$i++){ $non_square=$i + floor(1/2 + sqrt($i)); if(sqrt($non_square)==intval(sqrt($non_square))){ $found_square=True; } } echo("\n"); if($found_square){ echo("Found a square number, so the formula does not always work."); } else { echo("Up to 1000000, found no square number in the sequence!"); } ?>
Convert the following code from Go to PHP, ensuring the logic remains intact.
package main import ( "fmt" "math" ) func remarkable(n int) int { return n + int(.5+math.Sqrt(float64(n))) } func main() { fmt.Println(" n r(n)") fmt.Println("--- ---") for n := 1; n <= 22; n++ { fmt.Printf("%3d %3d\n", n, remarkable(n)) } const limit = 1e6 fmt.Println("\nChecking for squares for n <", limit) next := 2 nextSq := 4 for n := 1; n < limit; n++ { r := remarkable(n) switch { case r == nextSq: panic(n) case r > nextSq: fmt.Println(nextSq, "didn't occur") next++ nextSq = next * next } } fmt.Println("No squares occur for n <", limit) }
<?php for($i=1;$i<=22;$i++){ echo($i + floor(1/2 + sqrt($i)) . "\n"); } $found_square=False; for($i=1;$i<=1000000;$i++){ $non_square=$i + floor(1/2 + sqrt($i)); if(sqrt($non_square)==intval(sqrt($non_square))){ $found_square=True; } } echo("\n"); if($found_square){ echo("Found a square number, so the formula does not always work."); } else { echo("Up to 1000000, found no square number in the sequence!"); } ?>
Produce a language-to-language conversion: from Go to PHP, same semantics.
package main import ( "fmt" "strings" ) func main() { s := "ABCDEFGH" n, m := 2, 3 fmt.Println("Index: ", "01234567") fmt.Println("String:", s) fmt.Printf("Start %d, length %d: %s\n", n, m, s[n : n+m]) fmt.Printf("Start %d, to end: %s\n", n, s[n:]) fmt.Printf("All but last: %s\n", s[:len(s)-1]) dx := strings.IndexByte(s, 'D') fmt.Printf("Start 'D', length %d: %s\n", m, s[dx : dx+m]) sx := strings.Index(s, "DE") fmt.Printf(`Start "DE", length %d: %s`+"\n", m, s[sx : sx+m]) }
<?php $str = 'abcdefgh'; $n = 2; $m = 3; echo substr($str, $n, $m), "\n"; //cde echo substr($str, $n), "\n"; //cdefgh echo substr($str, 0, -1), "\n"; //abcdefg echo substr($str, strpos($str, 'd'), $m), "\n"; //def echo substr($str, strpos($str, 'de'), $m), "\n"; //def ?>
Translate this program into PHP but keep the logic exactly as in Go.
package main import ( "fmt" "strings" ) func main() { s := "ABCDEFGH" n, m := 2, 3 fmt.Println("Index: ", "01234567") fmt.Println("String:", s) fmt.Printf("Start %d, length %d: %s\n", n, m, s[n : n+m]) fmt.Printf("Start %d, to end: %s\n", n, s[n:]) fmt.Printf("All but last: %s\n", s[:len(s)-1]) dx := strings.IndexByte(s, 'D') fmt.Printf("Start 'D', length %d: %s\n", m, s[dx : dx+m]) sx := strings.Index(s, "DE") fmt.Printf(`Start "DE", length %d: %s`+"\n", m, s[sx : sx+m]) }
<?php $str = 'abcdefgh'; $n = 2; $m = 3; echo substr($str, $n, $m), "\n"; //cde echo substr($str, $n), "\n"; //cdefgh echo substr($str, 0, -1), "\n"; //abcdefg echo substr($str, strpos($str, 'd'), $m), "\n"; //def echo substr($str, strpos($str, 'de'), $m), "\n"; //def ?>
Keep all operations the same but rewrite the snippet in PHP.
func isLeap(year int) bool { return year%400 == 0 || year%4 == 0 && year%100 != 0 }
<?php function isLeapYear($year) { if ($year % 100 == 0) { return ($year % 400 == 0); } return ($year % 4 == 0); }
Rewrite this program in PHP while keeping its functionality equivalent to the Go version.
func isLeap(year int) bool { return year%400 == 0 || year%4 == 0 && year%100 != 0 }
<?php function isLeapYear($year) { if ($year % 100 == 0) { return ($year % 400 == 0); } return ($year % 4 == 0); }
Ensure the translated PHP code behaves exactly like the original Go snippet.
package main import "fmt" func main() { for _, n := range []int64{12, 1048576, 9e18, -2, 0} { fmt.Println(say(n)) } } var small = [...]string{"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"} var tens = [...]string{"", "", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"} var illions = [...]string{"", " thousand", " million", " billion", " trillion", " quadrillion", " quintillion"} func say(n int64) string { var t string if n < 0 { t = "negative " n = -n } switch { case n < 20: t += small[n] case n < 100: t += tens[n/10] s := n % 10 if s > 0 { t += "-" + small[s] } case n < 1000: t += small[n/100] + " hundred" s := n % 100 if s > 0 { t += " " + say(s) } default: sx := "" for i := 0; n > 0; i++ { p := n % 1000 n /= 1000 if p > 0 { ix := say(p) + illions[i] if sx != "" { ix += " " + sx } sx = ix } } t += sx } return t }
$orderOfMag = array('Hundred', 'Thousand,', 'Million,', 'Billion,', 'Trillion,'); $smallNumbers = array('Zero', 'One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine', 'Ten', 'Eleven', 'Twelve', 'Thirteen', 'Fourteen', 'Fifteen', 'Sixteen', 'Seventeen', 'Eighteen', 'Nineteen'); $decades = array('', '', 'Twenty', 'Thirty', 'Forty', 'Fifty', 'Sixty', 'Seventy', 'Eighty', 'Ninety'); function NumberToEnglish($num, $count = 0){ global $orderOfMag, $smallNumbers, $decades; $isLast = true; $str = ''; if ($num < 0){ $str = 'Negative '; $num = abs($num); } (int) $thisPart = substr((string) $num, -3); if (strlen((string) $num) > 3){ $str .= NumberToEnglish((int) substr((string) $num, 0, strlen((string) $num) - 3), $count + 1); $isLast = false; } if (($count == 0 || $isLast) && ($str == '' || $str == 'Negative ')) $and = ''; else $and = ' and '; if ($thisPart > 99){ $str .= ($isLast ? '' : ' ') . "{$smallNumbers[$thisPart/100]} {$orderOfMag[0]}"; if(($thisPart %= 100) == 0){ $str .= " {$orderOfMag[$count]}"; return $str; } $and = ' and '; // Set up our and string to the word "and" since there is something in the hundreds place of this chunk } if ($thisPart >= 20){ $str .= "{$and}{$decades[$thisPart /10]}"; $and = ' '; // Make sure we don't have any extranious "and"s if(($thisPart %= 10) == 0) return $str . ($count != 0 ? " {$orderOfMag[$count]}" : ''); } if ($thisPart < 20 && $thisPart > 0) return $str . "{$and}{$smallNumbers[(int) $thisPart]} " . ($count != 0 ? $orderOfMag[$count] : ''); elseif ($thisPart == 0 && strlen($thisPart) == 1) return $str . "{$smallNumbers[(int)$thisPart]}"; }
Keep all operations the same but rewrite the snippet in PHP.
package main import "fmt" func main() { for _, n := range []int64{12, 1048576, 9e18, -2, 0} { fmt.Println(say(n)) } } var small = [...]string{"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"} var tens = [...]string{"", "", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"} var illions = [...]string{"", " thousand", " million", " billion", " trillion", " quadrillion", " quintillion"} func say(n int64) string { var t string if n < 0 { t = "negative " n = -n } switch { case n < 20: t += small[n] case n < 100: t += tens[n/10] s := n % 10 if s > 0 { t += "-" + small[s] } case n < 1000: t += small[n/100] + " hundred" s := n % 100 if s > 0 { t += " " + say(s) } default: sx := "" for i := 0; n > 0; i++ { p := n % 1000 n /= 1000 if p > 0 { ix := say(p) + illions[i] if sx != "" { ix += " " + sx } sx = ix } } t += sx } return t }
$orderOfMag = array('Hundred', 'Thousand,', 'Million,', 'Billion,', 'Trillion,'); $smallNumbers = array('Zero', 'One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine', 'Ten', 'Eleven', 'Twelve', 'Thirteen', 'Fourteen', 'Fifteen', 'Sixteen', 'Seventeen', 'Eighteen', 'Nineteen'); $decades = array('', '', 'Twenty', 'Thirty', 'Forty', 'Fifty', 'Sixty', 'Seventy', 'Eighty', 'Ninety'); function NumberToEnglish($num, $count = 0){ global $orderOfMag, $smallNumbers, $decades; $isLast = true; $str = ''; if ($num < 0){ $str = 'Negative '; $num = abs($num); } (int) $thisPart = substr((string) $num, -3); if (strlen((string) $num) > 3){ $str .= NumberToEnglish((int) substr((string) $num, 0, strlen((string) $num) - 3), $count + 1); $isLast = false; } if (($count == 0 || $isLast) && ($str == '' || $str == 'Negative ')) $and = ''; else $and = ' and '; if ($thisPart > 99){ $str .= ($isLast ? '' : ' ') . "{$smallNumbers[$thisPart/100]} {$orderOfMag[0]}"; if(($thisPart %= 100) == 0){ $str .= " {$orderOfMag[$count]}"; return $str; } $and = ' and '; // Set up our and string to the word "and" since there is something in the hundreds place of this chunk } if ($thisPart >= 20){ $str .= "{$and}{$decades[$thisPart /10]}"; $and = ' '; // Make sure we don't have any extranious "and"s if(($thisPart %= 10) == 0) return $str . ($count != 0 ? " {$orderOfMag[$count]}" : ''); } if ($thisPart < 20 && $thisPart > 0) return $str . "{$and}{$smallNumbers[(int) $thisPart]} " . ($count != 0 ? $orderOfMag[$count] : ''); elseif ($thisPart == 0 && strlen($thisPart) == 1) return $str . "{$smallNumbers[(int)$thisPart]}"; }
Write the same algorithm in PHP as shown in this Go implementation.
package main import ( "fmt" "os" "sort" ) func main() { if len(os.Args) == 1 { compareStrings("abcd", "123456789", "abcdef", "1234567") } else { strings := os.Args[1:] compareStrings(strings...) } } func compareStrings(strings ...string) { sort.SliceStable(strings, func(i, j int) bool { return len(strings[i]) > len(strings[j]) }) for _, s := range strings { fmt.Printf("%d: %s\n", len(s), s) } }
<?php function retrieveStrings() { if (isset($_POST['input'])) { $strings = explode("\n", $_POST['input']); } else { $strings = ['abcd', '123456789', 'abcdef', '1234567']; } return $strings; } function setInput() { echo join("\n", retrieveStrings()); } function setOutput() { $strings = retrieveStrings(); $strings = array_map('trim', $strings); $strings = array_filter($strings); if (!empty($strings)) { usort($strings, function ($a, $b) { return strlen($b) - strlen($a); }); $max_len = strlen($strings[0]); $min_len = strlen($strings[count($strings) - 1]); foreach ($strings as $s) { $length = strlen($s); if ($length == $max_len) { $predicate = "is the longest string"; } elseif ($length == $min_len) { $predicate = "is the shortest string"; } else { $predicate = "is neither the longest nor the shortest string"; } echo "$s has length $length and $predicate\n"; } } } ?> <!DOCTYPE html> <html lang="en"> <head> <style> div { margin-top: 4ch; margin-bottom: 4ch; } label { display: block; margin-bottom: 1ch; } textarea { display: block; } input { display: block; margin-top: 4ch; margin-bottom: 4ch; } </style> </head> <body> <main> <form action=<?php echo $_SERVER['SCRIPT_NAME'] ?> method="post" accept-charset="utf-8"> <div> <label for="input">Input: </label> <textarea rows='20' cols='80' name='input'><?php setInput(); ?></textarea> </label> </div> <input type="submit" value="press to compare strings"> </input> <div> <label for="Output">Output: </label> <textarea rows='20' cols='80' name='output'><?php setOutput(); ?></textarea> </div> </form> </main> </body> </html>
Keep all operations the same but rewrite the snippet in PHP.
package main import ( "fmt" "os" "sort" ) func main() { if len(os.Args) == 1 { compareStrings("abcd", "123456789", "abcdef", "1234567") } else { strings := os.Args[1:] compareStrings(strings...) } } func compareStrings(strings ...string) { sort.SliceStable(strings, func(i, j int) bool { return len(strings[i]) > len(strings[j]) }) for _, s := range strings { fmt.Printf("%d: %s\n", len(s), s) } }
<?php function retrieveStrings() { if (isset($_POST['input'])) { $strings = explode("\n", $_POST['input']); } else { $strings = ['abcd', '123456789', 'abcdef', '1234567']; } return $strings; } function setInput() { echo join("\n", retrieveStrings()); } function setOutput() { $strings = retrieveStrings(); $strings = array_map('trim', $strings); $strings = array_filter($strings); if (!empty($strings)) { usort($strings, function ($a, $b) { return strlen($b) - strlen($a); }); $max_len = strlen($strings[0]); $min_len = strlen($strings[count($strings) - 1]); foreach ($strings as $s) { $length = strlen($s); if ($length == $max_len) { $predicate = "is the longest string"; } elseif ($length == $min_len) { $predicate = "is the shortest string"; } else { $predicate = "is neither the longest nor the shortest string"; } echo "$s has length $length and $predicate\n"; } } } ?> <!DOCTYPE html> <html lang="en"> <head> <style> div { margin-top: 4ch; margin-bottom: 4ch; } label { display: block; margin-bottom: 1ch; } textarea { display: block; } input { display: block; margin-top: 4ch; margin-bottom: 4ch; } </style> </head> <body> <main> <form action=<?php echo $_SERVER['SCRIPT_NAME'] ?> method="post" accept-charset="utf-8"> <div> <label for="input">Input: </label> <textarea rows='20' cols='80' name='input'><?php setInput(); ?></textarea> </label> </div> <input type="submit" value="press to compare strings"> </input> <div> <label for="Output">Output: </label> <textarea rows='20' cols='80' name='output'><?php setOutput(); ?></textarea> </div> </form> </main> </body> </html>
Preserve the algorithm and functionality while converting the code from Go to PHP.
package main import "fmt" var a = []int{170, 45, 75, -90, -802, 24, 2, 66} func main() { fmt.Println("before:", a) for inc := len(a) / 2; inc > 0; inc = (inc + 1) * 5 / 11 { for i := inc; i < len(a); i++ { j, temp := i, a[i] for ; j >= inc && a[j-inc] > temp; j -= inc { a[j] = a[j-inc] } a[j] = temp } } fmt.Println("after: ", a) }
function shellSort($arr) { $inc = round(count($arr)/2); while($inc > 0) { for($i = $inc; $i < count($arr);$i++){ $temp = $arr[$i]; $j = $i; while($j >= $inc && $arr[$j-$inc] > $temp) { $arr[$j] = $arr[$j - $inc]; $j -= $inc; } $arr[$j] = $temp; } $inc = round($inc/2.2); } return $arr; }
Produce a functionally identical PHP code for the snippet given in Go.
package main import "fmt" var a = []int{170, 45, 75, -90, -802, 24, 2, 66} func main() { fmt.Println("before:", a) for inc := len(a) / 2; inc > 0; inc = (inc + 1) * 5 / 11 { for i := inc; i < len(a); i++ { j, temp := i, a[i] for ; j >= inc && a[j-inc] > temp; j -= inc { a[j] = a[j-inc] } a[j] = temp } } fmt.Println("after: ", a) }
function shellSort($arr) { $inc = round(count($arr)/2); while($inc > 0) { for($i = $inc; $i < count($arr);$i++){ $temp = $arr[$i]; $j = $i; while($j >= $inc && $arr[$j-$inc] > $temp) { $arr[$j] = $arr[$j - $inc]; $j -= $inc; } $arr[$j] = $temp; } $inc = round($inc/2.2); } return $arr; }
Keep all operations the same but rewrite the snippet in PHP.
package main import ( "fmt" "io/ioutil" "sort" "unicode" ) const file = "unixdict.txt" func main() { bs, err := ioutil.ReadFile(file) if err != nil { fmt.Println(err) return } m := make(map[rune]int) for _, r := range string(bs) { m[r]++ } lfs := make(lfList, 0, len(m)) for l, f := range m { lfs = append(lfs, &letterFreq{l, f}) } sort.Sort(lfs) fmt.Println("file:", file) fmt.Println("letter frequency") for _, lf := range lfs { if unicode.IsGraphic(lf.rune) { fmt.Printf(" %c %7d\n", lf.rune, lf.freq) } else { fmt.Printf("%U %7d\n", lf.rune, lf.freq) } } } type letterFreq struct { rune freq int } type lfList []*letterFreq func (lfs lfList) Len() int { return len(lfs) } func (lfs lfList) Less(i, j int) bool { switch fd := lfs[i].freq - lfs[j].freq; { case fd < 0: return false case fd > 0: return true } return lfs[i].rune < lfs[j].rune } func (lfs lfList) Swap(i, j int) { lfs[i], lfs[j] = lfs[j], lfs[i] }
<?php print_r(array_count_values(str_split(file_get_contents($argv[1])))); ?>
Convert the following code from Go to PHP, ensuring the logic remains intact.
package main import ( "fmt" "io/ioutil" "sort" "unicode" ) const file = "unixdict.txt" func main() { bs, err := ioutil.ReadFile(file) if err != nil { fmt.Println(err) return } m := make(map[rune]int) for _, r := range string(bs) { m[r]++ } lfs := make(lfList, 0, len(m)) for l, f := range m { lfs = append(lfs, &letterFreq{l, f}) } sort.Sort(lfs) fmt.Println("file:", file) fmt.Println("letter frequency") for _, lf := range lfs { if unicode.IsGraphic(lf.rune) { fmt.Printf(" %c %7d\n", lf.rune, lf.freq) } else { fmt.Printf("%U %7d\n", lf.rune, lf.freq) } } } type letterFreq struct { rune freq int } type lfList []*letterFreq func (lfs lfList) Len() int { return len(lfs) } func (lfs lfList) Less(i, j int) bool { switch fd := lfs[i].freq - lfs[j].freq; { case fd < 0: return false case fd > 0: return true } return lfs[i].rune < lfs[j].rune } func (lfs lfList) Swap(i, j int) { lfs[i], lfs[j] = lfs[j], lfs[i] }
<?php print_r(array_count_values(str_split(file_get_contents($argv[1])))); ?>
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import "fmt" import "strconv" func main() { i, _ := strconv.Atoi("1234") fmt.Println(strconv.Itoa(i + 1)) }
$s = "12345"; $s++;
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import "fmt" import "strconv" func main() { i, _ := strconv.Atoi("1234") fmt.Println(strconv.Itoa(i + 1)) }
$s = "12345"; $s++;
Port the following code from Go to PHP with equivalent syntax and logic.
package main import ( "fmt" "strings" ) func stripchars(str, chr string) string { return strings.Map(func(r rune) rune { if strings.IndexRune(chr, r) < 0 { return r } return -1 }, str) } func main() { fmt.Println(stripchars("She was a soul stripper. She took my heart!", "aei")) }
<?php function stripchars($s, $chars) { return str_replace(str_split($chars), "", $s); } echo stripchars("She was a soul stripper. She took my heart!", "aei"), "\n"; ?>
Keep all operations the same but rewrite the snippet in PHP.
package main import ( "fmt" "strings" ) func stripchars(str, chr string) string { return strings.Map(func(r rune) rune { if strings.IndexRune(chr, r) < 0 { return r } return -1 }, str) } func main() { fmt.Println(stripchars("She was a soul stripper. She took my heart!", "aei")) }
<?php function stripchars($s, $chars) { return str_replace(str_split($chars), "", $s); } echo stripchars("She was a soul stripper. She took my heart!", "aei"), "\n"; ?>
Port the provided Go code into PHP while preserving the original functionality.
package main import "fmt" var a = []int{170, 45, 75, -90, -802, 24, 2, 66} func main() { fmt.Println("before:", a) if len(a) > 1 && !recurse(len(a) - 1) { panic("sorted permutation not found!") } fmt.Println("after: ", a) } func recurse(last int) bool { if last <= 0 { for i := len(a) - 1; a[i] >= a[i-1]; i-- { if i == 1 { return true } } return false } for i := 0; i <= last; i++ { a[i], a[last] = a[last], a[i] if recurse(last - 1) { return true } a[i], a[last] = a[last], a[i] } return false }
function inOrder($arr){ for($i=0;$i<count($arr);$i++){ if(isset($arr[$i+1])){ if($arr[$i] > $arr[$i+1]){ return false; } } } return true; } function permute($items, $perms = array( )) { if (empty($items)) { if(inOrder($perms)){ return $perms; } } else { for ($i = count($items) - 1; $i >= 0; --$i) { $newitems = $items; $newperms = $perms; list($foo) = array_splice($newitems, $i, 1); array_unshift($newperms, $foo); $res = permute($newitems, $newperms); if($res){ return $res; } } } } $arr = array( 8, 3, 10, 6, 1, 9, 7, 2, 5, 4); $arr = permute($arr); echo implode(',',$arr);
Write a version of this Go function in PHP with identical behavior.
package main import "fmt" var a = []int{170, 45, 75, -90, -802, 24, 2, 66} func main() { fmt.Println("before:", a) if len(a) > 1 && !recurse(len(a) - 1) { panic("sorted permutation not found!") } fmt.Println("after: ", a) } func recurse(last int) bool { if last <= 0 { for i := len(a) - 1; a[i] >= a[i-1]; i-- { if i == 1 { return true } } return false } for i := 0; i <= last; i++ { a[i], a[last] = a[last], a[i] if recurse(last - 1) { return true } a[i], a[last] = a[last], a[i] } return false }
function inOrder($arr){ for($i=0;$i<count($arr);$i++){ if(isset($arr[$i+1])){ if($arr[$i] > $arr[$i+1]){ return false; } } } return true; } function permute($items, $perms = array( )) { if (empty($items)) { if(inOrder($perms)){ return $perms; } } else { for ($i = count($items) - 1; $i >= 0; --$i) { $newitems = $items; $newperms = $perms; list($foo) = array_splice($newitems, $i, 1); array_unshift($newperms, $foo); $res = permute($newitems, $newperms); if($res){ return $res; } } } } $arr = array( 8, 3, 10, 6, 1, 9, 7, 2, 5, 4); $arr = permute($arr); echo implode(',',$arr);
Change the programming language of this snippet from Go to PHP without modifying what it does.
package main import ( "fmt" "math" ) func mean(v []float64) (m float64, ok bool) { if len(v) == 0 { return } var parts []float64 for _, x := range v { var i int for _, p := range parts { sum := p + x var err float64 switch ax, ap := math.Abs(x), math.Abs(p); { case ax < ap: err = x - (sum - p) case ap < ax: err = p - (sum - x) } if err != 0 { parts[i] = err i++ } x = sum } parts = append(parts[:i], x) } var sum float64 for _, x := range parts { sum += x } return sum / float64(len(v)), true } func main() { for _, v := range [][]float64{ []float64{}, []float64{math.Inf(1), math.Inf(1)}, []float64{math.Inf(1), math.Inf(-1)}, []float64{3, 1, 4, 1, 5, 9}, []float64{1e20, 3, 1, 4, 1, 5, 9, -1e20}, []float64{10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, .11}, []float64{10, 20, 30, 40, 50, -100, 4.7, -11e2}, } { fmt.Println("Vector:", v) if m, ok := mean(v); ok { fmt.Printf("Mean of %d numbers is %g\n\n", len(v), m) } else { fmt.Println("Mean undefined\n") } } }
$nums = array(3, 1, 4, 1, 5, 9); if ($nums) echo array_sum($nums) / count($nums), "\n"; else echo "0\n";
Maintain the same structure and functionality when rewriting this code in PHP.
package main import ( "fmt" "math" ) func mean(v []float64) (m float64, ok bool) { if len(v) == 0 { return } var parts []float64 for _, x := range v { var i int for _, p := range parts { sum := p + x var err float64 switch ax, ap := math.Abs(x), math.Abs(p); { case ax < ap: err = x - (sum - p) case ap < ax: err = p - (sum - x) } if err != 0 { parts[i] = err i++ } x = sum } parts = append(parts[:i], x) } var sum float64 for _, x := range parts { sum += x } return sum / float64(len(v)), true } func main() { for _, v := range [][]float64{ []float64{}, []float64{math.Inf(1), math.Inf(1)}, []float64{math.Inf(1), math.Inf(-1)}, []float64{3, 1, 4, 1, 5, 9}, []float64{1e20, 3, 1, 4, 1, 5, 9, -1e20}, []float64{10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, .11}, []float64{10, 20, 30, 40, 50, -100, 4.7, -11e2}, } { fmt.Println("Vector:", v) if m, ok := mean(v); ok { fmt.Printf("Mean of %d numbers is %g\n\n", len(v), m) } else { fmt.Println("Mean undefined\n") } } }
$nums = array(3, 1, 4, 1, 5, 9); if ($nums) echo array_sum($nums) / count($nums), "\n"; else echo "0\n";
Convert the following code from Go to PHP, ensuring the logic remains intact.
package main import ( "fmt" "math" "strings" ) func main(){ fmt.Println(H("1223334444")) } func H(data string) (entropy float64) { if data == "" { return 0 } for i := 0; i < 256; i++ { px := float64(strings.Count(data, string(byte(i)))) / float64(len(data)) if px > 0 { entropy += -px * math.Log2(px) } } return entropy }
<?php function shannonEntropy($string) { $h = 0.0; $len = strlen($string); foreach (count_chars($string, 1) as $count) { $h -= (double) ($count / $len) * log((double) ($count / $len), 2); } return $h; } $strings = array( '1223334444', '1225554444', 'aaBBcccDDDD', '122333444455555', 'Rosetta Code', '1234567890abcdefghijklmnopqrstuvwxyz', ); foreach ($strings AS $string) { printf( '%36s : %s' . PHP_EOL, $string, number_format(shannonEntropy($string), 6) ); }
Transform the following Go implementation into PHP, maintaining the same output and logic.
package main import ( "fmt" "math" "strings" ) func main(){ fmt.Println(H("1223334444")) } func H(data string) (entropy float64) { if data == "" { return 0 } for i := 0; i < 256; i++ { px := float64(strings.Count(data, string(byte(i)))) / float64(len(data)) if px > 0 { entropy += -px * math.Log2(px) } } return entropy }
<?php function shannonEntropy($string) { $h = 0.0; $len = strlen($string); foreach (count_chars($string, 1) as $count) { $h -= (double) ($count / $len) * log((double) ($count / $len), 2); } return $h; } $strings = array( '1223334444', '1225554444', 'aaBBcccDDDD', '122333444455555', 'Rosetta Code', '1234567890abcdefghijklmnopqrstuvwxyz', ); foreach ($strings AS $string) { printf( '%36s : %s' . PHP_EOL, $string, number_format(shannonEntropy($string), 6) ); }
Change the programming language of this snippet from Go to PHP without modifying what it does.
package main import "fmt" func main() { fmt.Println("Hello world!") }
<?php echo "Hello world!\n"; ?>
Ensure the translated PHP code behaves exactly like the original Go snippet.
package main import "fmt" func main() { fmt.Println("Hello world!") }
<?php echo "Hello world!\n"; ?>
Write a version of this Go function in PHP with identical behavior.
package main import "fmt" func main() { a := []int{90, 47, 58, 29, 22, 32, 55, 5, 55, 73} fmt.Println(a) fmt.Println(fd(a, 9)) } func fd(a []int, ord int) []int { for i := 0; i < ord; i++ { for j := 0; j < len(a)-i-1; j++ { a[j] = a[j+1] - a[j] } } return a[:len(a)-ord] }
<?php function forwardDiff($anArray, $times = 1) { if ($times <= 0) { return $anArray; } for ($accumilation = array(), $i = 1, $j = count($anArray); $i < $j; ++$i) { $accumilation[] = $anArray[$i] - $anArray[$i - 1]; } if ($times === 1) { return $accumilation; } return forwardDiff($accumilation, $times - 1); } class ForwardDiffExample extends PweExample { function _should_run_empty_array_for_single_elem() { $expected = array($this->rand()->int()); $this->spec(forwardDiff($expected))->shouldEqual(array()); } function _should_give_diff_of_two_elem_as_single_elem() { $twoNums = array($this->rand()->int(), $this->rand()->int()); $expected = array($twoNums[1] - $twoNums[0]); $this->spec(forwardDiff($twoNums))->shouldEqual($expected); } function _should_compute_correct_forward_diff_for_longer_arrays() { $diffInput = array(10, 2, 9, 6, 5); $expected = array(-8, 7, -3, -1); $this->spec(forwardDiff($diffInput))->shouldEqual($expected); } function _should_apply_more_than_once_if_specified() { $diffInput = array(4, 6, 9, 3, 4); $expectedAfter1 = array(2, 3, -6, 1); $expectedAfter2 = array(1, -9, 7); $this->spec(forwardDiff($diffInput, 1))->shouldEqual($expectedAfter1); $this->spec(forwardDiff($diffInput, 2))->shouldEqual($expectedAfter2); } function _should_return_array_unaltered_if_no_times() { $this->spec(forwardDiff($expected = array(1,2,3), 0))->shouldEqual($expected); } }
Translate this program into PHP but keep the logic exactly as in Go.
package main import "fmt" func main() { a := []int{90, 47, 58, 29, 22, 32, 55, 5, 55, 73} fmt.Println(a) fmt.Println(fd(a, 9)) } func fd(a []int, ord int) []int { for i := 0; i < ord; i++ { for j := 0; j < len(a)-i-1; j++ { a[j] = a[j+1] - a[j] } } return a[:len(a)-ord] }
<?php function forwardDiff($anArray, $times = 1) { if ($times <= 0) { return $anArray; } for ($accumilation = array(), $i = 1, $j = count($anArray); $i < $j; ++$i) { $accumilation[] = $anArray[$i] - $anArray[$i - 1]; } if ($times === 1) { return $accumilation; } return forwardDiff($accumilation, $times - 1); } class ForwardDiffExample extends PweExample { function _should_run_empty_array_for_single_elem() { $expected = array($this->rand()->int()); $this->spec(forwardDiff($expected))->shouldEqual(array()); } function _should_give_diff_of_two_elem_as_single_elem() { $twoNums = array($this->rand()->int(), $this->rand()->int()); $expected = array($twoNums[1] - $twoNums[0]); $this->spec(forwardDiff($twoNums))->shouldEqual($expected); } function _should_compute_correct_forward_diff_for_longer_arrays() { $diffInput = array(10, 2, 9, 6, 5); $expected = array(-8, 7, -3, -1); $this->spec(forwardDiff($diffInput))->shouldEqual($expected); } function _should_apply_more_than_once_if_specified() { $diffInput = array(4, 6, 9, 3, 4); $expectedAfter1 = array(2, 3, -6, 1); $expectedAfter2 = array(1, -9, 7); $this->spec(forwardDiff($diffInput, 1))->shouldEqual($expectedAfter1); $this->spec(forwardDiff($diffInput, 2))->shouldEqual($expectedAfter2); } function _should_return_array_unaltered_if_no_times() { $this->spec(forwardDiff($expected = array(1,2,3), 0))->shouldEqual($expected); } }
Translate the given Go code snippet into PHP without altering its behavior.
func IsPrime(n int) bool { if n < 0 { n = -n } switch { case n == 2: return true case n < 2 || n % 2 == 0: return false default: for i = 3; i*i <= n; i += 2 { if n % i == 0 { return false } } } return true }
<?php function prime($a) { if (($a % 2 == 0 && $a != 2) || $a < 2) return false; $limit = sqrt($a); for ($i = 2; $i <= $limit; $i++) if ($a % $i == 0) return false; return true; } foreach (range(1, 100) as $x) if (prime($x)) echo "$x\n"; ?>
Produce a functionally identical PHP code for the snippet given in Go.
func IsPrime(n int) bool { if n < 0 { n = -n } switch { case n == 2: return true case n < 2 || n % 2 == 0: return false default: for i = 3; i*i <= n; i += 2 { if n % i == 0 { return false } } } return true }
<?php function prime($a) { if (($a % 2 == 0 && $a != 2) || $a < 2) return false; $limit = sqrt($a); for ($i = 2; $i <= $limit; $i++) if ($a % $i == 0) return false; return true; } foreach (range(1, 100) as $x) if (prime($x)) echo "$x\n"; ?>
Rewrite the snippet below in PHP so it works the same as the original Go code.
package main import "fmt" import "math/big" func main() { fmt.Println(new(big.Int).Binomial(5, 3)) fmt.Println(new(big.Int).Binomial(60, 30)) }
<?php $n=5; $k=3; function factorial($val){ for($f=2;$val-1>1;$f*=$val--); return $f; } $binomial_coefficient=factorial($n)/(factorial($k)*factorial($n-$k)); echo $binomial_coefficient; ?>
Rewrite this program in PHP while keeping its functionality equivalent to the Go version.
package main import "fmt" import "math/big" func main() { fmt.Println(new(big.Int).Binomial(5, 3)) fmt.Println(new(big.Int).Binomial(60, 30)) }
<?php $n=5; $k=3; function factorial($val){ for($f=2;$val-1>1;$f*=$val--); return $f; } $binomial_coefficient=factorial($n)/(factorial($k)*factorial($n-$k)); echo $binomial_coefficient; ?>
Write the same algorithm in PHP as shown in this Go implementation.
package main import "fmt" func main() { var a []interface{} a = append(a, 3) a = append(a, "apples", "oranges") fmt.Println(a) }
<?php $a = array(); # add elements "at the end" array_push($a, 55, 10, 20); print_r($a); # using an explicit key $a['one'] = 1; $a['two'] = 2; print_r($a); ?>
Produce a language-to-language conversion: from Go to PHP, same semantics.
package main import "fmt" func main() { var a []interface{} a = append(a, 3) a = append(a, "apples", "oranges") fmt.Println(a) }
<?php $a = array(); # add elements "at the end" array_push($a, 55, 10, 20); print_r($a); # using an explicit key $a['one'] = 1; $a['two'] = 2; print_r($a); ?>
Translate this program into PHP but keep the logic exactly as in Go.
package raster import ( "fmt" "io" "os" ) func (b *Bitmap) WritePpmTo(w io.Writer) (err error) { if _, err = fmt.Fprintln(w, "P6"); err != nil { return } for _, c := range b.Comments { if _, err = fmt.Fprintln(w, c); err != nil { return } } _, err = fmt.Fprintf(w, "%d %d\n255\n", b.cols, b.rows) if err != nil { return } b3 := make([]byte, 3*len(b.px)) n1 := 0 for _, px := range b.px { b3[n1] = px.R b3[n1+1] = px.G b3[n1+2] = px.B n1 += 3 } if _, err = w.Write(b3); err != nil { return } return } func (b *Bitmap) WritePpmFile(fn string) (err error) { var f *os.File if f, err = os.Create(fn); err != nil { return } if err = b.WritePpmTo(f); err != nil { return } return f.Close() }
class Bitmap { public $data; public $w; public $h; public function __construct($w = 16, $h = 16){ $white = array_fill(0, $w, array(255,255,255)); $this->data = array_fill(0, $h, $white); $this->w = $w; $this->h = $h; } public function fill($x = 0, $y = 0, $w = null, $h = null, $color = array(0,0,0)){ if (is_null($w)) $w = $this->w; if (is_null($h)) $h = $this->h; $w += $x; $h += $y; for ($i = $y; $i < $h; $i++){ for ($j = $x; $j < $w; $j++){ $this->setPixel($j, $i, $color); } } } public function setPixel($x, $y, $color = array(0,0,0)){ if ($x >= $this->w) return false; if ($x < 0) return false; if ($y >= $this->h) return false; if ($y < 0) return false; $this->data[$y][$x] = $color; } public function getPixel($x, $y){ return $this->data[$y][$x]; } public function writeP6($filename){ $fh = fopen($filename, 'w'); if (!$fh) return false; fputs($fh, "P6 {$this->w} {$this->h} 255\n"); foreach ($this->data as $row){ foreach($row as $pixel){ fputs($fh, pack('C', $pixel[0])); fputs($fh, pack('C', $pixel[1])); fputs($fh, pack('C', $pixel[2])); } } fclose($fh); } } $b = new Bitmap(16,16); $b->fill(); $b->fill(2, 2, 18, 18, array(240,240,240)); $b->setPixel(0, 15, array(255,0,0)); $b->writeP6('p6.ppm');
Transform the following Go implementation into PHP, maintaining the same output and logic.
package raster import ( "fmt" "io" "os" ) func (b *Bitmap) WritePpmTo(w io.Writer) (err error) { if _, err = fmt.Fprintln(w, "P6"); err != nil { return } for _, c := range b.Comments { if _, err = fmt.Fprintln(w, c); err != nil { return } } _, err = fmt.Fprintf(w, "%d %d\n255\n", b.cols, b.rows) if err != nil { return } b3 := make([]byte, 3*len(b.px)) n1 := 0 for _, px := range b.px { b3[n1] = px.R b3[n1+1] = px.G b3[n1+2] = px.B n1 += 3 } if _, err = w.Write(b3); err != nil { return } return } func (b *Bitmap) WritePpmFile(fn string) (err error) { var f *os.File if f, err = os.Create(fn); err != nil { return } if err = b.WritePpmTo(f); err != nil { return } return f.Close() }
class Bitmap { public $data; public $w; public $h; public function __construct($w = 16, $h = 16){ $white = array_fill(0, $w, array(255,255,255)); $this->data = array_fill(0, $h, $white); $this->w = $w; $this->h = $h; } public function fill($x = 0, $y = 0, $w = null, $h = null, $color = array(0,0,0)){ if (is_null($w)) $w = $this->w; if (is_null($h)) $h = $this->h; $w += $x; $h += $y; for ($i = $y; $i < $h; $i++){ for ($j = $x; $j < $w; $j++){ $this->setPixel($j, $i, $color); } } } public function setPixel($x, $y, $color = array(0,0,0)){ if ($x >= $this->w) return false; if ($x < 0) return false; if ($y >= $this->h) return false; if ($y < 0) return false; $this->data[$y][$x] = $color; } public function getPixel($x, $y){ return $this->data[$y][$x]; } public function writeP6($filename){ $fh = fopen($filename, 'w'); if (!$fh) return false; fputs($fh, "P6 {$this->w} {$this->h} 255\n"); foreach ($this->data as $row){ foreach($row as $pixel){ fputs($fh, pack('C', $pixel[0])); fputs($fh, pack('C', $pixel[1])); fputs($fh, pack('C', $pixel[2])); } } fclose($fh); } } $b = new Bitmap(16,16); $b->fill(); $b->fill(2, 2, 18, 18, array(240,240,240)); $b->setPixel(0, 15, array(255,0,0)); $b->writeP6('p6.ppm');
Rewrite the snippet below in PHP so it works the same as the original Go code.
package main import "os" func main() { os.Remove("input.txt") os.Remove("/input.txt") os.Remove("docs") os.Remove("/docs") os.RemoveAll("docs") os.RemoveAll("/docs") }
<?php unlink('input.txt'); unlink('/input.txt'); rmdir('docs'); rmdir('/docs'); ?>
Change the programming language of this snippet from Go to PHP without modifying what it does.
package main import "os" func main() { os.Remove("input.txt") os.Remove("/input.txt") os.Remove("docs") os.Remove("/docs") os.RemoveAll("docs") os.RemoveAll("/docs") }
<?php unlink('input.txt'); unlink('/input.txt'); rmdir('docs'); rmdir('/docs'); ?>
Ensure the translated PHP code behaves exactly like the original Go snippet.
package ddate import ( "strconv" "strings" "time" ) const ( DefaultFmt = "Pungenday, Discord 5, 3131 YOLD" OldFmt = `Today is Pungenday, the 5th day of Discord in the YOLD 3131 Celebrate Mojoday` ) const ( protoLongSeason = "Discord" protoShortSeason = "Dsc" protoLongDay = "Pungenday" protoShortDay = "PD" protoOrdDay = "5" protoCardDay = "5th" protoHolyday = "Mojoday" protoYear = "3131" ) var ( longDay = []string{"Sweetmorn", "Boomtime", "Pungenday", "Prickle-Prickle", "Setting Orange"} shortDay = []string{"SM", "BT", "PD", "PP", "SO"} longSeason = []string{ "Chaos", "Discord", "Confusion", "Bureaucracy", "The Aftermath"} shortSeason = []string{"Chs", "Dsc", "Cfn", "Bcy", "Afm"} holyday = [][]string{{"Mungday", "Chaoflux"}, {"Mojoday", "Discoflux"}, {"Syaday", "Confuflux"}, {"Zaraday", "Bureflux"}, {"Maladay", "Afflux"}} ) type DiscDate struct { StTibs bool Dayy int Year int } func New(eris time.Time) DiscDate { t := time.Date(eris.Year(), 1, 1, eris.Hour(), eris.Minute(), eris.Second(), eris.Nanosecond(), eris.Location()) bob := int(eris.Sub(t).Hours()) / 24 raw := eris.Year() hastur := DiscDate{Year: raw + 1166} if raw%4 == 0 && (raw%100 != 0 || raw%400 == 0) { if bob > 59 { bob-- } else if bob == 59 { hastur.StTibs = true return hastur } } hastur.Dayy = bob return hastur } func (dd DiscDate) Format(f string) (r string) { var st, snarf string var dateElement bool f6 := func(proto, wibble string) { if !dateElement { snarf = r dateElement = true } if st > "" { r = "" } else { r += wibble } f = f[len(proto):] } f4 := func(proto, wibble string) { if dd.StTibs { st = "St. Tib's Day" } f6(proto, wibble) } season, day := dd.Dayy/73, dd.Dayy%73 for f > "" { switch { case strings.HasPrefix(f, protoLongDay): f4(protoLongDay, longDay[dd.Dayy%5]) case strings.HasPrefix(f, protoShortDay): f4(protoShortDay, shortDay[dd.Dayy%5]) case strings.HasPrefix(f, protoCardDay): funkychickens := "th" if day/10 != 1 { switch day % 10 { case 0: funkychickens = "st" case 1: funkychickens = "nd" case 2: funkychickens = "rd" } } f4(protoCardDay, strconv.Itoa(day+1)+funkychickens) case strings.HasPrefix(f, protoOrdDay): f4(protoOrdDay, strconv.Itoa(day+1)) case strings.HasPrefix(f, protoLongSeason): f6(protoLongSeason, longSeason[season]) case strings.HasPrefix(f, protoShortSeason): f6(protoShortSeason, shortSeason[season]) case strings.HasPrefix(f, protoHolyday): if day == 4 { r += holyday[season][0] } else if day == 49 { r += holyday[season][1] } f = f[len(protoHolyday):] case strings.HasPrefix(f, protoYear): r += strconv.Itoa(dd.Year) f = f[4:] default: r += f[:1] f = f[1:] } } if st > "" { r = snarf + st + r } return }
<?php $Anerisia = array(31,28,31,30,31,30,31,31,30,31,30,31); $MONTHS = array("Choas","Discord","Confusion","Bureacracy","The Aftermath"); $DAYS = array("Setting Orange","Sweetmorn","BoomTime","Pungenday","Prickle-Prickle"); $Dsuff = array('th','st','nd','rd','th','th','th','th','th','th'); $Holy5 = array("Mungday","MojoDay","Syaday","Zaraday","Maladay"); $Holy50 = array("Chaoflux","Discoflux","Confuflux","Bureflux","Afflux"); $edate = explode(" ",date('Y m j L')); $usery = $edate[0]; $userm = $edate[1]; $userd = $edate[2]; $IsLeap = $edate[3]; if (isset($_GET['y']) && isset($_GET['m']) && isset($_GET['d'])) { $usery = $_GET['y']; $userm = $_GET['m']; $userd = $_GET['d']; $IsLeap = 0; if (($usery%4 == 0) && ($usery%100 >0)) $IsLeap =1; if ($usery%400 == 0) $IsLeap = 1; } $userdays = 0; $i = 0; while ($i < ($userm-1)) { $userdays = $userdays + $Anerisia[$i]; $i = $i +1; } $userdays = $userdays + $userd; $IsHolyday = 0; $dyear = $usery + 1166; $dmonth = $MONTHS[$userdays/73.2]; $dday = $userdays%73; if (0 == $dday) $dday = 73; $Dname = $DAYS[$userdays%5]; $Holyday = "St. Tibs Day"; if ($dday == 5) { $Holyday = $Holy5[$userdays/73.2]; $IsHolyday =1; } if ($dday == 50) { $Holyday = $Holy50[$userdays/73.2]; $IsHolyday =1; } if (($IsLeap ==1) && ($userd ==29) and ($userm ==2)) $IsHolyday = 2; $suff = $Dsuff[$dday%10] ; if ((11 <= $dday) && (19 >= $dday)) $suff='th'; if ($IsHolyday ==2) echo "</br>Celeberate ",$Holyday," ",$dmonth," YOLD ",$dyear; if ($IsHolyday ==1) echo "</br>Celeberate for today ", $Dname , " The ", $dday,"<sup>",$suff,"</sup>", " day of ", $dmonth , " YOLD " , $dyear , " is the holy day of " , $Holyday; if ($IsHolyday == 0) echo "</br>Today is " , $Dname , " the " , $dday ,"<sup>",$suff, "</sup> day of " , $dmonth , " YOLD " , $dyear; ?>
Convert this Go snippet to PHP and keep its semantics consistent.
package ddate import ( "strconv" "strings" "time" ) const ( DefaultFmt = "Pungenday, Discord 5, 3131 YOLD" OldFmt = `Today is Pungenday, the 5th day of Discord in the YOLD 3131 Celebrate Mojoday` ) const ( protoLongSeason = "Discord" protoShortSeason = "Dsc" protoLongDay = "Pungenday" protoShortDay = "PD" protoOrdDay = "5" protoCardDay = "5th" protoHolyday = "Mojoday" protoYear = "3131" ) var ( longDay = []string{"Sweetmorn", "Boomtime", "Pungenday", "Prickle-Prickle", "Setting Orange"} shortDay = []string{"SM", "BT", "PD", "PP", "SO"} longSeason = []string{ "Chaos", "Discord", "Confusion", "Bureaucracy", "The Aftermath"} shortSeason = []string{"Chs", "Dsc", "Cfn", "Bcy", "Afm"} holyday = [][]string{{"Mungday", "Chaoflux"}, {"Mojoday", "Discoflux"}, {"Syaday", "Confuflux"}, {"Zaraday", "Bureflux"}, {"Maladay", "Afflux"}} ) type DiscDate struct { StTibs bool Dayy int Year int } func New(eris time.Time) DiscDate { t := time.Date(eris.Year(), 1, 1, eris.Hour(), eris.Minute(), eris.Second(), eris.Nanosecond(), eris.Location()) bob := int(eris.Sub(t).Hours()) / 24 raw := eris.Year() hastur := DiscDate{Year: raw + 1166} if raw%4 == 0 && (raw%100 != 0 || raw%400 == 0) { if bob > 59 { bob-- } else if bob == 59 { hastur.StTibs = true return hastur } } hastur.Dayy = bob return hastur } func (dd DiscDate) Format(f string) (r string) { var st, snarf string var dateElement bool f6 := func(proto, wibble string) { if !dateElement { snarf = r dateElement = true } if st > "" { r = "" } else { r += wibble } f = f[len(proto):] } f4 := func(proto, wibble string) { if dd.StTibs { st = "St. Tib's Day" } f6(proto, wibble) } season, day := dd.Dayy/73, dd.Dayy%73 for f > "" { switch { case strings.HasPrefix(f, protoLongDay): f4(protoLongDay, longDay[dd.Dayy%5]) case strings.HasPrefix(f, protoShortDay): f4(protoShortDay, shortDay[dd.Dayy%5]) case strings.HasPrefix(f, protoCardDay): funkychickens := "th" if day/10 != 1 { switch day % 10 { case 0: funkychickens = "st" case 1: funkychickens = "nd" case 2: funkychickens = "rd" } } f4(protoCardDay, strconv.Itoa(day+1)+funkychickens) case strings.HasPrefix(f, protoOrdDay): f4(protoOrdDay, strconv.Itoa(day+1)) case strings.HasPrefix(f, protoLongSeason): f6(protoLongSeason, longSeason[season]) case strings.HasPrefix(f, protoShortSeason): f6(protoShortSeason, shortSeason[season]) case strings.HasPrefix(f, protoHolyday): if day == 4 { r += holyday[season][0] } else if day == 49 { r += holyday[season][1] } f = f[len(protoHolyday):] case strings.HasPrefix(f, protoYear): r += strconv.Itoa(dd.Year) f = f[4:] default: r += f[:1] f = f[1:] } } if st > "" { r = snarf + st + r } return }
<?php $Anerisia = array(31,28,31,30,31,30,31,31,30,31,30,31); $MONTHS = array("Choas","Discord","Confusion","Bureacracy","The Aftermath"); $DAYS = array("Setting Orange","Sweetmorn","BoomTime","Pungenday","Prickle-Prickle"); $Dsuff = array('th','st','nd','rd','th','th','th','th','th','th'); $Holy5 = array("Mungday","MojoDay","Syaday","Zaraday","Maladay"); $Holy50 = array("Chaoflux","Discoflux","Confuflux","Bureflux","Afflux"); $edate = explode(" ",date('Y m j L')); $usery = $edate[0]; $userm = $edate[1]; $userd = $edate[2]; $IsLeap = $edate[3]; if (isset($_GET['y']) && isset($_GET['m']) && isset($_GET['d'])) { $usery = $_GET['y']; $userm = $_GET['m']; $userd = $_GET['d']; $IsLeap = 0; if (($usery%4 == 0) && ($usery%100 >0)) $IsLeap =1; if ($usery%400 == 0) $IsLeap = 1; } $userdays = 0; $i = 0; while ($i < ($userm-1)) { $userdays = $userdays + $Anerisia[$i]; $i = $i +1; } $userdays = $userdays + $userd; $IsHolyday = 0; $dyear = $usery + 1166; $dmonth = $MONTHS[$userdays/73.2]; $dday = $userdays%73; if (0 == $dday) $dday = 73; $Dname = $DAYS[$userdays%5]; $Holyday = "St. Tibs Day"; if ($dday == 5) { $Holyday = $Holy5[$userdays/73.2]; $IsHolyday =1; } if ($dday == 50) { $Holyday = $Holy50[$userdays/73.2]; $IsHolyday =1; } if (($IsLeap ==1) && ($userd ==29) and ($userm ==2)) $IsHolyday = 2; $suff = $Dsuff[$dday%10] ; if ((11 <= $dday) && (19 >= $dday)) $suff='th'; if ($IsHolyday ==2) echo "</br>Celeberate ",$Holyday," ",$dmonth," YOLD ",$dyear; if ($IsHolyday ==1) echo "</br>Celeberate for today ", $Dname , " The ", $dday,"<sup>",$suff,"</sup>", " day of ", $dmonth , " YOLD " , $dyear , " is the holy day of " , $Holyday; if ($IsHolyday == 0) echo "</br>Today is " , $Dname , " the " , $dday ,"<sup>",$suff, "</sup> day of " , $dmonth , " YOLD " , $dyear; ?>
Please provide an equivalent version of this Go code in PHP.
package main import ( "fmt" ) func main() { str := "Mary had a %s lamb" txt := "little" out := fmt.Sprintf(str, txt) fmt.Println(out) }
<?php $extra = 'little'; echo "Mary had a $extra lamb.\n"; printf("Mary had a %s lamb.\n", $extra); ?>
Write the same algorithm in PHP as shown in this Go implementation.
package main import ( "fmt" ) func main() { str := "Mary had a %s lamb" txt := "little" out := fmt.Sprintf(str, txt) fmt.Println(out) }
<?php $extra = 'little'; echo "Mary had a $extra lamb.\n"; printf("Mary had a %s lamb.\n", $extra); ?>
Produce a functionally identical PHP code for the snippet given in Go.
package main import ( "fmt" "container/heap" "sort" ) type IntPile []int func (self IntPile) Top() int { return self[len(self)-1] } func (self *IntPile) Pop() int { x := (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return x } type IntPilesHeap []IntPile func (self IntPilesHeap) Len() int { return len(self) } func (self IntPilesHeap) Less(i, j int) bool { return self[i].Top() < self[j].Top() } func (self IntPilesHeap) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *IntPilesHeap) Push(x interface{}) { *self = append(*self, x.(IntPile)) } func (self *IntPilesHeap) Pop() interface{} { x := (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return x } func patience_sort (n []int) { var piles []IntPile for _, x := range n { j := sort.Search(len(piles), func (i int) bool { return piles[i].Top() >= x }) if j != len(piles) { piles[j] = append(piles[j], x) } else { piles = append(piles, IntPile{ x }) } } hp := IntPilesHeap(piles) heap.Init(&hp) for i, _ := range n { smallPile := heap.Pop(&hp).(IntPile) n[i] = smallPile.Pop() if len(smallPile) != 0 { heap.Push(&hp, smallPile) } } if len(hp) != 0 { panic("something went wrong") } } func main() { a := []int{4, 65, 2, -31, 0, 99, 83, 782, 1} patience_sort(a) fmt.Println(a) }
<?php class PilesHeap extends SplMinHeap { public function compare($pile1, $pile2) { return parent::compare($pile1->top(), $pile2->top()); } } function patience_sort(&$n) { $piles = array(); foreach ($n as $x) { $low = 0; $high = count($piles)-1; while ($low <= $high) { $mid = (int)(($low + $high) / 2); if ($piles[$mid]->top() >= $x) $high = $mid - 1; else $low = $mid + 1; } $i = $low; if ($i == count($piles)) $piles[] = new SplStack(); $piles[$i]->push($x); } $heap = new PilesHeap(); foreach ($piles as $pile) $heap->insert($pile); for ($c = 0; $c < count($n); $c++) { $smallPile = $heap->extract(); $n[$c] = $smallPile->pop(); if (!$smallPile->isEmpty()) $heap->insert($smallPile); } assert($heap->isEmpty()); } $a = array(4, 65, 2, -31, 0, 99, 83, 782, 1); patience_sort($a); print_r($a); ?>
Produce a language-to-language conversion: from Go to PHP, same semantics.
package main import ( "fmt" "container/heap" "sort" ) type IntPile []int func (self IntPile) Top() int { return self[len(self)-1] } func (self *IntPile) Pop() int { x := (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return x } type IntPilesHeap []IntPile func (self IntPilesHeap) Len() int { return len(self) } func (self IntPilesHeap) Less(i, j int) bool { return self[i].Top() < self[j].Top() } func (self IntPilesHeap) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *IntPilesHeap) Push(x interface{}) { *self = append(*self, x.(IntPile)) } func (self *IntPilesHeap) Pop() interface{} { x := (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return x } func patience_sort (n []int) { var piles []IntPile for _, x := range n { j := sort.Search(len(piles), func (i int) bool { return piles[i].Top() >= x }) if j != len(piles) { piles[j] = append(piles[j], x) } else { piles = append(piles, IntPile{ x }) } } hp := IntPilesHeap(piles) heap.Init(&hp) for i, _ := range n { smallPile := heap.Pop(&hp).(IntPile) n[i] = smallPile.Pop() if len(smallPile) != 0 { heap.Push(&hp, smallPile) } } if len(hp) != 0 { panic("something went wrong") } } func main() { a := []int{4, 65, 2, -31, 0, 99, 83, 782, 1} patience_sort(a) fmt.Println(a) }
<?php class PilesHeap extends SplMinHeap { public function compare($pile1, $pile2) { return parent::compare($pile1->top(), $pile2->top()); } } function patience_sort(&$n) { $piles = array(); foreach ($n as $x) { $low = 0; $high = count($piles)-1; while ($low <= $high) { $mid = (int)(($low + $high) / 2); if ($piles[$mid]->top() >= $x) $high = $mid - 1; else $low = $mid + 1; } $i = $low; if ($i == count($piles)) $piles[] = new SplStack(); $piles[$i]->push($x); } $heap = new PilesHeap(); foreach ($piles as $pile) $heap->insert($pile); for ($c = 0; $c < count($n); $c++) { $smallPile = $heap->extract(); $n[$c] = $smallPile->pop(); if (!$smallPile->isEmpty()) $heap->insert($smallPile); } assert($heap->isEmpty()); } $a = array(4, 65, 2, -31, 0, 99, 83, 782, 1); patience_sort($a); print_r($a); ?>
Write a version of this Go function in PHP with identical behavior.
package main import ( "bytes" "fmt" "io/ioutil" "strings" ) var rows, cols int var rx, cx int var mn []int func main() { src, err := ioutil.ReadFile("ww.config") if err != nil { fmt.Println(err) return } srcRows := bytes.Split(src, []byte{'\n'}) rows = len(srcRows) for _, r := range srcRows { if len(r) > cols { cols = len(r) } } rx, cx = rows+2, cols+2 mn = []int{-cx-1, -cx, -cx+1, -1, 1, cx-1, cx, cx+1} odd := make([]byte, rx*cx) even := make([]byte, rx*cx) for ri, r := range srcRows { copy(odd[(ri+1)*cx+1:], r) } for { print(odd) step(even, odd) fmt.Scanln() print(even) step(odd, even) fmt.Scanln() } } func print(grid []byte) { fmt.Println(strings.Repeat("__", cols)) fmt.Println() for r := 1; r <= rows; r++ { for c := 1; c <= cols; c++ { if grid[r*cx+c] == 0 { fmt.Print(" ") } else { fmt.Printf(" %c", grid[r*cx+c]) } } fmt.Println() } } func step(dst, src []byte) { for r := 1; r <= rows; r++ { for c := 1; c <= cols; c++ { x := r*cx + c dst[x] = src[x] switch dst[x] { case 'H': dst[x] = 't' case 't': dst[x] = '.' case '.': var nn int for _, n := range mn { if src[x+n] == 'H' { nn++ } } if nn == 1 || nn == 2 { dst[x] = 'H' } } } } }
$desc = 'tH......... . . ........ . . Ht.. ...... .. tH.... ....... .. .. tH..... ...... ..'; $steps = 30; $world = array(array()); $row = 0; $col = 0; foreach(str_split($desc) as $i){ switch($i){ case "\n": $row++; $col = 0; $world[] = array(); break; case '.': $world[$row][$col] = 1;//conductor $col++; break; case 'H': $world[$row][$col] = 2;//head $col++; break; case 't': $world[$row][$col] = 3;//tail $col++; break; default: $world[$row][$col] = 0;//insulator/air $col++; break; }; }; function draw_world($world){ foreach($world as $rowc){ foreach($rowc as $cell){ switch($cell){ case 0: echo ' '; break; case 1: echo '.'; break; case 2: echo 'H'; break; case 3: echo 't'; }; }; echo "\n"; }; }; echo "Original world:\n"; draw_world($world); for($i = 0; $i < $steps; $i++){ $old_world = $world; //backup to look up where was an electron head foreach($world as $row => &$rowc){ foreach($rowc as $col => &$cell){ switch($cell){ case 2: $cell = 3; break; case 3: $cell = 1; break; case 1: $neigh_heads = (int) @$old_world[$row - 1][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row - 1][$col] == 2; $neigh_heads += (int) @$old_world[$row - 1][$col + 1] == 2; $neigh_heads += (int) @$old_world[$row][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row][$col + 1] == 2; $neigh_heads += (int) @$old_world[$row + 1][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row + 1][$col] == 2; if($neigh_heads == 1 || $neigh_heads == 2){ $cell = 2; }; }; }; unset($cell); //just to be safe }; unset($rowc); //just to be safe echo "\nStep " . ($i + 1) . ":\n"; draw_world($world); };
Change the following Go code into PHP without altering its purpose.
package main import ( "bytes" "fmt" "io/ioutil" "strings" ) var rows, cols int var rx, cx int var mn []int func main() { src, err := ioutil.ReadFile("ww.config") if err != nil { fmt.Println(err) return } srcRows := bytes.Split(src, []byte{'\n'}) rows = len(srcRows) for _, r := range srcRows { if len(r) > cols { cols = len(r) } } rx, cx = rows+2, cols+2 mn = []int{-cx-1, -cx, -cx+1, -1, 1, cx-1, cx, cx+1} odd := make([]byte, rx*cx) even := make([]byte, rx*cx) for ri, r := range srcRows { copy(odd[(ri+1)*cx+1:], r) } for { print(odd) step(even, odd) fmt.Scanln() print(even) step(odd, even) fmt.Scanln() } } func print(grid []byte) { fmt.Println(strings.Repeat("__", cols)) fmt.Println() for r := 1; r <= rows; r++ { for c := 1; c <= cols; c++ { if grid[r*cx+c] == 0 { fmt.Print(" ") } else { fmt.Printf(" %c", grid[r*cx+c]) } } fmt.Println() } } func step(dst, src []byte) { for r := 1; r <= rows; r++ { for c := 1; c <= cols; c++ { x := r*cx + c dst[x] = src[x] switch dst[x] { case 'H': dst[x] = 't' case 't': dst[x] = '.' case '.': var nn int for _, n := range mn { if src[x+n] == 'H' { nn++ } } if nn == 1 || nn == 2 { dst[x] = 'H' } } } } }
$desc = 'tH......... . . ........ . . Ht.. ...... .. tH.... ....... .. .. tH..... ...... ..'; $steps = 30; $world = array(array()); $row = 0; $col = 0; foreach(str_split($desc) as $i){ switch($i){ case "\n": $row++; $col = 0; $world[] = array(); break; case '.': $world[$row][$col] = 1;//conductor $col++; break; case 'H': $world[$row][$col] = 2;//head $col++; break; case 't': $world[$row][$col] = 3;//tail $col++; break; default: $world[$row][$col] = 0;//insulator/air $col++; break; }; }; function draw_world($world){ foreach($world as $rowc){ foreach($rowc as $cell){ switch($cell){ case 0: echo ' '; break; case 1: echo '.'; break; case 2: echo 'H'; break; case 3: echo 't'; }; }; echo "\n"; }; }; echo "Original world:\n"; draw_world($world); for($i = 0; $i < $steps; $i++){ $old_world = $world; //backup to look up where was an electron head foreach($world as $row => &$rowc){ foreach($rowc as $col => &$cell){ switch($cell){ case 2: $cell = 3; break; case 3: $cell = 1; break; case 1: $neigh_heads = (int) @$old_world[$row - 1][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row - 1][$col] == 2; $neigh_heads += (int) @$old_world[$row - 1][$col + 1] == 2; $neigh_heads += (int) @$old_world[$row][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row][$col + 1] == 2; $neigh_heads += (int) @$old_world[$row + 1][$col - 1] == 2; $neigh_heads += (int) @$old_world[$row + 1][$col] == 2; if($neigh_heads == 1 || $neigh_heads == 2){ $cell = 2; }; }; }; unset($cell); //just to be safe }; unset($rowc); //just to be safe echo "\nStep " . ($i + 1) . ":\n"; draw_world($world); };
Convert this Go block to PHP, preserving its control flow and logic.
package main import ( "fmt" "math" ) type xy struct { x, y float64 } type seg struct { p1, p2 xy } type poly struct { name string sides []seg } func inside(pt xy, pg poly) (i bool) { for _, side := range pg.sides { if rayIntersectsSegment(pt, side) { i = !i } } return } func rayIntersectsSegment(p xy, s seg) bool { var a, b xy if s.p1.y < s.p2.y { a, b = s.p1, s.p2 } else { a, b = s.p2, s.p1 } for p.y == a.y || p.y == b.y { p.y = math.Nextafter(p.y, math.Inf(1)) } if p.y < a.y || p.y > b.y { return false } if a.x > b.x { if p.x > a.x { return false } if p.x < b.x { return true } } else { if p.x > b.x { return false } if p.x < a.x { return true } } return (p.y-a.y)/(p.x-a.x) >= (b.y-a.y)/(b.x-a.x) } var ( p1 = xy{0, 0} p2 = xy{10, 0} p3 = xy{10, 10} p4 = xy{0, 10} p5 = xy{2.5, 2.5} p6 = xy{7.5, 2.5} p7 = xy{7.5, 7.5} p8 = xy{2.5, 7.5} p9 = xy{0, 5} p10 = xy{10, 5} p11 = xy{3, 0} p12 = xy{7, 0} p13 = xy{7, 10} p14 = xy{3, 10} ) var tpg = []poly{ {"square", []seg{{p1, p2}, {p2, p3}, {p3, p4}, {p4, p1}}}, {"square hole", []seg{{p1, p2}, {p2, p3}, {p3, p4}, {p4, p1}, {p5, p6}, {p6, p7}, {p7, p8}, {p8, p5}}}, {"strange", []seg{{p1, p5}, {p5, p4}, {p4, p8}, {p8, p7}, {p7, p3}, {p3, p2}, {p2, p5}}}, {"exagon", []seg{{p11, p12}, {p12, p10}, {p10, p13}, {p13, p14}, {p14, p9}, {p9, p11}}}, } var tpt = []xy{ {5, 5}, {5, 8}, {-10, 5}, {0, 5}, {10, 5}, {8, 5}, {10, 10}, {1, 2}, {2, 1}, } func main() { for _, pg := range tpg { fmt.Printf("%s:\n", pg.name) for _, pt := range tpt { fmt.Println(pt, inside(pt, pg)) } } }
<?php function contains($bounds, $lat, $lng) { $count = 0; $bounds_count = count($bounds); for ($b = 0; $b < $bounds_count; $b++) { $vertex1 = $bounds[$b]; $vertex2 = $bounds[($b + 1) % $bounds_count]; if (west($vertex1, $vertex2, $lng, $lat)) $count++; } return $count % 2; } function west($A, $B, $x, $y) { if ($A['y'] <= $B['y']) { if ($y <= $A['y'] || $y > $B['y'] || $x >= $A['x'] && $x >= $B['x']) { return false; } if ($x < $A['x'] && $x < $B['x']) { return true; } if ($x == $A['x']) { if ($y == $A['y']) { $result1 = NAN; } else { $result1 = INF; } } else { $result1 = ($y - $A['y']) / ($x - $A['x']); } if ($B['x'] == $A['x']) { if ($B['y'] == $A['y']) { $result2 = NAN; } else { $result2 = INF; } } else { $result2 = ($B['y'] - $A['y']) / ($B['x'] - $A['x']); } return $result1 > $result2; } return west($B, $A, $x, $y); } $square = [ 'name' => 'square', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 20, 'y' => 0], ['x' => 20, 'y' => 20], ['x' => 0, 'y' => 20]] ]; $squareHole = [ 'name' => 'squareHole', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 20, 'y' => 0], ['x' => 20, 'y' => 20], ['x' => 0, 'y' => 20], ['x' => 5, 'y' => 5], ['x' => 15, 'y' => 5], ['x' => 15, 'y' => 15], ['x' => 5, 'y' => 15]] ]; $strange = [ 'name' => 'strange', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 5, 'y' => 5], ['x' => 0, 'y' => 20], ['x' => 5, 'y' => 15], ['x' => 15, 'y' => 15], ['x' => 20, 'y' => 20], ['x' => 20, 'y' => 0]] ]; $hexagon = [ 'name' => 'hexagon', 'bounds' => [['x' => 6, 'y' => 0], ['x' => 14, 'y' => 0], ['x' => 20, 'y' => 10], ['x' => 14, 'y' => 20], ['x' => 6, 'y' => 20], ['x' => 0, 'y' => 10]] ]; $shapes = [$square, $squareHole, $strange, $hexagon]; $testPoints = [ ['lng' => 10, 'lat' => 10], ['lng' => 10, 'lat' => 16], ['lng' => -20, 'lat' => 10], ['lng' => 0, 'lat' => 10], ['lng' => 20, 'lat' => 10], ['lng' => 16, 'lat' => 10], ['lng' => 20, 'lat' => 20] ]; for ($s = 0; $s < count($shapes); $s++) { $shape = $shapes[$s]; for ($tp = 0; $tp < count($testPoints); $tp++) { $testPoint = $testPoints[$tp]; echo json_encode($testPoint) . "\tin " . $shape['name'] . "\t" . contains($shape['bounds'], $testPoint['lat'], $testPoint['lng']) . PHP_EOL; } }
Ensure the translated PHP code behaves exactly like the original Go snippet.
package main import ( "fmt" "math" ) type xy struct { x, y float64 } type seg struct { p1, p2 xy } type poly struct { name string sides []seg } func inside(pt xy, pg poly) (i bool) { for _, side := range pg.sides { if rayIntersectsSegment(pt, side) { i = !i } } return } func rayIntersectsSegment(p xy, s seg) bool { var a, b xy if s.p1.y < s.p2.y { a, b = s.p1, s.p2 } else { a, b = s.p2, s.p1 } for p.y == a.y || p.y == b.y { p.y = math.Nextafter(p.y, math.Inf(1)) } if p.y < a.y || p.y > b.y { return false } if a.x > b.x { if p.x > a.x { return false } if p.x < b.x { return true } } else { if p.x > b.x { return false } if p.x < a.x { return true } } return (p.y-a.y)/(p.x-a.x) >= (b.y-a.y)/(b.x-a.x) } var ( p1 = xy{0, 0} p2 = xy{10, 0} p3 = xy{10, 10} p4 = xy{0, 10} p5 = xy{2.5, 2.5} p6 = xy{7.5, 2.5} p7 = xy{7.5, 7.5} p8 = xy{2.5, 7.5} p9 = xy{0, 5} p10 = xy{10, 5} p11 = xy{3, 0} p12 = xy{7, 0} p13 = xy{7, 10} p14 = xy{3, 10} ) var tpg = []poly{ {"square", []seg{{p1, p2}, {p2, p3}, {p3, p4}, {p4, p1}}}, {"square hole", []seg{{p1, p2}, {p2, p3}, {p3, p4}, {p4, p1}, {p5, p6}, {p6, p7}, {p7, p8}, {p8, p5}}}, {"strange", []seg{{p1, p5}, {p5, p4}, {p4, p8}, {p8, p7}, {p7, p3}, {p3, p2}, {p2, p5}}}, {"exagon", []seg{{p11, p12}, {p12, p10}, {p10, p13}, {p13, p14}, {p14, p9}, {p9, p11}}}, } var tpt = []xy{ {5, 5}, {5, 8}, {-10, 5}, {0, 5}, {10, 5}, {8, 5}, {10, 10}, {1, 2}, {2, 1}, } func main() { for _, pg := range tpg { fmt.Printf("%s:\n", pg.name) for _, pt := range tpt { fmt.Println(pt, inside(pt, pg)) } } }
<?php function contains($bounds, $lat, $lng) { $count = 0; $bounds_count = count($bounds); for ($b = 0; $b < $bounds_count; $b++) { $vertex1 = $bounds[$b]; $vertex2 = $bounds[($b + 1) % $bounds_count]; if (west($vertex1, $vertex2, $lng, $lat)) $count++; } return $count % 2; } function west($A, $B, $x, $y) { if ($A['y'] <= $B['y']) { if ($y <= $A['y'] || $y > $B['y'] || $x >= $A['x'] && $x >= $B['x']) { return false; } if ($x < $A['x'] && $x < $B['x']) { return true; } if ($x == $A['x']) { if ($y == $A['y']) { $result1 = NAN; } else { $result1 = INF; } } else { $result1 = ($y - $A['y']) / ($x - $A['x']); } if ($B['x'] == $A['x']) { if ($B['y'] == $A['y']) { $result2 = NAN; } else { $result2 = INF; } } else { $result2 = ($B['y'] - $A['y']) / ($B['x'] - $A['x']); } return $result1 > $result2; } return west($B, $A, $x, $y); } $square = [ 'name' => 'square', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 20, 'y' => 0], ['x' => 20, 'y' => 20], ['x' => 0, 'y' => 20]] ]; $squareHole = [ 'name' => 'squareHole', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 20, 'y' => 0], ['x' => 20, 'y' => 20], ['x' => 0, 'y' => 20], ['x' => 5, 'y' => 5], ['x' => 15, 'y' => 5], ['x' => 15, 'y' => 15], ['x' => 5, 'y' => 15]] ]; $strange = [ 'name' => 'strange', 'bounds' => [['x' => 0, 'y' => 0], ['x' => 5, 'y' => 5], ['x' => 0, 'y' => 20], ['x' => 5, 'y' => 15], ['x' => 15, 'y' => 15], ['x' => 20, 'y' => 20], ['x' => 20, 'y' => 0]] ]; $hexagon = [ 'name' => 'hexagon', 'bounds' => [['x' => 6, 'y' => 0], ['x' => 14, 'y' => 0], ['x' => 20, 'y' => 10], ['x' => 14, 'y' => 20], ['x' => 6, 'y' => 20], ['x' => 0, 'y' => 10]] ]; $shapes = [$square, $squareHole, $strange, $hexagon]; $testPoints = [ ['lng' => 10, 'lat' => 10], ['lng' => 10, 'lat' => 16], ['lng' => -20, 'lat' => 10], ['lng' => 0, 'lat' => 10], ['lng' => 20, 'lat' => 10], ['lng' => 16, 'lat' => 10], ['lng' => 20, 'lat' => 20] ]; for ($s = 0; $s < count($shapes); $s++) { $shape = $shapes[$s]; for ($tp = 0; $tp < count($testPoints); $tp++) { $testPoint = $testPoints[$tp]; echo json_encode($testPoint) . "\tin " . $shape['name'] . "\t" . contains($shape['bounds'], $testPoint['lat'], $testPoint['lng']) . PHP_EOL; } }
Please provide an equivalent version of this Go code in PHP.
package main import ( "fmt" "strings" ) func main() { fmt.Println(strings.Count("the three truths", "th")) fmt.Println(strings.Count("ababababab", "abab")) }
<?php echo substr_count("the three truths", "th"), PHP_EOL; // prints "3" echo substr_count("ababababab", "abab"), PHP_EOL; // prints "2"
Convert this Go block to PHP, preserving its control flow and logic.
package main import ( "fmt" "strings" ) func main() { fmt.Println(strings.Count("the three truths", "th")) fmt.Println(strings.Count("ababababab", "abab")) }
<?php echo substr_count("the three truths", "th"), PHP_EOL; // prints "3" echo substr_count("ababababab", "abab"), PHP_EOL; // prints "2"
Preserve the algorithm and functionality while converting the code from VB to Python.
Debug.Print Hex(&HF0F0 And &HFF00) Debug.Print Hex(&HF0F0 Or &HFF00) Debug.Print Hex(&HF0F0 Xor &HFF00) Debug.Print Hex(Not &HF0F0) Debug.Print Hex(&HF0F0 Eqv &HFF00) Debug.Print Hex(&HF0F0 Imp &HFF00)
def bitwise_built_ins(width, a, b): mask = (1 << width) - 1 print(f) def rotr(width, a, n): "Rotate a, n times to the right" if n < 0: return rotl(width, a, -n) elif n == 0: return a else: mask = (1 << width) - 1 a, n = a & mask, n % width return ((a >> n) | ((a & ((1 << n) - 1)) << (width - n))) def rotl(width, a, n): "Rotate a, n times to the left" if n < 0: return rotr(width, a, -n) elif n == 0: return a else: mask = (1 << width) - 1 a, n = a & mask, n % width return (((a << n) & mask) | (a >> (width - n))) def asr(width, a, n): "Arithmetic shift a, n times to the right. (sign preserving)." mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1) if n < 0: return (a << -n) & mask elif n == 0: return a elif n >= width: return mask if a & top_bit_mask else 0 else: a = a & mask if a & top_bit_mask: signs = (1 << n) - 1 return a >> n | (signs << width - n) else: return a >> n def helper_funcs(width, a): mask, top_bit_mask = ((1 << width) - 1), 1 << (width - 1) aa = a | top_bit_mask print(f) if __name__ == '__main__': bitwise_built_ins(8, 27, 125) helper_funcs(8, 27)
Rewrite the snippet below in Python so it works the same as the original VB code.
option explicit const pi180= 0.01745329251994329576923690768489 const pi=3.1415926535897932384626433832795 class turtle dim fso dim fn dim svg dim iang dim ori dim incr dim pdown dim clr dim x dim y public property let orient(n):ori = n*pi180 :end property public property let iangle(n):iang= n*pi180 :end property public sub pd() : pdown=true: end sub public sub pu() :pdown=FALSE :end sub public sub rt(i) ori=ori - i*iang: end sub public sub lt(i): ori=(ori + i*iang) end sub public sub bw(l) x= x+ cos(ori+pi)*l*incr y= y+ sin(ori+pi)*l*incr end sub public sub fw(l) dim x1,y1 x1=x + cos(ori)*l*incr y1=y + sin(ori)*l*incr if pdown then line x,y,x1,y1 x=x1:y=y1 end sub Private Sub Class_Initialize() setlocale "us" initsvg x=400:y=400:incr=100 ori=90*pi180 iang=90*pi180 clr=0 pdown=true end sub Private Sub Class_Terminate() disply end sub private sub line (x,y,x1,y1) svg.WriteLine "<line x1=""" & x & """ y1= """& y & """ x2=""" & x1& """ y2=""" & y1 & """/>" end sub private sub disply() dim shell svg.WriteLine "</svg></body></html>" svg.close Set shell = CreateObject("Shell.Application") shell.ShellExecute fn,1,False end sub private sub initsvg() dim scriptpath Set fso = CreateObject ("Scripting.Filesystemobject") ScriptPath= Left(WScript.ScriptFullName, InStrRev(WScript.ScriptFullName, "\")) fn=Scriptpath & "SIERP.HTML" Set svg = fso.CreateTextFile(fn,True) if SVG IS nothing then wscript.echo "Can svg.WriteLine "<!DOCTYPE html>" &vbcrlf & "<html>" &vbcrlf & "<head>" svg.writeline "<style>" & vbcrlf & "line {stroke:rgb(255,0,0);stroke-width:.5}" &vbcrlf &"</style>" svg.writeline "</head>"&vbcrlf & "<body>" svg.WriteLine "<svg xmlns=""http://www.w3.org/2000/svg"" width=""800"" height=""800"" viewBox=""0 0 800 800"">" end sub end class sub dragon(st,le,dir) if st=0 then x.fw le: exit sub x.rt dir dragon st-1, le/1.41421 ,1 x.rt dir*2 dragon st-1, le/1.41421 ,-1 x.rt dir end sub dim x set x=new turtle x.iangle=45 x.orient=45 x.incr=1 x.x=200:x.y=200 dragon 12,300,1 set x=nothing
l = 3 ints = 13 def setup(): size(700, 600) background(0, 0, 255) translate(150, 100) stroke(255) turn_left(l, ints) turn_right(l, ints) def turn_right(l, ints): if ints == 0: line(0, 0, 0, -l) translate(0, -l) else: turn_left(l, ints - 1) rotate(radians(90)) turn_right(l, ints - 1) def turn_left(l, ints): if ints == 0: line(0, 0, 0, -l) translate(0, -l) else: turn_left(l, ints - 1) rotate(radians(-90)) turn_right(l, ints - 1)
Convert this VB snippet to Python and keep its semantics consistent.
$Include "Rapidq.inc" dim file as qfilestream if file.open("c:\A Test.txt", fmOpenRead) then while not File.eof print File.readline wend else print "Cannot read file" end if input "Press enter to exit: ";a$
for line in lines open('input.txt'): print line
Transform the following VB implementation into Python, maintaining the same output and logic.
Public Sub Insert(ByVal a As Node(Of T), ByVal b As Node(Of T), ByVal c As T) Dim node As New Node(Of T)(value) a.Next = node node.Previous = a b.Previous = node node.Next = b End Sub
def insert(anchor, new): new.next = anchor.next new.prev = anchor anchor.next.prev = new anchor.next = new
Translate this program into Python but keep the logic exactly as in VB.
Dim s As Variant Private Function quick_select(ByRef s As Variant, k As Integer) As Integer Dim left As Integer, right As Integer, pos As Integer Dim pivotValue As Integer, tmp As Integer left = 1: right = UBound(s) Do While left < right pivotValue = s(k) tmp = s(k) s(k) = s(right) s(right) = tmp pos = left For i = left To right If s(i) < pivotValue Then tmp = s(i) s(i) = s(pos) s(pos) = tmp pos = pos + 1 End If Next i tmp = s(right) s(right) = s(pos) s(pos) = tmp If pos = k Then Exit Do End If If pos < k Then left = pos + 1 Else right = pos - 1 End If Loop quick_select = s(k) End Function Public Sub main() Dim r As Integer, i As Integer s = [{9, 8, 7, 6, 5, 0, 1, 2, 3, 4}] For i = 1 To 10 r = quick_select(s, i) Debug.Print IIf(i < 10, r & ", ", "" & r); Next i End Sub
import random def partition(vector, left, right, pivotIndex): pivotValue = vector[pivotIndex] vector[pivotIndex], vector[right] = vector[right], vector[pivotIndex] storeIndex = left for i in range(left, right): if vector[i] < pivotValue: vector[storeIndex], vector[i] = vector[i], vector[storeIndex] storeIndex += 1 vector[right], vector[storeIndex] = vector[storeIndex], vector[right] return storeIndex def _select(vector, left, right, k): "Returns the k-th smallest, (k >= 0), element of vector within vector[left:right+1] inclusive." while True: pivotIndex = random.randint(left, right) pivotNewIndex = partition(vector, left, right, pivotIndex) pivotDist = pivotNewIndex - left if pivotDist == k: return vector[pivotNewIndex] elif k < pivotDist: right = pivotNewIndex - 1 else: k -= pivotDist + 1 left = pivotNewIndex + 1 def select(vector, k, left=None, right=None): if left is None: left = 0 lv1 = len(vector) - 1 if right is None: right = lv1 assert vector and k >= 0, "Either null vector or k < 0 " assert 0 <= left <= lv1, "left is out of range" assert left <= right <= lv1, "right is out of range" return _select(vector, left, right, k) if __name__ == '__main__': v = [9, 8, 7, 6, 5, 0, 1, 2, 3, 4] print([select(v, i) for i in range(10)])
Port the provided VB code into Python while preserving the original functionality.
Private Function to_base(ByVal number As Long, base As Integer) As String Dim digits As String, result As String Dim i As Integer, digit As Integer digits = "0123456789abcdefghijklmnopqrstuvwxyz" Do While number > 0 digit = number Mod base result = Mid(digits, digit + 1, 1) & result number = number \ base Loop to_base = result End Function Private Function from_base(number As String, base As Integer) As Long Dim digits As String, result As Long Dim i As Integer digits = "0123456789abcdefghijklmnopqrstuvwxyz" result = Val(InStr(1, digits, Mid(number, 1, 1), vbTextCompare) - 1) For i = 2 To Len(number) result = result * base + Val(InStr(1, digits, Mid(number, i, 1), vbTextCompare) - 1) Next i from_base = result End Function Public Sub Non_decimal_radices_Convert() Debug.Print "26 decimal in base 16 is: "; to_base(26, 16); ". Conversely, hexadecimal 1a in decimal is: "; from_base("1a", 16) End Sub
i = int('1a',16)
Convert the following code from VB to Python, ensuring the logic remains intact.
Private Function to_base(ByVal number As Long, base As Integer) As String Dim digits As String, result As String Dim i As Integer, digit As Integer digits = "0123456789abcdefghijklmnopqrstuvwxyz" Do While number > 0 digit = number Mod base result = Mid(digits, digit + 1, 1) & result number = number \ base Loop to_base = result End Function Private Function from_base(number As String, base As Integer) As Long Dim digits As String, result As Long Dim i As Integer digits = "0123456789abcdefghijklmnopqrstuvwxyz" result = Val(InStr(1, digits, Mid(number, 1, 1), vbTextCompare) - 1) For i = 2 To Len(number) result = result * base + Val(InStr(1, digits, Mid(number, i, 1), vbTextCompare) - 1) Next i from_base = result End Function Public Sub Non_decimal_radices_Convert() Debug.Print "26 decimal in base 16 is: "; to_base(26, 16); ". Conversely, hexadecimal 1a in decimal is: "; from_base("1a", 16) End Sub
i = int('1a',16)
Produce a language-to-language conversion: from VB to Python, same semantics.
Sub printFiles(parentDir As FolderItem, pattern As String) For i As Integer = 1 To parentDir.Count If parentDir.Item(i).Directory Then printFiles(parentDir.Item(i), pattern) Else Dim rg as New RegEx Dim myMatch as RegExMatch rg.SearchPattern = pattern myMatch = rg.search(parentDir.Item(i).Name) If myMatch <> Nil Then Print(parentDir.Item(i).AbsolutePath) End If Next End Sub
from pathlib import Path for path in Path('.').rglob('*.*'): print(path)
Port the provided VB code into Python while preserving the original functionality.
dim crctbl(255) const crcc =&hEDB88320 sub gencrctable for i= 0 to 255 k=i for j=1 to 8 if k and 1 then k=(k and &h7fffffff)\2 or (&h40000000 and ((k and &h80000000)<>0)) k=k xor crcc else k=(k and &h7fffffff)\2 or (&h40000000 and ((k and &h80000000)<>0)) end if next crctbl(i)=k next end sub function crc32 (buf) dim r,r1,i r=&hffffffff for i=1 to len(buf) r1=(r and &h7fffffff)\&h100 or (&h800000 and (r and &h80000000)<>0) r=r1 xor crctbl((asc(mid(buf,i,1))xor r) and 255) next crc32=r xor &hffffffff end function gencrctable wscript.stdout.writeline hex(crc32("The quick brown fox jumps over the lazy dog"))
>>> s = 'The quick brown fox jumps over the lazy dog' >>> import zlib >>> hex(zlib.crc32(s)) '0x414fa339' >>> import binascii >>> hex(binascii.crc32(s)) '0x414fa339'
Convert this VB block to Python, preserving its control flow and logic.
Public Sub CSV_TO_HTML() input_ = "Character,Speech\n" & _ "The multitude,The messiah! Show us the messiah!\n" & _ "Brians mother,<angry>Now you listen here! He "he "The multitude,Who are you?\n" & _ "Brians mother,I "The multitude,Behold his mother! Behold his mother!" Debug.Print "<table>" & vbCrLf & "<tr><td>" For i = 1 To Len(input_) Select Case Mid(input_, i, 1) Case "\" If Mid(input_, i + 1, 1) = "n" Then Debug.Print "</td></tr>" & vbCrLf & "<tr><td>"; i = i + 1 Else Debug.Print Mid(input_, i, 1); End If Case ",": Debug.Print "</td><td>"; Case "<": Debug.Print "&lt;"; Case ">": Debug.Print "&gt;"; Case "&": Debug.Print "&amp;"; Case Else: Debug.Print Mid(input_, i, 1); End Select Next i Debug.Print "</td></tr>" & vbCrLf & "</table>" End Sub
csvtxt = from cgi import escape def _row2tr(row, attr=None): cols = escape(row).split(',') return ('<TR>' + ''.join('<TD>%s</TD>' % data for data in cols) + '</TR>') def csv2html(txt): htmltxt = '<TABLE summary="csv2html program output">\n' for rownum, row in enumerate(txt.split('\n')): htmlrow = _row2tr(row) htmlrow = ' <TBODY>%s</TBODY>\n' % htmlrow htmltxt += htmlrow htmltxt += '</TABLE>\n' return htmltxt htmltxt = csv2html(csvtxt) print(htmltxt)
Convert the following code from VB to Python, ensuring the logic remains intact.
Public Sub CSV_TO_HTML() input_ = "Character,Speech\n" & _ "The multitude,The messiah! Show us the messiah!\n" & _ "Brians mother,<angry>Now you listen here! He "he "The multitude,Who are you?\n" & _ "Brians mother,I "The multitude,Behold his mother! Behold his mother!" Debug.Print "<table>" & vbCrLf & "<tr><td>" For i = 1 To Len(input_) Select Case Mid(input_, i, 1) Case "\" If Mid(input_, i + 1, 1) = "n" Then Debug.Print "</td></tr>" & vbCrLf & "<tr><td>"; i = i + 1 Else Debug.Print Mid(input_, i, 1); End If Case ",": Debug.Print "</td><td>"; Case "<": Debug.Print "&lt;"; Case ">": Debug.Print "&gt;"; Case "&": Debug.Print "&amp;"; Case Else: Debug.Print Mid(input_, i, 1); End Select Next i Debug.Print "</td></tr>" & vbCrLf & "</table>" End Sub
csvtxt = from cgi import escape def _row2tr(row, attr=None): cols = escape(row).split(',') return ('<TR>' + ''.join('<TD>%s</TD>' % data for data in cols) + '</TR>') def csv2html(txt): htmltxt = '<TABLE summary="csv2html program output">\n' for rownum, row in enumerate(txt.split('\n')): htmlrow = _row2tr(row) htmlrow = ' <TBODY>%s</TBODY>\n' % htmlrow htmltxt += htmlrow htmltxt += '</TABLE>\n' return htmltxt htmltxt = csv2html(csvtxt) print(htmltxt)
Generate an equivalent Python version of this VB code.
Public Sub CSV_TO_HTML() input_ = "Character,Speech\n" & _ "The multitude,The messiah! Show us the messiah!\n" & _ "Brians mother,<angry>Now you listen here! He "he "The multitude,Who are you?\n" & _ "Brians mother,I "The multitude,Behold his mother! Behold his mother!" Debug.Print "<table>" & vbCrLf & "<tr><td>" For i = 1 To Len(input_) Select Case Mid(input_, i, 1) Case "\" If Mid(input_, i + 1, 1) = "n" Then Debug.Print "</td></tr>" & vbCrLf & "<tr><td>"; i = i + 1 Else Debug.Print Mid(input_, i, 1); End If Case ",": Debug.Print "</td><td>"; Case "<": Debug.Print "&lt;"; Case ">": Debug.Print "&gt;"; Case "&": Debug.Print "&amp;"; Case Else: Debug.Print Mid(input_, i, 1); End Select Next i Debug.Print "</td></tr>" & vbCrLf & "</table>" End Sub
csvtxt = from cgi import escape def _row2tr(row, attr=None): cols = escape(row).split(',') return ('<TR>' + ''.join('<TD>%s</TD>' % data for data in cols) + '</TR>') def csv2html(txt): htmltxt = '<TABLE summary="csv2html program output">\n' for rownum, row in enumerate(txt.split('\n')): htmlrow = _row2tr(row) htmlrow = ' <TBODY>%s</TBODY>\n' % htmlrow htmltxt += htmlrow htmltxt += '</TABLE>\n' return htmltxt htmltxt = csv2html(csvtxt) print(htmltxt)
Write the same code in Python as shown below in VB.
Class NumberContainer Private TheNumber As Integer Sub Constructor(InitialNumber As Integer) TheNumber = InitialNumber End Sub Function Number() As Integer Return TheNumber End Function Sub Number(Assigns NewNumber As Integer) TheNumber = NewNumber End Sub End Class
class MyClass: name2 = 2 def __init__(self): self.name1 = 0 def someMethod(self): self.name1 = 1 MyClass.name2 = 3 myclass = MyClass() class MyOtherClass: count = 0 def __init__(self, name, gender="Male", age=None): MyOtherClass.count += 1 self.name = name self.gender = gender if age is not None: self.age = age def __del__(self): MyOtherClass.count -= 1 person1 = MyOtherClass("John") print person1.name, person1.gender print person1.age person2 = MyOtherClass("Jane", "Female", 23) print person2.name, person2.gender, person2.age
Change the programming language of this snippet from VB to Python without modifying what it does.
Class NumberContainer Private TheNumber As Integer Sub Constructor(InitialNumber As Integer) TheNumber = InitialNumber End Sub Function Number() As Integer Return TheNumber End Function Sub Number(Assigns NewNumber As Integer) TheNumber = NewNumber End Sub End Class
class MyClass: name2 = 2 def __init__(self): self.name1 = 0 def someMethod(self): self.name1 = 1 MyClass.name2 = 3 myclass = MyClass() class MyOtherClass: count = 0 def __init__(self, name, gender="Male", age=None): MyOtherClass.count += 1 self.name = name self.gender = gender if age is not None: self.age = age def __del__(self): MyOtherClass.count -= 1 person1 = MyOtherClass("John") print person1.name, person1.gender print person1.age person2 = MyOtherClass("Jane", "Female", 23) print person2.name, person2.gender, person2.age
Maintain the same structure and functionality when rewriting this code in Python.
Module Module1 ReadOnly max As ULong = 1000000 Function Kaprekar(n As ULong) As Boolean If n = 1 Then Return True Dim sq = n * n Dim sq_str = Str(sq) Dim l = Len(sq_str) For x = l - 1 To 1 Step -1 If sq_str(x) = "0" Then l = l - 1 Else Exit For End If Next For x = 1 To l - 1 Dim p2 = Val(Mid(sq_str, x + 1)) If p2 > n Then Continue For End If Dim p1 = Val(Left(sq_str, x)) If p1 > n Then Return False If (p1 + p2) = n Then Return True Next Return False End Function Sub Main() Dim count = 0 Console.WriteLine("Kaprekar numbers below 10000") For n = 1 To max - 1 If Kaprekar(n) Then count = count + 1 If n < 10000 Then Console.WriteLine("{0,2} {1,4}", count, n) End If End If Next Console.WriteLine() Console.WriteLine("{0} numbers below {1} are kaprekar numbers", count, max) End Sub End Module
>>> def k(n): n2 = str(n**2) for i in range(len(n2)): a, b = int(n2[:i] or 0), int(n2[i:]) if b and a + b == n: return n >>> [x for x in range(1,10000) if k(x)] [1, 9, 45, 55, 99, 297, 703, 999, 2223, 2728, 4879, 4950, 5050, 5292, 7272, 7777, 9999] >>> len([x for x in range(1,1000000) if k(x)]) 54 >>>
Produce a functionally identical Python code for the snippet given in VB.
Module Module1 ReadOnly max As ULong = 1000000 Function Kaprekar(n As ULong) As Boolean If n = 1 Then Return True Dim sq = n * n Dim sq_str = Str(sq) Dim l = Len(sq_str) For x = l - 1 To 1 Step -1 If sq_str(x) = "0" Then l = l - 1 Else Exit For End If Next For x = 1 To l - 1 Dim p2 = Val(Mid(sq_str, x + 1)) If p2 > n Then Continue For End If Dim p1 = Val(Left(sq_str, x)) If p1 > n Then Return False If (p1 + p2) = n Then Return True Next Return False End Function Sub Main() Dim count = 0 Console.WriteLine("Kaprekar numbers below 10000") For n = 1 To max - 1 If Kaprekar(n) Then count = count + 1 If n < 10000 Then Console.WriteLine("{0,2} {1,4}", count, n) End If End If Next Console.WriteLine() Console.WriteLine("{0} numbers below {1} are kaprekar numbers", count, max) End Sub End Module
>>> def k(n): n2 = str(n**2) for i in range(len(n2)): a, b = int(n2[:i] or 0), int(n2[i:]) if b and a + b == n: return n >>> [x for x in range(1,10000) if k(x)] [1, 9, 45, 55, 99, 297, 703, 999, 2223, 2728, 4879, 4950, 5050, 5292, 7272, 7777, 9999] >>> len([x for x in range(1,1000000) if k(x)]) 54 >>>