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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
    <title>Ajax Image upload</title>
  </head>
  <body>


 <div class="container-fluid p-5">

    <ul class="nav nav-pills">
        <li class="nav-item">
          <a class="nav-link active" href="jquery-image-upload.php">JQuery Image upload</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="jquery-multiple-image-upload.php">JQuery multiple Images upload</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="index.php">Image upload</a>
        </li>
    </ul>

<br>

  <div class="text-center"><h3>JQuery Image upload</h3></div>
  <hr>

  <div class="row p-2">

    <div class="col-sm border p-2 m-2 rounded">
      <form action="" method="post" enctype="multipart/form-data" id="img_upload_form">

        <div class="form-group">
            <input type="file" class="form-control-file" name="file_image" id="file_image">
        </div>

        <button type="submit" class="btn btn-primary btn-sm">upload</button>

      </form>
    </div>


    <div class="col-sm border p-2 m-2 rounded">
      <div id="uploaded_images_preview"></div>
    </div>

  </div>
<hr>
<div style="background: #f0f3f3; overflow:auto;width:auto;border: 1px solid #ced4da;padding:5px;"><pre style="margin: 0; line-height: 125%"><span style="color: #330099">&lt;script </span><span style="color: #330099">src=</span><span style="color: #CC3300">&quot;https://code.jquery.com/jquery-3.5.1.min.js&quot;</span><span style="color: #330099;">&gt;&lt;/script&gt;</span>
</pre></div>

<br>

<div style="background: #f0f3f3; overflow:auto;width:auto;border: 1px solid #ced4da;padding:5px;"><pre style="margin: 0; line-height: 125%"><span style="color: #330099;">&lt;form</span> <span style="color: #330099">action=</span><span style="color: #CC3300">&quot;&quot;</span> <span style="color: #330099">method=</span><span style="color: #CC3300">&quot;post&quot;</span> <span style="color: #330099">enctype=</span><span style="color: #CC3300">&quot;multipart/form-data&quot;</span> <span style="color: #330099">id=</span><span style="color: #CC3300">&quot;img_upload_form&quot;</span><span style="color: #330099;">&gt;</span>
    <span style="color: #330099;">&lt;div</span> <span style="color: #330099">class=</span><span style="color: #CC3300">&quot;form-group&quot;</span><span style="color: #330099;">&gt;</span>
        <span style="color: #330099;">&lt;input</span> <span style="color: #330099">type=</span><span style="color: #CC3300">&quot;file&quot;</span> <span style="color: #330099">class=</span><span style="color: #CC3300">&quot;form-control-file&quot;</span> <span style="color: #330099">name=</span><span style="color: #CC3300">&quot;file_image&quot;</span> <span style="color: #330099">id=</span><span style="color: #CC3300">&quot;file_image&quot;</span><span style="color: #330099;">&gt;</span>
    <span style="color: #330099;">&lt;/div&gt;</span>
    <span style="color: #330099;">&lt;button</span> <span style="color: #330099">type=</span><span style="color: #CC3300">&quot;submit&quot;</span> <span style="color: #330099">class=</span><span style="color: #CC3300">&quot;btn btn-primary btn-sm&quot;</span><span style="color: #330099;">&gt;</span>upload<span style="color: #330099;">&lt;/button&gt;</span>
<span style="color: #330099;">&lt;/form&gt;</span>
</pre></div>

<br>


<div style="background: #f0f3f3; overflow:auto;width:auto;border: 1px solid #ced4da;padding:5px;"><pre style="margin: 0; line-height: 125%">$(<span style="color: #006699;">function</span>() {

    $(<span style="color: #CC3300">&quot;#img_upload_form&quot;</span>).on(<span style="color: #CC3300">&quot;submit&quot;</span>, <span style="color: #006699;">function</span>() {
        event.preventDefault();

        <span style="color: #006699;">var</span> fd <span style="color: #555555">=</span> <span style="color: #006699;">new</span> FormData();
        <span style="color: #006699;">var</span> files <span style="color: #555555">=</span> $(<span style="color: #CC3300">&#39;#file_image&#39;</span>)[<span style="color: #FF6600">0</span>].files[<span style="color: #FF6600">0</span>];
        fd.append(<span style="color: #CC3300">&#39;file_image&#39;</span>,files);

        <span style="color: #006699;">if</span> (files <span style="color: #555555">==</span> <span style="color: #006699;">undefined</span>) {
            alert(<span style="color: #CC3300">&#39;Plese select a image&#39;</span>);
            <span style="color: #006699;">return</span> <span style="color: #006699;">false</span>;
        }
        $(<span style="color: #CC3300">&quot;#uploaded_images_preview&quot;</span>).html(<span style="color: #CC3300">&#39;&lt;div class=&quot;text-center m-2&quot;&gt;loading...&lt;/div&gt;&#39;</span>);

        $.ajax({
            url<span style="color: #555555">:</span> <span style="color: #CC3300">&#39;upload.php&#39;</span>,
            type<span style="color: #555555">:</span> <span style="color: #CC3300">&quot;POST&quot;</span>,
            data<span style="color: #555555">:</span> fd,
            contentType<span style="color: #555555">:</span> <span style="color: #006699;">false</span>,
            cache<span style="color: #555555">:</span> <span style="color: #006699;">false</span>,
            processData<span style="color: #555555">:</span> <span style="color: #006699;">false</span>,
            dataType<span style="color: #555555">:</span> <span style="color: #CC3300">&quot;json&quot;</span>,
            success <span style="color: #555555">:</span> <span style="color: #006699;">function</span>(data) {
                <span style="color: #006699;">if</span> (data.status <span style="color: #555555">==</span> <span style="color: #CC3300">&#39;success&#39;</span>) {

                    <span style="color: #006699;">var</span> img <span style="color: #555555">=</span> <span style="color: #CC3300">&#39;&lt;div class=&quot;text-center&quot;&gt;&#39;</span><span style="color: #555555">+</span>

                    <span style="color: #CC3300">&#39;&lt;img class=&quot;img-thumbnail&quot; src=&quot;&#39;</span><span style="color: #555555">+</span>(data.image_data.thumb <span style="color: #555555">==</span> <span style="color: #CC3300">&quot;&quot;</span> <span style="color: #555555">?</span> data.image_data.url <span style="color: #555555">:</span> data.image_data.thumb)<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&quot; alt=&quot;demo image&quot;&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;&lt;/div&gt;&#39;</span><span style="color: #555555">+</span>

                    <span style="color: #CC3300">&#39;&lt;div class=&quot;card-body text-left&quot;&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Name      : &#39;</span><span style="color: #555555">+</span>data.image_data.name<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Type      : &#39;</span><span style="color: #555555">+</span>data.image_data.type<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Size      : &#39;</span><span style="color: #555555">+</span>data.image_data.size_format<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Size byte : &#39;</span><span style="color: #555555">+</span>data.image_data.size<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Width     : &#39;</span><span style="color: #555555">+</span>data.image_data.width<span style="color: #555555">+</span><span style="color: #CC3300">&#39;px&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Height    : &#39;</span><span style="color: #555555">+</span>data.image_data.height<span style="color: #555555">+</span><span style="color: #CC3300">&#39;px&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;    &lt;pre&gt;Thumb      : &#39;</span><span style="color: #555555">+</span>data.image_data.thumb<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;   &lt;pre&gt;URL       : &#39;</span><span style="color: #555555">+</span>data.image_data.url<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/pre&gt;&#39;</span><span style="color: #555555">+</span>
                    <span style="color: #CC3300">&#39;&lt;/div&gt;&#39;</span>;

                    $(<span style="color: #CC3300">&quot;#uploaded_images_preview&quot;</span>).html(img);


                }<span style="color: #006699;">else</span>{

                    $(<span style="color: #CC3300">&quot;#uploaded_images_preview&quot;</span>).html(<span style="color: #CC3300">&#39;&lt;div class=&quot;alert alert-danger&quot; role=&quot;alert&quot;&gt;&#39;</span><span style="color: #555555">+</span>data.msg<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/div&gt;&#39;</span>);
                }
                $(<span style="color: #CC3300">&#39;#file_image&#39;</span>).val(<span style="color: #CC3300">&#39;&#39;</span>);
            },
            error <span style="color: #555555">:</span> <span style="color: #006699;">function</span>(xhr) {
                $(<span style="color: #CC3300">&quot;#uploaded_images_preview&quot;</span>).html(<span style="color: #CC3300">&#39;&lt;div class=&quot;alert alert-danger&quot; role=&quot;alert&quot;&gt;error &#39;</span><span style="color: #555555">+</span>xhr.status<span style="color: #555555">+</span> <span style="color: #CC3300">&quot; &quot;</span><span style="color: #555555">+</span>xhr.statusText<span style="color: #555555">+</span><span style="color: #CC3300">&#39;&lt;/div&gt;&#39;</span>);
            }
        })
    });
});
</pre></div>


</div>

<script src="./js/jquery-3.5.1.min.js"></script>
<script>
    $(function() {

        $("#img_upload_form").on("submit", function() {
            event.preventDefault();

            var fd = new FormData();
            var files = $('#file_image')[0].files[0];
            fd.append('file_image',files);

            if (files == undefined) {
                alert('Plese select a image');
                return false;
            }
            $("#uploaded_images_preview").html('<div class="text-center m-2">loading...</div>');

            $.ajax({
                url: 'upload.php',
                type: "POST",
                data: fd,
                contentType: false,
                cache: false,
                processData: false,
                dataType: "json",
                success : function(data) {
                    if (data.status == 'success') {

                        var img = '<div class="text-center">'+

                        '<img class="img-thumbnail" src="'+(data.image_data.thumb == "" ? data.image_data.url : data.image_data.thumb)+'" alt="demo image" style="max-width: 200px;">'+
                        '</div>'+

                        '<div class="card-body text-left">'+
                        '    <pre>Name      : '+data.image_data.name+'</pre>'+
                        '    <pre>Type      : '+data.image_data.type+'</pre>'+
                        '    <pre>Size      : '+data.image_data.size_format+'</pre>'+
                        '    <pre>Size byte : '+data.image_data.size+'</pre>'+
                        '    <pre>Width     : '+data.image_data.width+'px</pre>'+
                        '    <pre>Height    : '+data.image_data.height+'px</pre>'+
                        '    <pre>Thumb      : '+data.image_data.thumb+'</pre>'+
                         '   <pre>URL       : '+data.image_data.url+'</pre>'+
                        '</div>';
                        $("#uploaded_images_preview").html(img);


                    }else{

                        $("#uploaded_images_preview").html('<div class="alert alert-danger" role="alert">'+data.msg+'</div>');
                    }
                    $('#file_image').val('');
                },
                error : function(xhr) {
                    $("#uploaded_images_preview").html('<div class="alert alert-danger" role="alert">error '+xhr.status+ " "+xhr.statusText+'</div>');
                }
            })
        });
    });

</script>
  </body>
</html>