mun.php

<?php
header('Content-Type: application/json');


$municipios = [
  [
    "nome" => "São Paulo",
    "uf" => "SP",
    "url" => "https://www.saopaulo.sp.gov.br"
  ],
  [
    "nome" => "Rio de Janeiro",
    "uf" => "RJ",
    "url" => "https://www.riodejaneiro.rj.gov.br"
  ]
];

echo json_encode($municipios);
?>