Untitled

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index.php
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>

<div id="tmp">
    <input type="text" id="slug" placeholder="slug do anime" value="shingeki-no-kyojin">
    <input type="text" id="count" placeholder="número de eps" value="36">
    <button type="button" id="processar">Processar</button>
    <ul id="list-eps">

    </ul>
</div>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">
    var api = {};
    api.grab_gid = function(uri){
        $.ajax({
            url: 'api.php',
            method: 'post',
            async: false,
            data: {
                action: 'download',
                url: uri
            },
            success: function(data){
                window.episodios.push(data);
                var index = window.episodios.length;
                $('#list-eps').append('<li>Ep ' + index + ': <a href="' + data + '" target="_blank">' + data + '</a></li>');
            },
            error: function(data){
                console.log(data);
            }
        });
    }


    // DOM: On Ready
    $(document).ready(function(){

        // Ação ao clicar em "Processar"
        $(document).on('click', '#processar', function(){
            var slug = $('#slug').val();
            var count = $('#count').val();
            window.episodios = [];

            var index = 1;
            function grab(){
                api.grab_gid('https://www.superanimes.site/anime/' + slug + '/episodio-' + index + '/baixar');
                console.log('Ep ' + index + ': capturado!');
                if (index++ < count) setTimeout(grab, 500);
                if (index >= count && window.episodios.length == count){
                    console.log('Grab finalizado!');
                    console.log(window.episodios);
                }
            }
            grab();
        });
    });
</script>

</body>
</html>

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api.php
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<?php

function returnJSON($content = null, $code = 200){
  header('Cache-Control: no-cache, must-revalidate');
  header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
  header('Content-type: application/json');
  $status = array(
    200 => '200 OK',
    400 => '400 Bad Request',
    422 => '422 Unprocessable Entity',
    500 => '500 Internal Server Error'
  );
  header('Status', true, (in_array($code, $status)) ? $code : 500);
  echo json_encode($content);
  exit(0);
}

if(isset($_POST['action']) && $_POST['action'] == "download"){

    $html = file_get_contents($_POST['url']);
    $g_id = base64_decode(explode('&token=', explode('https://www.superanimes.site/download.php?file=', $html)[1])[0]);
    $g_url = "https://www.blogger.com/video-play.mp4?contentId={$g_id}";
    returnJSON($g_url, 200);
}

if(isset($_POST['action']) && $_POST['action'] == "count"){

    $html = file_get_contents($_POST['url']);
    $count = explode('</span>', explode('<span itemprop="numberofEpisodes">', $html)[1])[0];
    returnJSON($count, 200);
}

?>