PHP Interactive Mode (not secure)

run.php

<?php
function error($e) 
{ 
    switch($e['type']) 
    { 
        case E_ERROR: // 1 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-code icon-cog"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_WARNING: // 2 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-code icon-cog"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_PARSE: // 4 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-parse icon-refresh"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_NOTICE: // 8 // 
            return '<div class="alert alert-notice"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-code icon-cog"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_CORE_ERROR: // 16 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-core icon-heart"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_CORE_WARNING: // 32 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-core icon-heart"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_CORE_ERROR: // 64 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-compile"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_CORE_WARNING: // 128 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-compile"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_USER_ERROR: // 256 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-user"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_USER_WARNING: // 512 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-user"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_USER_NOTICE: // 1024 // 
            return '<div class="alert alert-notice"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-user"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_STRICT: // 2048 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-strict icon-indent-left"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_RECOVERABLE_ERROR: // 4096 // 
            return '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-recoverable icon-share-alt"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_DEPRECATED: // 8192 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-depricated icon-time"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
        case E_USER_DEPRECATED: // 16384 // 
            return '<div class="alert alert-warning"><a class="close" data-dismiss="alert" href="#">&times;</a><p><i class="icon-user-depricated icon-user"></i>'.$e['message'].' on line '.$e['line'].'</p></div>'; 
    }
    return ""; 
}
if(@$s=@$_GET['s']?$_GET['s']:@$_POST['s'] && @$_POST || (@$_GET && @$_GET['embeded']) ){
    //require_once 'ChromePhp.php';
    if(!$r = eval ("?>$s")){
        $e = error_get_last();
        echo error($e);
    };
}else{?>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="http://iegik.github.com/css/code.css">
<div class="container">
    <h1>PHP interpretator</h1>
    <textarea id="source" class="php" placeholder="&lt;?='Enter PHP code here';" cols="80" rows="25" style="width:100%;font-family: monospace;"></textarea>
    <hr/>
    <div id="result">Result will appear here</div>
    <hr/>
    <pre id="code"><span class="js-comment">/* Hightlited code will appear here */</span></pre>
</div>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<script src="http://iegik.github.com/js/hightlighter.min.js"></script>
<script>
    $(function () {
        String.prototype.escape = function () {
            return this
                .replace(/&/g, "&amp;")
                .replace(/</g, "&lt;")
                .replace(/>/g, "&gt;")
            ;
        }
        $('#source').on('change', function () {
            s = $(this).val()
            $("#code").html(s.escape().hightlight());
            $.get(document.location.pathname + document.location.search, {
                "s": s
            }, function (d) {
                $("#result").html(d);
            });
        });
    });
</script>
<?php }?>