HTTP Request Bin

## requestbin.php
<?php
/**
 * RequestBin - Captures and displays HTTP requests
 * @author adrian7
 * @version 1.1
 */

//TODO (1) Parse request data in a nice way
//TODO (2) Alternative nice display alongside raw

$method     = $_SERVER['REQUEST_METHOD'];

function extract_data($contentType, $raw=TRUE){

    $data   = file_get_contents('php://input');
    $parsed = NULL;

    mb_parse_str($data, $parsed);

    if( $raw )
        //just return raw data
        return strval( $data );

    $contentType = @explode($contentType, ';');
    $contentType = strtolower( $contentType[0] );

    var_dump( $parsed );

}

function parse_request_headers() {

    $headers = [];

    foreach($_SERVER as $key => $value) {
        if ( substr($key, 0, 5) <> 'HTTP_' ) {
            continue;
        }

        $header           = str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))));
        $headers[$header] = $value;
    }

    return $headers;
}

function get_http_request(){

    $data = extract_data( NULL );

    $lines = ( $_SERVER['REQUEST_METHOD'] );
    $lines.= (' ' . $_SERVER['REQUEST_URI'] );
    $lines.= (' ' . $_SERVER['SERVER_PROTOCOL'] . PHP_EOL );

    $headers = parse_request_headers();

    if( count($headers) ) foreach ($headers as $name=>$value)
        $lines.= ( PHP_EOL . $name . ': ' . strval($value) );

    if( $data ) {
        $lines.= ( PHP_EOL . PHP_EOL );
        $lines.= $data;
    }

    return trim($lines);

}

?>
<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>

    <meta name="credits" content="https://www.studentmoneysaver.co.uk/team/"/>
    <meta name="description" content="We specialise in student discounts, deals & free stuff, as well as ways to make money quickly. Plus, everything you need to know about student finance, made simple."/>
    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>

</head>
<body>

<div class="container">

    <div class="row header">
        <div class="col-lg-12">
            <h1><i class="fa fa-trash-o"></i> HTTP Request Bin</h1>
        </div>
    </div>

    <hr/>

    <div class="row">
        <div class="col-lg-12">

            <h3>
                Received <strong><?php echo $_SERVER['REQUEST_METHOD']; ?></strong> request from

                <?php
                if( isset($_SERVER['HTTP_REFERER']) )
                    echo $_SERVER['HTTP_REFERER'];
                else
                    echo "self";
                ?>

            </h3>

            <br/>

            <pre style="font-size: 1em;"><?php echo get_http_request(); ?></pre>

        </div>
    </div>
</div>

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" property="stylesheet" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous"/>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet" property="stylesheet" integrity="sha384-T8Gy5hrqNKT+hzMclPo118YTQO6cYprQmhrYwIiQ/3axmI1hQomh7Ud2hPOy8SP1" crossorigin="anonymous">
<style media="screen" type="text/css" scoped>
    @import url('https://fonts.googleapis.com/css?family=Fira+Sans:400,700,400italic,700italic');

    body{
        background: #eaeaea;
        color: #0e0803;
        font-family: 'Fira Sans', Arial, Helvetica, sans-serif;
        font-size: 2em;
    }

    .alert{
        color: #0e0803;
    }
</style>

</body>
</html>