Simple PHP Proxy Script

proxy.php

<?

/**
 * A simple PHP proxy.
 * Based on https://gist.github.com/iovar/9091078
 * Modified by Wowfunhappy
 * 
 * Usage: http://path/to/proxy.php?example.com
 */

$url = $_SERVER["QUERY_STRING"];
if ((substr($url, 0, 7) !== 'http://') && (substr($url, 0, 8) !== 'https://'))
{
	$url = 'http://' . $url;
}

$method = $_SERVER['REQUEST_METHOD'];
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_URL, $url);

if( $method !== "GET") {
	curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
}
if( $method == "PUT" || $method == "PATCH" || ($method == "POST" && empty($_FILES))) {
	$data_str = file_get_contents('php://input');
	curl_setopt($ch, CURLOPT_POSTFIELDS, $data_str);
}
elseif($method == "POST") {
	$data_str = array();
	if(!empty($_FILES)) {
			foreach ($_FILES as $key => $value) {
			$full_path = realpath( $_FILES[$key]['tmp_name']);
			$data_str[$key] = '@'.$full_path;
		}
	}
	curl_setopt($ch, CURLOPT_POSTFIELDS, $data_str+$_POST);
}

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_ENCODING, '');

$headers = getallheaders();
$headers_str = [];
foreach ( $headers as $key => $value){
	if($key == 'Host')
		continue;
	$headers_str[]=$key.":".$value;
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers_str );

$result = curl_exec($ch);
$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
curl_close($ch);

header('Content-Type: ' . $content_type);

echo $result;

?>