Online PHP editor | output for XaSUK

<?php // Everything you enter here will be executed by our servers. Try it! function smartUrlEncode($url) { if (strpos($url, '=') === false) { return $url; } else { $startpos = strpos($url, "?"); $tmpurl = substr($url, 0, $startpos + 1); $qryStr = substr($url, $startpos + 1); $qryvalues = explode("&", $qryStr); foreach ($qryvalues as $value) { $buffer = explode("=", $value); $buffer[1] = urlencode($buffer[1]); } $finalqrystr = implode("&", &$qryvalues); $finalURL = $tmpurl . $finalqrystr; return $finalURL; } } echo smartUrlEncode('index.php?r=1&t=4&e=1');