Online PHP editor | refs for g7cZJ

<?php function a($strUrl) { $strUrl = explode('/', $strUrl, 4); $strUrl[3] = rawurlencode($strUrl[3]); $strUrl[3] = str_replace(array('%2F', '%3F', '%3D', '%26', '%25'), array('/', '?', '=', '&', '%'), $strUrl[3]); $strUrl = implode('/', $strUrl); $strUrl = str_replace('&', '&', $strUrl); return $strUrl; } function b($strUrl) { return htmlspecialchars($strUrl, ENT_XML1, 'UTF-8'); } $urls = array( 'http://www.example.com/', 'http://www.example.com/alias', 'http://www.example.com/alias.html', 'http://www.example.com/alias/page?foo=bar', 'http://www.example.com/alias?foo=bar&bar=foo', 'http://www.example.com:8080/alias', 'http://www.example.com:8080/alias?foo=bar&bar[bar]=foo', 'http://www.example.com/älias', ); foreach ($urls as $url) { if (a($url) === b($url)) { echo "✓\n"; echo $url."\n"; } else { echo "✘\n"; echo $url."\n"; echo a($url)."\n"; echo b($url)."\n"; } echo "\n"; }