Online PHP editor | refs for HWZ80

<?php function remove_index_etc($url) { echo preg_match('/[\?#]/',$url); $isLastCharPattern = substr($url,-1) == "*"; if ($isLastCharPattern && preg_match('/[\?#]/',$url)) { $url = preg_replace('/^(.*)(?:\/(?:home|default|index)\..{3,4})([\?\/#\*]+.*)?$/i', "$1$4", $url); } elseif($isLastCharPattern) { $url = preg_replace('/^(.*)(\/(?:home|default|index)\..{3,4})([\?\/#\*]+.*)*$/i', "$1($2)?$3", $url); } else { $url = preg_replace('/^(.*)(?:\/(?:home|default|index)\..{3,4})([\?\/#\*]+.*)*$/i', "$1$2", $url); } return $url; } echo remove_index_etc("http://a.com/index.html") . PHP_EOL; echo remove_index_etc("http://a.com/index.html*"). PHP_EOL; echo remove_index_etc("http://a.com/index.html/*"). PHP_EOL; echo remove_index_etc("http://a.com/index.html?a=1"). PHP_EOL; echo remove_index_etc("http://a.com/index.html?a=1*"). PHP_EOL; echo remove_index_etc("http://a.com/*"). PHP_EOL; echo remove_index_etc("http://a.com/index.html/?a=1*"). PHP_EOL; echo remove_index_etc("http://a.com/index.html#a=1*"). PHP_EOL; echo remove_index_etc("http://a.com#index.html?a=1"). PHP_EOL; echo remove_index_etc("http://a.com#index.html?a=1*"). PHP_EOL;