Online PHP editor | refs for KqtkR

<?php function calledURL(array $urls) { /** Changes array keys to its values and vice versa. */ { $tmp = array(); foreach ($urls as $key => $value) { $tmp[ trim($value, '/') ] = $key; } $urls = $tmp; } $url = parse_url("/parse")[ 'path' ]; $url = preg_match('~/([^/]+)/?$~', $url, $matches) ? $matches[ 1 ] : false; // also trim($s, '/') included if(! $url) { return -1; } return $urls[ $url ]; } echo calledURL([ 'receive', 'parse' ]); var_dump($_SERVER);