3v4l.org

run code in 300+ PHP versions simultaneously
<?php $query = @$_SERVER['QUERY_STRING']; $basicurl = 'ABC://'; $finalurl = ''; $separator = (parse_url($basicurl, PHP_URL_QUERY) == NULL) ? '?' : '&'; $finalurl .= $separator . $query; header('Location: '.$finalurl);
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.2
Warning: parse_url(ABC://): Unable to parse URL in /in/dRllf on line 7 Warning: Cannot modify header information - headers already sent by (output started at /in/dRllf:7) in /in/dRllf on line 10
Output for 5.2.0 - 5.2.2
Warning: parse_url(ABC://): Unable to parse URL in /in/dRllf on line 7
Output for 5.1.2 - 5.1.6
Warning: parse_url(ABC://): Unable to parse url in /in/dRllf on line 7
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Notice: Use of undefined constant PHP_URL_QUERY - assumed 'PHP_URL_QUERY' in /in/dRllf on line 7 Warning: parse_url() expects exactly 1 parameter, 2 given in /in/dRllf on line 7

preferences:
261.42 ms | 402 KiB | 353 Q