3v4l.org

run code in 500+ PHP versions simultaneously
<?php $queryStrings = [ 'cheese=french', 'pizza=large&cheese=french', 'cheese=french&pizza=small', 'cheese=italian', ]; var_export( array_map( function($qs) { parse_str($qs, $result); ksort($result); return http_build_query($result); }, $queryStrings ) );
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => 'cheese=french', 1 => 'cheese=french&pizza=large', 2 => 'cheese=french&pizza=small', 3 => 'cheese=italian', )
preferences:
73.67 ms | 1145 KiB | 4 Q