3v4l.org

run code in 500+ PHP versions simultaneously
<?php parse_str('1a=1', $result); var_dump($result);
Output for 7.1.25 - 7.1.31, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
array(1) { ["1a"]=> string(1) "1" }
preferences:
128.47 ms | 1503 KiB | 4 Q