3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = fopen(__FILE__, 'r'); fseek($fp, __COMPILER_HALT_OFFSET__); $data = str_replace("===", "!==", stream_get_contents($fp)); eval($data); __halt_compiler(); $a = true; if ($a === 1 && $a === 2 && $a === 3) { echo 'YeahhHH!'; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
YeahhHH!
preferences:
100.96 ms | 1934 KiB | 4 Q