3v4l.org

run code in 500+ PHP versions simultaneously
<?php $s = 'Posted On jan 3rd By Some Dude'; var_export(strstr($s, 'By', true));
Output for 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
'Posted On jan 3rd '
preferences:
58.44 ms | 974 KiB | 4 Q