3v4l.org

run code in 500+ PHP versions simultaneously
<?php $test = "foo\r\nbar"; var_dump(preg_match_all('/^foo$/m', $test)); var_dump(preg_match_all('/(*ANYCRLF)^foo$/m', $test));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
int(0) int(1)
preferences:
32.22 ms | 1140 KiB | 4 Q