3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s1 = '+123456'; $s2 = '123456'; echo '+123456 equal 123456 '.($s1 == $s1)."\n"; echo '+123456 strcmp 123456 '.(strcmp($s1, $s1))."\n"; ?>

preferences:
66.85 ms | 402 KiB | 5 Q