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"; ?>
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
+123456 equal 123456 1 +123456 strcmp 123456 0
preferences:
231.58 ms | 403 KiB | 297 Q