3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0e12345678"; $b = "0e23456789"; var_dump($a == $b); var_dump($a === $b);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
bool(true) bool(false)

preferences:
135.41 ms | 404 KiB | 185 Q