3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [0 => 1, 1 => 2, 2 => 3]; $b = [0 => 1, 2 => 3, 1 => 2]; echo '$a == $b: ', ($a == $b ? 'TRUE' : 'FALSE'), PHP_EOL; echo '$a === $b: ', ($a === $b ? 'TRUE' : 'FALSE'), PHP_EOL;
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
$a == $b: TRUE $a === $b: FALSE
preferences:
173.99 ms | 408 KiB | 5 Q