3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4]; $b = [1,2,3,4, 55 => 5]; unset($b[55]); $a[] = 5; $b[] = 5; var_dump($a, $b); assert($a === $b);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
156.86 ms | 2253 KiB | 12 Q