- array_diff_assoc: documentation ( source)
- var_dump: documentation ( source)
- array_udiff_assoc: documentation ( source)
- array_diff: documentation ( source)
<?php
$a = ['a' => null];
$b = ['a' => false];
var_dump(array_diff($a, $b));
var_dump(array_diff_assoc($a, $b));
var_dump(array_udiff_assoc($a, $b, function ($a, $b) {
return $a === $b;
}));