3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = ['keepThis', 'remove', false, 'keep', 'save', 'delete']; $array2 = ['hangOnto', 'remove', null, 'retain', 'keep', 'delete']; var_export([ array_diff_assoc($array1, $array2), array_diff_assoc($array2, $array1) ]);

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