3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = Array ( 0 => "0,1", 1 => "0,0", 2 => "0,2", 3 => "0,3", 4 => "10,2" ); $b = Array ( 0 => "0,1", 1 => "0,0" ); $intersect = array_intersect($a, $b); $keys = array_keys($intersect); If($keys == array_keys($b)){ Echo "they match"; }else{ Echo "don't match"; }

preferences:
24.67 ms | 405 KiB | 5 Q