Online PHP editor | refs for WMc9U

@ 2019-06-27T11:21:24Z

<?php
$arr1 = array("1","3","4","6");
$arr2 = array("2","3","4","5","7");

foreach($arr1 as $k => $v){
    foreach($arr2 as $k1 => $v1){
        if($v == $v1){
            unset($arr1[$k]);break;
        }
    }
}
print_r($arr1);