Online PHP editor | refs for RDQY6

<?php $array1 = ["", "", "3", "", "5", "", ""]; $array2 = ["URD", "ISL"]; foreach($array1 as $id => $a1){ //for each item in array 1 if($a1){ //if the array 1 item has a value $array1[$id] = array_shift($array2); //replace it with an item from array 2 } if(empty($array2)){ //if there are no more values left to share in array 2, stop break; } } var_dump($array1);