Online PHP editor | refs for cHBhb

<?php $arr = array(1); $a =& $arr[0]; //$a and $arr[0] are in the same reference set $arr2 = $arr; //not an assignment-by-reference! $arr2[0]++; /* $a == 2, $arr == array(2) */ /* The contents of $arr are changed even though it's not a reference! */ var_dump($a); var_dump($arr);