Online PHP editor | output for 3j2T6

@ 2025-11-05T03:32:23Z

<?php

class Solution {

    /**
     * @param Integer[] $nums
     * @param Integer $val
     * @return Integer
     */
    function removeElement(&$nums, $val) {
        $k = 0;
        foreach ($nums as $i => $v) {
            if ($v !== $val) {
               $k++; 
            } else {
                unset($nums[$i]);
            }
        }
        var_dump($k, $nums);
    }
}

(new Solution)->removeElement([3,2,2,3], 3);

Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.15, 8.5.0: Fatal error: Uncaught Error: Solution::removeElement(): Argument #1 ($nums) could not be passed by reference in /in/3j2T6:23 Stack trace: #0 {main} thrown in /in/3j2T6 on line 23
Process exited with code 255.
Output for 8.2.0 - 8.2.29: Fatal error: Uncaught Error: Solution::removeElement(): Argument #1 ($nums) cannot be passed by reference in /in/3j2T6:23 Stack trace: #0 {main} thrown in /in/3j2T6 on line 23
Process exited with code 255.

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