Online PHP editor | refs for iAGg4

@ 2021-11-04T14:24:03Z

<?php

error_reporting(E_ALL);

$not_array = false;

// Case #1, incorrect: only 'PHP Warning:  Undefined array key "nonexistant"' is logged
echo (array_key_exists($_REQUEST['nonexistant'], $not_array) ? "yes" : "no");