1--TEST-- 2list() with undefined keys 3--FILE-- 4<?php 5 6$contrivedMixedKeyTypesExample = [ 7 7 => "the best PHP version", 8 "elePHPant" => "the cutest mascot" 9]; 10 11list(5 => $five, "duke" => $duke) = $contrivedMixedKeyTypesExample; 12 13var_dump($five, $duke); 14 15?> 16--EXPECTF-- 17Warning: Undefined array key 5 in %s on line %d 18 19Warning: Undefined array key "duke" in %s on line %d 20NULL 21NULL 22