Online PHP editor | refs for SZWhi

<?php function isIndexNormalized($array){ $array[] = 'aux'; return (array_key_last($array) + 1) === count($array); } // ------- $array = [0, 1, 2, 3]; unset($array[3]); var_dump(isIndexNormalized($array)); $array[] = "x"; var_dump([0, 1, 2, "x"] === $array, $array); echo "\n\n\n\n"; // ------- $array = [0, 1, 2]; var_dump(isIndexNormalized($array)); $array[] = "x"; var_dump([0, 1, 2, "x"] === $array, $array);