- var_dump: documentation ( source)
- array_values: documentation ( source)
<?php
$indexArray = ['a', 'b', 'c'];
$assocArray = ['a' => 'b', 'b' => 'c', 'd' => 'e'];
var_dump(array_values($indexArray));
var_dump(array_values($assocArray));
if ($indexArray === array_values($indexArray)) {
echo "it works";
}