- var_dump: documentation ( source)
- array_filter: documentation ( source)
<?php
$first = ['', 0, null];
$second = ['', 0, 1];
$firstResult = array_filter($first, function($item) {
return empty($item);
});
$secondResult = array_filter($second, function($item) {
return empty($item);
});
var_dump($firstResult, $secondResult);