- var_dump: documentation ( source)
- array_shift: documentation ( source)
<?php
$data = array(
'id_rating_review' => 'foo',
);
$first = array_shift($data);
#var_dump($first);
# var_dump(isset(
# $first['id_rating_review']
# ));
$string = 'string';
var_dump($string[0]);
var_dump(isset($string['foo']));
var_dump($string['foo']);