- var_dump: documentation ( source)
- print_r: documentation ( source)
<?php
$a = array("apple", "banana");
$b = array(1 => "banana", "0" => "apple");
var_dump($a == $b); // bool(true)
var_dump($a === $b); // bool(false)
print_r($a,true);
print_r($b,true);
?>