- var_dump: documentation ( source)
- array_fill: documentation ( source)
- array_replace_recursive: documentation ( source)
<?php
$a = array(array('name' => 'Joe'), array('name' => 'Noe'));
var_dump($a);
$b = array_fill('0', count($a), array('insert_stamp' => 10));
var_dump(array_replace_recursive($a, $b));