- print_r: documentation ( source)
- array_merge: documentation ( source)
<?php
$defaults = array(
'lang' => 'de',
'be' => 11,
'ce' => 16
);
$given = array(
'lang' => '',
'be' => 12,
'asas'=> 'basas'
);
$a = array_merge($given, $defaults);
$b = array_merge($defaults, $a);
print_r($b);