- var_dump: documentation ( source)
- array_merge: documentation ( source)
<?php
function m() {
$args = func_get_args();
call_user_func_array('array_merge', $args);
}
$a1 = array('hi'=>'there');
$a2 = array('world' => 'view');
$b=m($a1,$a2);
var_dump($b);