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@ 2013-12-25T02:23:12Z

<?php

$res1 = array(
	array('a'=>'aa','b'=>'bb'),
	array('a'=>'aaa','b'=>'bbb')
	);


$res2 = array(
	array('a'=>'a','b'=>'b')
	); 

$res3 = $res1 + $res2;

var_dump($res3);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

47.47 ms | 402 KiB | 5 Q