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@ 2014-10-06T11:37:43Z

<?php

$array1 = array(
	'group 1' => array(
		'test 1',
		'test 2',
		'test 3'
	)
);

$array2 = array(
	'group 1' => array(
		'test 1',
		'test 4'
	),
	'group 2' => array(
		'test2 1',
		'test2 2',
		'test 4'
	)
);

$merged = array_merge($array1, $array2);

print_r($merged, true);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive preview

44.66 ms | 402 KiB | 5 Q