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@ 2013-04-19T07:50:04Z

<?php
	function append(array $init, array $add, $key = null)
        {
            $_init = $init;
            if (is_null($key))
                $_init[] = $add;
            else
                $_init[$key] = $add;
            return array_merge($init, $_init);
        }

$a = [
	'phone' => [
		'code' => '+38',
    ],
];
$b = [
    'prefix' => '095',
    'number' => '7700418',
];
var_dump(append($a, $b, 'phone'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive preview

36.58 ms | 402 KiB | 5 Q