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@ 2014-01-09T07:15:36Z

<?php

$mainArray = array(
    0 =>array(
        "key1" => array(7,4,5),
        'key2' => array('cc','aa')
    )
);

foreach($mainArray as $secondIndex=>$secondArray){
    foreach($secondArray as $index=>$array){
	    $secondArray[$index] = array_multisort($array);
    }
    $mainArray[$secondIndex] = $secondArray;
}

var_dump($mainArray);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_multisort: documentation ( source)

preferences:dark modelive preview

59.54 ms | 402 KiB | 5 Q