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<?php $mainArray = array( 0 =>array( "key1" => array(7,4,5), 'key2' => array('cc','aa') ) ); foreach($mainArray as $secondArray){ foreach($secondArray as $array){ array_multisort($array); } } var_dump($mainArray);

This is an error 500

Value for `_results` contains invalid data `array`


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