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<?php $events = array(); $events['event'][] = array(1 => 'e'); $events['event'][] = array(1 => 'b'); $toSort = $events['event']; asort($toSort); var_dump($toSort);
Output for 4.3.0 - 7.2.0
array(2) { [1]=> array(1) { [1]=> string(1) "b" } [0]=> array(1) { [1]=> string(1) "e" } }