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<?php $resultsArray = array( array('sort'=>1520546956, 'row'=>'row 0 data'), array('sort'=>1521047928, 'row'=>'row 1 data'), array('sort'=>1520525366, 'row'=>'row 2 data'), array('sort'=>1520525227, 'row'=>'row 3 data') ); usort($resultsArray, function($a, $b) { if ($a['sort'] == $b['sort']) { return 0; } return ($a['sort'] < $b['sort'] ? -1 : 1); }); print_r($resultsArray);