数组 php array_multisort处理

$money = array ( 0 =>array ( 'money' => '21', 'time' => '2012-10-18', ), 1 =>array ( 'money' => '28', 'time' => '2012-10-17', ), 2 =>array ( 'money' => '92', 'time' => '2012-10-16', ), 3 =>array ( 'money' => '428', 'time' => '2012-10-15', ), 4 =>array ( 'money' => '776', 'time' => '2012-10-14',), 5 =>array ( 'money' => '298', 'time' => '2012-10-13',), 7 =>array ( 'money' => '112', 'time' => '2012-10-11',), 8 =>array ( 'money' => '199', 'time' => '2012-10-10',), ); $money2 = array ( 0 =>array ( 'gamemoney' => '2', 'time' => '2012-10-16',), 1 =>array ( 'gamemoney' => '50', 'time' => '2012-10-13',), 2 =>array ( 'gamemoney' => '75', 'time' => '2012-10-12',), ); require('Debug.php' ); foreach ($money as &$val ){ $val['gamemoney']=''; } foreach ($money2 as & $val2){ $val2['money']=''; } $times=array (); foreach ($money as $key => $val3){ array_push($times,$val3['time']); } foreach ($money2 as $key => $val4){ if (in_array( $val4[ 'time'], $times)){ $money_key = array_search( $val4[ 'time'], $times); $money[$money_key ]['gamemoney' ] = $val4 ['gamemoney' ]; }else{ array_push($money, array( 'gamemoney'=> $val4[ 'gamemoney'], 'time'=> $val4[ 'time'], 'money'=> '') ); } } foreach($money as $aaaaa){ $timeaa[]=$aaaaa['time']; } array_multisort($timeaa,SORT_DESC, $money); Zend_Debug::dump ($money );