2018-01-05:数组多条件排序

$array = array('... ...');

// sort 升排序 time 降排序

$sort = array ();

$time = array ();

foreach ($array as $k => $v) {

        $sort [$k] = $v ['sort'];

        $time [$k] = $v ['add_time'];

 }

 array_multisort( $sort, SORT_ASC, $time, SORT_DESC, $array );

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