/** * 递归根据特定key对数组排序 * @param $data * @param string $orderkey * @param string $sonkey * @param int $orderby * @return mixed */ function recursion_orderby($data, $orderkey = 'order', $sonkey = 'children', $orderby = sort_asc) { $func = function ($value) use ($sonkey, $orderkey, $orderby) { if (isset($value[$sonkey]) && is_array($value[$sonkey])) { $value[$sonkey] = recursion_orderby($value[$sonkey], $orderkey, $sonkey, $orderby); } return $value; }; return array_orderby(array_map($func, $data), $orderkey, $orderby); } $a = [ [ 'order' => 0, ], [ 'order' => -1, 'children' => [ [ 'order' => 0, ], [ 'order' => -2, 'children' => [ ['order' => 0], ['order' => -1], ['order' => 1], ], ], ], ], [ 'order' => 2, ], ]; var_dump(recursion_orderby($a)); /** * 输出： array(3) { [0] => array(2) { 'order' => int(-1) 'children' => array(2) { [0] => array(2) { 'order' => int(-2) 'children' => array(3) { [0] => array(1) { 'order' => int(-1) } [1] => array(1) { 'order' => int(0) } [2] => array(1) { 'order' => int(1) } } } [1] => array(1) { 'order' => int(0) } } } [1] => array(1) { 'order' => int(0) } [2] => array(1) { 'order' => int(2) } } */
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