PHP数组递归排序实现方法示例_php技巧_

 /** * 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) } } */