//二维数组根据某个字段排序
private function my_sort($arrays, $sort_key, $sort_order = SORT_ASC, $sort_type = SORT_NUMERIC)
{
if (is_array($arrays)) {
foreach ($arrays as $array) {
if (is_array($array)) {
$key_arrays[] = $array[$sort_key];
} else {
return false;
}
}
} else {
return false;
}
array_multisort($key_arrays, $sort_order, $sort_type, $arrays);
return $arrays;
}
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