二维数组根据某键值排序
/**
* @title 二维数组根据某值 排序
* @author lyj [author] [2018-06-28]
* @param [type] $arr [数组]
* @param [type] $keys [键名]
* @param string $type [排序类型]
* @return [type] [description]
*/
function array_sort($arr, $keys, $type = 'asc')
{
$keysvalue = array();
$new_array = array();
foreach ($arr as $k => $v) {
$keysvalue[$k] = $v[$keys];
}
if ($type == 'asc') {
asort($keysvalue);
} else {
arsort($keysvalue);
}
reset($keysvalue);
foreach ($keysvalue as $k => $v) {
$new_array[$k] = $arr[$k];
}
return $new_array;
}