/**
* 二维数组去重
*
* @param array $array
* @param string $name
* @return array
*/
function assoc_unique($array , $name){
$arr_id = array();
foreach($array as $k => $v){
$arr_id[$k] = $v[$name];
}
$arr_id = array_unique($arr_id);
foreach($arr_id as $k => $v){
$new_arr[$k] = $array[$k];
}
return $new_arr;
}