php二维数组应用举例-根据条件取数据

php二维数组应用举例-根据条件取数据，假如数组$point_arr(如下)，请取出 user_id = 3的那一行数组。

php二维数组应用举例-根据条件取数据，假如数组$point_arr(如下)，请取出 user_id = 3的那一行数组。 1,"id"=>1,"point"=>2), array("id"=>2,"id"=>3,"point"=>2), array("id"=>3,"id"=>3,"point"=>2), array("id"=>4,"id"=>3,"point"=>2), ); for($i = 0;$i "; } ?>