摘要： $a = Array ([0] => Array ( [level] => 25 [nick_name] => 王贵)[1] => Array ( [level] => 6 [nick_name] => 张三)[2] => Array ( [level] => 30 [nick_name] => 李四)[3] => Array ( [level] => 25 [nick_name] => 王五)[4] => Array ( [level] => 21 [nick_name] => 六儿)[5] => 阅读全文