$all = array(); $a = array("Horse" = "0", "Dog" = "1", "Cat" = "2"); $b = array("Horse" = "A", "Dog" = "B", "Cat" = "C"); $c = array("Horse" = "A1", "Dog" = "B2", "Cat" = "C3"); $all["123456"]["511"] = $a; $all["123456"]["523"] = $b; $all[$all = array();$a = array("horse" => "0", "dog" => "1", "cat" => "2");$b = array("horse" => "a", "dog" => "b", "cat" => "c");$c = array("horse" => "a1", "dog" => "b2", "cat" => "c3");$all["123456"]["511"] = $a;$all["123456"]["523"] = $b;$all["123456"]["607"] = $c;var_dump($all);
输入：
请教怎样通过一个函数实现根据一个“键名”获取到同级的前一个数组的内容，比如： 输入键名“523” 后返回 键名“511” 的内容。