PHP - array_walk_recursive() 函数

语法

array_walk_recursive( $array, $funcname [,$parameter])

定义和用法

array_walk_recursive() 函数将用户自定义函数应用于数组中的每个元素。数组的键和值都是函数的参数。

参数

示例

尝试以下示例：

<?php
   function call_back_function($value,$key) {
      echo "The key $key has the value $value \n";
   }
   
   $input1 = array("a"=>"green", "b"=>"brown", "c"=>"blue" );
   $input2 = array($input1, "d"=>"yellow", "e"=>"black");
   
   array_walk_recursive($input2,"call_back_function");
?> 

这将产生以下结果：

The key a has the value green
The key b has the value brown
The key c has the value blue
The key d has the value yellow
The key e has the value black