PHP array_merge_recursive()函数 (PHP array_merge_recursive() function)

array_merge_recursive() function is used to merge two or more arrays, it returns a new array with merged elements. The only difference between array_merge() and array_merge_recursive() function is: "It merges the values having the same key as an array instead of overriding the values."

array_merge_recursive()函数用于合并两个或多个数组，它返回一个具有合并元素的新数组。 “ array_merge()和array_merge_recursive()函数之间的唯一区别是： “它合并与数组具有相同键的值，而不是覆盖这些值。”

Syntax:

句法：

    array_merge_recursive(array1, array2,...);

It accepts two or more arrays and returns a new array with merged elements.

它接受两个或多个数组，并返回带有合并元素的新数组。

Examples:

例子：

    Input:
$arr1 = array("a" => "Hello", "b" => "Hi");
$arr2 = array("a" => "Okay!", "d" => "Nothing");
Output:
Array
(
[a] => Array  
(
[0] => Hello 
[1] => Okay! 
)
[b] => Hi
[d] => Nothing
)

PHP code:

PHP代码：

<?php
$arr1 = array("a" => "Hello", "b" => "Hi");
$arr2 = array("a" => "Okay!", "d" => "Nothing");
//merging arrays
$arr3 = array_merge_recursive($arr1, $arr2);
//printing 
print_r ($arr3);
?>

Output

输出量

Array
(
[a] => Array  
(
[0] => Hello 
[1] => Okay! 
)
[b] => Hi
[d] => Nothing
)

翻译自: https://www.includehelp.com/php/array_merge_recursive-function-with-example.aspx