PHP array_merge()函数 (PHP array_merge() function)

array_merge() function is used to merge two or more arrays, it returns a new array with merged elements.

array_merge()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。

Syntax:

句法：

array_merge(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(10, 20, 30, 40, 50);    $arr2 = array(60, 70, 80, 90, 10);    Output:    Array    (        [0] => 10        [1] => 20        [2] => 30        [3] => 40        [4] => 50        [5] => 60        [6] => 70        [7] => 80        [8] => 90        [9] => 10    )

PHP code 1: Merging two indexed arrays

PHP代码1：合并两个索引数组

Output

输出量

Array(    [0] => 10    [1] => 20    [2] => 30    [3] => 40    [4] => 50    [5] => 60    [6] => 70    [7] => 80    [8] => 90    [9] => 10)

PHP code 2: Merging two associative arrays having different keys and values

PHP代码2：合并两个具有不同键和值的关联数组

     "Hello", "b" => "Hi");    $arr2 = array("c" => "Bye!", "d" => "Nothing");        //merging arrays    $arr3 = array_merge($arr1, $arr2);        //printing     print_r ($arr3);?>

Output

输出量

Array(    [a] => Hello    [b] => Hi    [c] => Bye!    [d] => Nothing)

PHP Code 3: Merging two associative arrays having different keys and duplicate value

PHP代码3：合并两个具有不同键和重复值的关联数组

     "Hello", "b" => "Hi");    $arr2 = array("c" => "Hello", "d" => "Hi");        //merging arrays    $arr3 = array_merge($arr1, $arr2);        //printing     print_r ($arr3);?>

Output

输出量

Array(    [a] => Hello    [b] => Hi    [c] => Hello    [d] => Hi)

PHP Code 4: Merging two associative arrays having duplicate keys and unique values

PHP代码4：合并两个具有重复键和唯一值的关联数组

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

Output

输出量

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

PHP Code 5: Merging indexed and associative arrays

PHP代码5：合并索引数组和关联数组

     "Hello", "d" => "Hi");        //merging arrays    $arr3 = array_merge($arr1, $arr2);        //printing     print_r ($arr3);?>

Output

输出量

Array(    [0] => 10    [1] => 20    [2] => 30    [3] => 40    [c] => Hello    [d] => Hi)

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