array_push_PHP array_push（）函数与示例

array_push

PHP array_push()函数 (PHP array_push() function)

array_push() function is used to insert/push one or more than one element to the array.

array_push()函数用于将一个或多个元素插入/推入数组。

Syntax:

句法：

    array_push(array, elemement1, [element2],..);

Here,

这里，

array is the source array in which we have to push the elements.
array是我们必须在其中推送元素的源数组。
element is the value to be added, we can add more than one elements too.
element是要添加的值，我们也可以添加多个元素。

Examples:

例子：

    Input:
//initial array is
$arr = array(100, 200, 300);
//pushing elements
array_push($arr, 10);
array_push($arr, 400, 500);
Output:
Array
(    
[0] => 100
[1] => 200
[2] => 300
[3] => 10 
[4] => 400
[5] => 500
)

PHP code 1: Inserting elements in an indexed array

PHP代码1：在索引数组中插入元素

<?php
$arr = array(100, 200, 300);
array_push($arr, 10);
array_push($arr, 400, 500);
print("array after inserting elements...\n");
print_r($arr);
?>

Output

输出量

random key: age
array of random keys...
Array          
(              
[0] => age 
[1] => city
)

PHP code 2: Inserting elements in an associative array

PHP代码2：在关联数组中插入元素

<?php
$arr = array("name" => "Amit", "age" => 21);
array_push($arr, "Gwalior");
array_push($arr, "Male", "RGTU University");
print("array after inserting elements...\n");
print_r($arr);
?>

Output

输出量

array after inserting elements...
Array             
(  
[name] => Amit
[age] => 21
[0] => Gwalior
[1] => Male
[2] => RGTU University
)

See the output – There are two keys name and age and we added three more elements "Gwalior", "Male" and "RGTU University", these three elements added with the keys 0, 1 and 2.

看到输出-有两个关键的姓名和年龄，我们增加了三个要素“瓜廖尔”，“ 男性”和“RGTU大学”，与键0，1和2添加了这三个要素。