PHP | Ds\Deque push()函数

Ds\Deque::push()函数是PHP中的一个内置函数，用于通过在 Deque 末尾附加一个元素来将元素添加到 Deque。

句法：

public Ds\Deque::push( $values ) : void

参数：此函数接受单个参数$values ，它保存要添加到双端队列的元素。

返回值：此函数不返回任何值。

下面的程序说明了PHP中的Ds\Deque::push()函数：

方案一：

push(70);
  
echo("\nElements of Deque\n");
  
// Display the Deque elements
print_r($deck);
  
?>

输出：

Elements of Deque
Ds\Deque Object
(
    [0] => 10
    [1] => 20
    [2] => 30
    [3] => 40
    [4] => 50
    [5] => 60
)

Adding 70 in the deque

Elements of Deque
Ds\Deque Object
(
    [0] => 10
    [1] => 20
    [2] => 30
    [3] => 40
    [4] => 50
    [5] => 60
    [6] => 70
)

方案二：

push(...[70, 80, 90, 100]);
  
echo("\nElements of Deque\n");
  
// Display the Deque elements
print_r($deck);
  
?>

输出：

Elements of Deque
Ds\Deque Object
(
    [0] => 10
    [1] => 20
    [2] => 30
    [3] => 40
    [4] => 50
    [5] => 60
)

Adding elements in the deque

Elements of Deque
Ds\Deque Object
(
    [0] => 10
    [1] => 20
    [2] => 30
    [3] => 40
    [4] => 50
    [5] => 60
    [6] => 70
    [7] => 80
    [8] => 90
    [9] => 100
)

参考： http: PHP。 PHP