Ds\Vector::shift

(PECL ds >= 1.0.0)

Ds\Vector::shift — Removes and returns the first value

public Ds\Vector::shift(): mixed

Removes and returns the first value.

此函式沒有參數。

The first value, which was removed.

示例 #1 Ds\Vector::shift() example

 <?php
$vector = new \Ds\Vector(["a", "b", "c"]);

var_dump($vector->shift());
var_dump($vector->shift());
var_dump($vector->shift());
?>

以上例程的輸出類似於：

string(1) "a"
string(1) "b"
string(1) "c"