(PECL pht >= 0.0.1)
pht\Vector::shift — Shifts a value from the vector
This method shifts a value from the front of a vector (in linear time). Shifting a value from an empty vector will result in an Error exception.
此函数没有参数。
The value from the front of the vector.
示例 #1 Shifting a value from a vector
<?php
use pht\Vector;
$vector = new Vector();
$vector->push(1);
$vector[] = 2;
var_dump($vector->shift());
以上例程会输出：
int(1)