(PECL pht >= 0.0.1)
pht\Vector::size — Gets the size of the vector
Returns the current size of the vector. This operation requires a pht\Vector's mutex lock to be held if it is being used by multiple threads.
此函数没有参数。
The size of the vector.
Example #1 Getting a vector's size
<?php
use pht\Vector;
$vector = new Vector();
$vector[] = 1;
$vector[] = 2;
$vector[] = 3;
var_dump($vector->size());
以上例程会输出：
int(3)