Gets the size of the vector

# pht\Vector::size

(PECL pht >= 0.0.1)

pht\Vector::size — Gets the size of the vector

### 説明

public pht\Vector::size ( void ) : int

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.

### パラメータ

この関数にはパラメータはありません。

### 返り値

The size of the vector.

### 例

例1 Getting a vector's size

`<?php
use pht\Vector;
$vector = new Vector();
$vector[] = 1;
$vector[] = 2;
$vector[] = 3;
var_dump($vector->size());`

上の例の出力は以下となります。

    int(3)