Deque
PHP Manual

Ds\Deque::capacity

(PECL ds >= 1.0.0)

Ds\Deque::capacityReturns the current capacity

说明

public int Ds\Deque::capacity ( void )

Returns the current capacity.

参数

此函数没有参数。

返回值

The current capacity.

范例

Example #1 Ds\Deque::capacity() example

<?php
$deque 
= new \Ds\Deque();
var_dump($deque->capacity());

$deque->push(...range(150));
var_dump($deque->capacity());
?>

以上例程的输出类似于:

int(8)
int(64)

Deque
PHP Manual