略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: SplFixedArray::count

2024-12-23

SplFixedArray::count

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplFixedArray::countReturns the size of the array

说明

public SplFixedArray::count(): int

Returns the size of the array.

参数

此函数没有参数。

返回值

Returns the size of the array.

范例

示例 #1 SplFixedArray::count() example

<?php
$array 
= new SplFixedArray(5);
echo 
$array->count() . "\n";
echo 
count($array) . "\n";
?>

以上例程会输出:

5
5

注释

注意:

This method is functionally equivalent to SplFixedArray::getSize().

注意:

The count of elements is always equal to the set size because all values are initially initialized with null.

参见

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/splfixedarray.count.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3