PHP 8.1.0 Alpha 1 available for testing

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

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