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SplFixedArray::count

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::countReturns the size of the array

说明

public int SplFixedArray::count ( void )

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

Example #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

Note:

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

Note:

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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