SplFixedArray::count()

(PHP 5 >= 5.3.0, PHP 7)

Returns the size of the array

说明

publicSplFixedArray::count(void) : 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

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

• SplFixedArray::getSize() Gets the size of the array