(PHP 5 >= 5.3.0, PHP 7)
SplFixedArray::getSize — Gets the size of the array
Gets the size of the array.
此函数没有参数。
Returns the size of the array, as an int.
Example #1 SplFixedArray::getSize() example
<?php
$array = new SplFixedArray(5);
echo $array->getSize()."\n";
$array->setSize(10);
echo $array->getSize()."\n";
?>
以上例程会输出：
5 10
Note:
This method is functionally equivalent to SplFixedArray::count()