WordPress at a glance
function is not described

SplFixedArray::getSize() public WP 1.0

{} It's a method of the class: SplFixedArray{}

No Hooks.

Return

Int. Null. Nothing.

Usage

$SplFixedArray = new SplFixedArray();
$SplFixedArray->getSize();

Code of SplFixedArray::getSize() WP 5.7

<?php
public function getSize()
{
    return $this->size;
}