WordPress at a glance
function is not described

SplFixedArray::setSize() public WP 1.0

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

No Hooks.

Return

true|false. Null. Nothing.

Usage

$SplFixedArray = new SplFixedArray();
$SplFixedArray->setSize( $size );
$size(int) (required)
-

Code of SplFixedArray::setSize() WP 5.7

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