WordPress at a glance
function is not described

SplFixedArray::offsetSet() public WP 1.0

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

No Hooks.

Return

````. Null. Nothing.

Usage

$SplFixedArray = new SplFixedArray();
$SplFixedArray->offsetSet( $index, $newval );
$index *(string int) (required)*
$newval(mixed) (required)
-

Code of SplFixedArray::offsetSet() WP 5.7

<?php
public function offsetSet($index, $newval)
{
    $this->internalArray[(int) $index] = $newval;
}