WordPress at a glance
function is not described

ActionScheduler_Versions::latest_version_callback() public WC 1.0

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

No Hooks.

Return

Null. Nothing.

Usage

$ActionScheduler_Versions = new ActionScheduler_Versions();
$ActionScheduler_Versions->latest_version_callback();

Code of ActionScheduler_Versions::latest_version_callback() WC 5.0.0

<?php
public function latest_version_callback() {
	$latest = $this->latest_version();
	if ( empty($latest) || !isset($this->versions[$latest]) ) {
		return '__return_null';
	}
	return $this->versions[$latest];
}