WordPress at a glance
function is not described

SimplePie_Cache_File::unlink() public WP 1.0

Remove the cache

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

No Hooks.

Return

true|false. Success status

Usage

$SimplePie_Cache_File = new SimplePie_Cache_File();
$SimplePie_Cache_File->unlink();

Code of SimplePie_Cache_File::unlink() WP 5.7.2

<?php
public function unlink()
{
	if (file_exists($this->name))
	{
		return unlink($this->name);
	}
	return false;
}