WordPress at a glance
function is not described

MagpieRSS::is_rss() public WP 1.0

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

No Hooks.

Return

null. Nothing.

Usage

$MagpieRSS = new MagpieRSS();
$MagpieRSS->is_rss ();

Code of MagpieRSS::is_rss() WP 5.7.2

<?php
function is_rss () {
	if ( $this->feed_type == RSS ) {
		return $this->feed_version;
	}
	else {
		return false;
	}
}