add_feed( string $feedname, callable $function )

Add a new feed type like /atom1/.

Parameters

$feedname

(string) (Required) Feed name.

$function

(callable) (Required) Callback to run on feed display.

Return

(string) Feed action name.

Source

File: wp-includes/rewrite.php 

function add_feed( $feedname, $function ) {
	global $wp_rewrite;

	if ( ! in_array( $feedname, $wp_rewrite->feeds ) ) {
		$wp_rewrite->feeds[] = $feedname;
	}

	$hook = 'do_feed_' . $feedname;

	// Remove default function hook
	remove_action( $hook, $hook );

	add_action( $hook, $function, 10, 2 );

	return $hook;
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/plugin.php: remove_action()

Removes a function from a specified action hook.
wp-includes/plugin.php: add_action()

Hooks a function on to a specific action.

Changelog

Changelog
Version Description
WP-2.1.0 Introduced.