is_feed() WordPress Function

function is_feed( $feeds = '' ) {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_feed( $feeds );
}
Uses	Description
wp-includes/l10n.php:__()	Retrieve the translation of $text.
wp-includes/class-wp-query.php:WP_Query::is_feed()	Is the query for a feed?
wp-includes/functions.php:_doing_it_wrong()	Mark something as being incorrectly called.
Used By	Description
wp-includes/script-loader.php:wp_should_load_separate_core_block_assets()	Checks whether separate styles should be loaded for core blocks on-render.
wp-includes/class-wp.php:WP::handle_404()	Set the Headers for 404, if nothing is found for requested URL.
wp-includes/functions.php:wp_die()	Kills WordPress execution and displays HTML page with an error message.
wp-includes/media.php:gallery_shortcode()	Builds the Gallery shortcode output.
wp-includes/media.php:wp_playlist_shortcode()	Builds the Playlist shortcode output.
wp-includes/canonical.php:redirect_canonical()	Redirects incoming links to the proper URL based on the site url.