wp-includes/feed.php:129Displays the blog title for display of the feed title.
$deprecatedstringoptional'–'One hook fires while wp_title_rss() runs, in this order:
Filters the blog title for display of the feed title.
function wp_title_rss( $deprecated = '–' ) { if ( '–' !== $deprecated ) { /* translators: %s: 'document_title_separator' filter name. */ _deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) ); } /** * Filters the blog title for display of the feed title. * * @since 2.2.0 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`. * * @see get_wp_title_rss() * * @param string $wp_title_rss The current blog title. * @param string $deprecated Unused. */ echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated );}Introduced in 2.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/feed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.