wp-includes/deprecated.php:4160Displays a noindex meta tag if required by the blog configuration.
function noindex() { _deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_noindex()' ); // If the blog is not public, tell robots to go away. if ( '0' == get_option( 'blog_public' ) ) { wp_no_robots(); }}Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.