wp-includes/functions.php:1875Retrieves URL with nonce added to URL query.
$actionurlstring$actionint|stringoptional-1$namestringoptional'_wpnonce'stringfunction wp_nonce_url( $actionurl, $action = -1, $name = '_wpnonce' ) { $actionurl = str_replace( '&', '&', $actionurl ); return esc_html( add_query_arg( $name, wp_create_nonce( $action ), $actionurl ) );}Introduced in 2.0.4. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.