Hook Type: filter

See hook in core

Displaying hooks found in version: wordpress-5.5.1

apply_filters('username_exists') is found 1 times:

  • /wp-includes/user.php line 1433
    	 * @param int|false $user_id  The user's ID on success, and false on failure.
    	 * @param string    $username Username to check.
    	return apply_filters( 'username_exists', $user_id, $username );
     * Determines whether the given email exists.
     * For more information on this and similar theme functions, check out