add_settings_error
add_settings_error ( $setting, $code, $message, $type = 'error' )
Parameters:- (string) setting Slug title of the setting to which this error applies.
- (string) code Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
- (string) message The formatted message text to display to the user (will be shown inside styled `<div>` and `<p>` tags).
- (string) type Optional. Message type, controls HTML class. Possible values include 'error', 'success', 'warning', 'info'. Default 'error'.
Defined at:Change Log: - Introduced in WordPress: 3.0.0
- Deprecated in WordPress: —
Description
Registers a settings error to be displayed to the user.Part of the Settings API. Use this to show messages to users about settings validation
problems, missing settings or anything else.
Settings errors should be added inside the $sanitize_callback function defined in
register_setting() for a given setting to give feedback about the submission.
By default messages will show immediately after the submission that generated the error.
Additional calls to settings_errors() can be used to show errors even when the settings
page is first accessed.