add_settings_error( string $setting, string $code, string $message, string $type = 'error' )

Registers a settings error to be displayed to the user.

Contents

Description

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.

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Parameters

$setting string Required
Slug title of the setting to which this error applies.
$code string Required
Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
$message string Required
The formatted message text to display to the user (will be shown inside styled <div> and <p> tags).
$type string Optional
Message type, controls HTML class. Possible values include 'error', 'success', 'warning', 'info'. Default 'error'.

Default: 'error'

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Source

File: wp-admin/includes/template.php. View all references 

function add_settings_error( $setting, $code, $message, $type = 'error' ) {
	global $wp_settings_errors;

	$wp_settings_errors[] = array(
		'setting' => $setting,
		'code'    => $code,
		'message' => $message,
		'type'    => $type,
	);
}

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Changelog

Changelog
Version Description
5.3.0 Added warning and info as possible values for $type.
3.0.0 Introduced.

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User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by Codex —

    Basic Example

    function change( $data ) {

    $message = null;
    $type = null;

    if ( null != $data ) {

        if ( false === get_option( 'myOption' ) ) {

            add_option( 'myOption', $data );
            $type = 'updated';
            $message = __( 'Successfully saved', 'my-text-domain' );

        } else {

            update_option( 'myOption', $data );
            $type = 'updated';
            $message = __( 'Successfully updated', 'my-text-domain' );

        }

    } else {

        $type = 'error';
        $message = __( 'Data can not be empty', 'my-text-domain' );

    }

    add_settings_error(
        'myUniqueIdentifyer',
        esc_attr( 'settings_updated' ),
        $message,
        $type
    );

}

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