wp_get_admin_notice()WP 6.4.0

Creates and returns the markup for an admin notice.

1 time — 0.000071 sec (very fast) | 50000 times — 0.10 sec (speed of light)

Return

String. The markup for an admin notice.

Usage

wp_get_admin_notice( $message, $args );
$message(string) (required)
The message.
$args(array)

An array of arguments for the admin notice.

Default: empty array

  • type(string)
    Optional. The type of admin notice. For example, 'error', 'success', 'warning', 'info'.
    Default: empty string

  • dismissible(true|false)
    Optional. Whether the admin notice is dismissible.
    Default: false

  • id(string)
    Optional. The value of the admin notice's ID attribute.
    Default: empty string

  • additional_classes(string[])
    Optional. A string array of class names.
    Default: empty array

  • attributes(string[])
    Optional. Additional attributes for the notice div.
    Default: empty array

  • paragraph_wrap(true|false)
    Optional. Whether to wrap the message in paragraph tags.
    Default: true

Examples

0

#1 Collect the tags and display them

$messages = [];

if( 'some condition' ){
	$messages[] = wp_get_admin_notice( 'Note 1', [ 'type' => 'error' ] );
}

if( 'some condition' ){
	$messages[] = wp_get_admin_notice( 'Note 2', [ 'type' => 'error' ] );
}

// some code

echo implode( "\n", $messages );

Changelog

Since 6.4.0 Introduced.

wp_get_admin_notice() code WP 6.6.2

function wp_get_admin_notice( $message, $args = array() ) {
	$defaults = array(
		'type'               => '',
		'dismissible'        => false,
		'id'                 => '',
		'additional_classes' => array(),
		'attributes'         => array(),
		'paragraph_wrap'     => true,
	);

	$args = wp_parse_args( $args, $defaults );

	/**
	 * Filters the arguments for an admin notice.
	 *
	 * @since 6.4.0
	 *
	 * @param array  $args    The arguments for the admin notice.
	 * @param string $message The message for the admin notice.
	 */
	$args       = apply_filters( 'wp_admin_notice_args', $args, $message );
	$id         = '';
	$classes    = 'notice';
	$attributes = '';

	if ( is_string( $args['id'] ) ) {
		$trimmed_id = trim( $args['id'] );

		if ( '' !== $trimmed_id ) {
			$id = 'id="' . $trimmed_id . '" ';
		}
	}

	if ( is_string( $args['type'] ) ) {
		$type = trim( $args['type'] );

		if ( str_contains( $type, ' ' ) ) {
			_doing_it_wrong(
				__FUNCTION__,
				sprintf(
					/* translators: %s: The "type" key. */
					__( 'The %s key must be a string without spaces.' ),
					'<code>type</code>'
				),
				'6.4.0'
			);
		}

		if ( '' !== $type ) {
			$classes .= ' notice-' . $type;
		}
	}

	if ( true === $args['dismissible'] ) {
		$classes .= ' is-dismissible';
	}

	if ( is_array( $args['additional_classes'] ) && ! empty( $args['additional_classes'] ) ) {
		$classes .= ' ' . implode( ' ', $args['additional_classes'] );
	}

	if ( is_array( $args['attributes'] ) && ! empty( $args['attributes'] ) ) {
		$attributes = '';
		foreach ( $args['attributes'] as $attr => $val ) {
			if ( is_bool( $val ) ) {
				$attributes .= $val ? ' ' . $attr : '';
			} elseif ( is_int( $attr ) ) {
				$attributes .= ' ' . esc_attr( trim( $val ) );
			} elseif ( $val ) {
				$attributes .= ' ' . $attr . '="' . esc_attr( trim( $val ) ) . '"';
			}
		}
	}

	if ( false !== $args['paragraph_wrap'] ) {
		$message = "<p>$message</p>";
	}

	$markup = sprintf( '<div %1$sclass="%2$s"%3$s>%4$s</div>', $id, $classes, $attributes, $message );

	/**
	 * Filters the markup for an admin notice.
	 *
	 * @since 6.4.0
	 *
	 * @param string $markup  The HTML markup for the admin notice.
	 * @param string $message The message for the admin notice.
	 * @param array  $args    The arguments for the admin notice.
	 */
	return apply_filters( 'wp_admin_notice_markup', $markup, $message, $args );
}