wc_has_notice() │ WC 2.1

Check if a notice has already been added.

No Hooks.

Returns

true|false.

Usage

wc_has_notice( $message, $notice_type );
$message(string) (required)
The text to display in the notice.
$notice_type(string)
The name of the notice type - either error, success or notice.
Default: 'success'

Changelog

Since 2.1 Introduced.

wc_has_notice() code WC 10.6.2

woocommerce/includes/wc-notice-functions.php 
function wc_has_notice( $message, $notice_type = 'success' ) {
	if ( ! did_action( 'woocommerce_init' ) ) {
		wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' );
		return false;
	}

	$notices = WC()->session->get( 'wc_notices', array() );
	$notices = isset( $notices[ $notice_type ] ) ? $notices[ $notice_type ] : array();
	return array_search( $message, wp_list_pluck( $notices, 'notice' ), true ) !== false;
}