/** * WooCommerce Message Functions * * Functions for error/message handling and display. * * @package WooCommerce\Functions * @version 2.1.0 */ if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Get the count of notices added, either for all notices (default) or for one. * particular notice type specified by $notice_type. * * @since 2.1 * @param string $notice_type Optional. The name of the notice type - either error, success or notice. * @return int */ function wc_notice_count( $notice_type = '' ) { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); return; } $notice_count = 0; $all_notices = WC()->session->get( 'wc_notices', array() ); if ( isset( $all_notices[ $notice_type ] ) && is_array( $all_notices[ $notice_type ] ) ) { $notice_count = count( $all_notices[ $notice_type ] ); } elseif ( empty( $notice_type ) ) { foreach ( $all_notices as $notices ) { if ( is_countable( $notices ) ) { $notice_count += count( $notices ); } } } return $notice_count; } /** * Check if a notice has already been added. * * @since 2.1 * @param string $message The text to display in the notice. * @param string $notice_type Optional. The name of the notice type - either error, success or notice. * @return bool */ 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; } /** * Add and store a notice. * * @since 2.1 * @version 3.9.0 * @param string $message The text to display in the notice. * @param string $notice_type Optional. The name of the notice type - either error, success or notice. * @param array $data Optional notice data. */ function wc_add_notice( $message, $notice_type = 'success', $data = array() ) { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); return; } $notices = WC()->session->get( 'wc_notices', array() ); // Backward compatibility. if ( 'success' === $notice_type ) { $message = apply_filters( 'woocommerce_add_message', $message ); } $message = apply_filters( 'woocommerce_add_' . $notice_type, $message ); if ( ! empty( $message ) ) { $notices[ $notice_type ][] = array( 'notice' => $message, 'data' => $data, ); } WC()->session->set( 'wc_notices', $notices ); } /** * Set all notices at once. * * @since 2.6.0 * @param array[] $notices Array of notices. */ function wc_set_notices( $notices ) { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.6' ); return; } WC()->session->set( 'wc_notices', $notices ); } /** * Unset all notices. * * @since 2.1 */ function wc_clear_notices() { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); return; } WC()->session->set( 'wc_notices', null ); } /** * Prints messages and errors which are stored in the session, then clears them. * * @since 2.1 * @param bool $return true to return rather than echo. @since 3.5.0. * @return string|void */ function wc_print_notices( $return = false ) { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); return; } $session = WC()->session; // If the session handler has not initialized, there will be no notices for us to read. if ( null === $session ) { return; } $all_notices = $session->get( 'wc_notices', array() ); $notice_types = apply_filters( 'woocommerce_notice_types', array( 'error', 'success', 'notice' ) ); // Buffer output. ob_start(); foreach ( $notice_types as $notice_type ) { if ( wc_notice_count( $notice_type ) > 0 ) { $messages = array(); foreach ( $all_notices[ $notice_type ] as $notice ) { $messages[] = isset( $notice['notice'] ) ? $notice['notice'] : $notice; } wc_get_template( "notices/{$notice_type}.php", array( 'messages' => array_filter( $messages ), // @deprecated 3.9.0 'notices' => array_filter( $all_notices[ $notice_type ] ), ) ); } } wc_clear_notices(); $notices = wc_kses_notice( ob_get_clean() ); if ( $return ) { return $notices; } echo $notices; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } /** * Print a single notice immediately. * * @since 2.1 * @version 3.9.0 * @param string $message The text to display in the notice. * @param string $notice_type Optional. The singular name of the notice type - either error, success or notice. * @param array $data Optional notice data. @since 3.9.0. * @param bool $return true to return rather than echo. @since 7.7.0. */ function wc_print_notice( $message, $notice_type = 'success', $data = array(), $return = false ) { if ( 'success' === $notice_type ) { $message = apply_filters( 'woocommerce_add_message', $message ); } $message = apply_filters( 'woocommerce_add_' . $notice_type, $message ); // Buffer output. ob_start(); wc_get_template( "notices/{$notice_type}.php", array( 'messages' => array( $message ), // @deprecated 3.9.0 'notices' => array( array( 'notice' => $message, 'data' => $data, ), ), ) ); $notice = wc_kses_notice( ob_get_clean() ); if ( $return ) { return $notice; } echo $notice; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } /** * Returns all queued notices, optionally filtered by a notice type. * * @since 2.1 * @version 3.9.0 * @param string $notice_type Optional. The singular name of the notice type - either error, success or notice. * @return array[] */ function wc_get_notices( $notice_type = '' ) { if ( ! did_action( 'woocommerce_init' ) ) { wc_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); return; } $all_notices = WC()->session->get( 'wc_notices', array() ); if ( empty( $notice_type ) ) { $notices = $all_notices; } elseif ( isset( $all_notices[ $notice_type ] ) ) { $notices = $all_notices[ $notice_type ]; } else { $notices = array(); } return $notices; } /** * Add notices for WP Errors. * * @param WP_Error $errors Errors. */ function wc_add_wp_error_notices( $errors ) { if ( is_wp_error( $errors ) && $errors->get_error_messages() ) { foreach ( $errors->get_error_messages() as $error ) { wc_add_notice( $error, 'error' ); } } } /** * Filters out the same tags as wp_kses_post, but allows tabindex for element. * * @since 3.5.0 * @param string $message Content to filter through kses. * @return string */ function wc_kses_notice( $message ) { $allowed_tags = array_replace_recursive( wp_kses_allowed_html( 'post' ), array( 'a' => array( 'tabindex' => true, ), ) ); /** * Kses notice allowed tags. * * @since 3.9.0 * @param array[]|string $allowed_tags An array of allowed HTML elements and attributes, or a context name such as 'post'. */ return wp_kses( $message, apply_filters( 'woocommerce_kses_notice_allowed_tags', $allowed_tags ) ); } /** * Get notice data attribute. * * @since 3.9.0 * @param array $notice Notice data. * @return string */ function wc_get_notice_data_attr( $notice ) { if ( empty( $notice['data'] ) ) { return; } $attr = ''; foreach ( $notice['data'] as $key => $value ) { $attr .= sprintf( ' data-%1$s="%2$s"', sanitize_title( $key ), esc_attr( $value ) ); } return $attr; } March 2021 – Page 17 – ViralBandit