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<?php |
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/** |
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* WooCommerce Message Functions |
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* |
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* Functions for error/message handling and display. |
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* |
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* @author WooThemes |
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* @category Core |
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* @package WooCommerce/Functions |
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* @version 2.1.0 |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly |
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} |
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/** |
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* Get the count of notices added, either for all notices (default) or for one. |
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* particular notice type specified by $notice_type. |
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* |
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* @since 2.1 |
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* @param string $notice_type The name of the notice type - either error, success or notice. [optional] |
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* @return int |
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*/ |
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function wc_notice_count( $notice_type = '' ) { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return; |
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} |
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$notice_count = 0; |
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$all_notices = WC()->session->get( 'wc_notices', array() ); |
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if ( isset( $all_notices[$notice_type] ) ) { |
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$notice_count = absint( sizeof( $all_notices[$notice_type] ) ); |
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} elseif ( empty( $notice_type ) ) { |
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foreach ( $all_notices as $notices ) { |
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$notice_count += absint( sizeof( $all_notices ) ); |
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} |
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} |
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return $notice_count; |
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} |
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/** |
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* Check if a notice has already been added. |
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* |
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* @since 2.1 |
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* @param string $message The text to display in the notice. |
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* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional] |
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* @return bool |
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*/ |
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function wc_has_notice( $message, $notice_type = 'success' ) { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return false; |
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} |
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$notices = WC()->session->get( 'wc_notices', array() ); |
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$notices = isset( $notices[ $notice_type ] ) ? $notices[ $notice_type ] : array(); |
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return array_search( $message, $notices ) !== false; |
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} |
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/** |
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* Add and store a notice. |
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* |
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* @since 2.1 |
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* @param string $message The text to display in the notice. |
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* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional] |
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*/ |
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function wc_add_notice( $message, $notice_type = 'success' ) { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return; |
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} |
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$notices = WC()->session->get( 'wc_notices', array() ); |
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// Backward compatibility |
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if ( 'success' === $notice_type ) { |
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$message = apply_filters( 'woocommerce_add_message', $message ); |
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} |
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$notices[$notice_type][] = apply_filters( 'woocommerce_add_' . $notice_type, $message ); |
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WC()->session->set( 'wc_notices', $notices ); |
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} |
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/** |
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* Unset all notices. |
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* |
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* @since 2.1 |
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*/ |
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View Code Duplication |
function wc_clear_notices() { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return; |
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} |
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WC()->session->set( 'wc_notices', null ); |
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} |
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/** |
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* Prints messages and errors which are stored in the session, then clears them. |
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* |
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* @since 2.1 |
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*/ |
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function wc_print_notices() { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return; |
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} |
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$all_notices = WC()->session->get( 'wc_notices', array() ); |
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$notice_types = apply_filters( 'woocommerce_notice_types', array( 'error', 'success', 'notice' ) ); |
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foreach ( $notice_types as $notice_type ) { |
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if ( wc_notice_count( $notice_type ) > 0 ) { |
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wc_get_template( "notices/{$notice_type}.php", array( |
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'messages' => array_filter( $all_notices[ $notice_type ] ) |
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) ); |
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} |
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} |
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wc_clear_notices(); |
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} |
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add_action( 'woocommerce_shortcode_before_product_cat_loop', 'wc_print_notices', 10 ); |
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add_action( 'woocommerce_before_shop_loop', 'wc_print_notices', 10 ); |
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add_action( 'woocommerce_before_single_product', 'wc_print_notices', 10 ); |
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/** |
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* Print a single notice immediately. |
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* |
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* @since 2.1 |
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* @param string $message The text to display in the notice. |
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* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional] |
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*/ |
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function wc_print_notice( $message, $notice_type = 'success' ) { |
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if ( 'success' === $notice_type ) { |
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$message = apply_filters( 'woocommerce_add_message', $message ); |
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} |
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wc_get_template( "notices/{$notice_type}.php", array( |
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'messages' => array( apply_filters( 'woocommerce_add_' . $notice_type, $message ) ) |
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) ); |
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} |
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/** |
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* Returns all queued notices, optionally filtered by a notice type. |
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* |
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* @since 2.1 |
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* @param string $notice_type The singular name of the notice type - either error, success or notice. [optional] |
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* @return array|mixed |
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*/ |
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function wc_get_notices( $notice_type = '' ) { |
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if ( ! did_action( 'woocommerce_init' ) ) { |
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_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before woocommerce_init.', 'woocommerce' ), '2.3' ); |
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return; |
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} |
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$all_notices = WC()->session->get( 'wc_notices', array() ); |
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if ( empty ( $notice_type ) ) { |
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$notices = $all_notices; |
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} elseif ( isset( $all_notices[$notice_type] ) ) { |
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$notices = $all_notices[$notice_type]; |
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} else { |
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$notices = array(); |
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} |
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return $notices; |
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} |
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/** |
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* Add notices for WP Errors. |
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* @param WP_Error $errors |
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*/ |
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function wc_add_wp_error_notices( $errors ) { |
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if ( is_wp_error( $errors ) && $errors->get_error_messages() ) { |
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foreach ( $errors->get_error_messages() as $error ) { |
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wc_add_notice( $error, 'error'); |
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} |
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} |
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} |
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There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.