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<?php |
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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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* Structured data's handler and generator using JSON-LD format. |
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* |
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* @class WC_Structured_Data |
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* @since 2.7.0 |
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* @version 2.7.0 |
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* @package WooCommerce/Classes |
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* @author Clément Cazaud <[email protected]> |
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*/ |
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class WC_Structured_Data { |
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/** |
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* @var null|array $_data |
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*/ |
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private $_data; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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// Generate data... |
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add_action( 'woocommerce_before_main_content', array( $this, 'generate_website_data' ), 30, 0 ); |
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add_action( 'woocommerce_breadcrumb', array( $this, 'generate_breadcrumblist_data' ), 10, 1 ); |
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add_action( 'woocommerce_shop_loop', array( $this, 'generate_product_data' ), 10, 0 ); |
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add_action( 'woocommerce_single_product_summary', array( $this, 'generate_product_data' ), 60, 0 ); |
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add_action( 'woocommerce_review_meta', array( $this, 'generate_review_data' ), 20, 1 ); |
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add_action( 'woocommerce_email_order_details', array( $this, 'generate_order_data' ), 20, 3 ); |
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// Output structured data... |
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add_action( 'woocommerce_email_order_details', array( $this, 'output_structured_data' ), 30, 0 ); |
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add_action( 'wp_footer', array( $this, 'output_structured_data' ), 10, 0 ); |
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} |
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/** |
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* Sets `$this->_data`. |
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* |
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* @param array $data |
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* @param bool $reset (default: false) |
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* @return bool |
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*/ |
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public function set_data( $data, $reset = false ) { |
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if ( ! isset( $data['@type'] ) ) { |
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return false; |
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} elseif ( ! is_string( $data['@type'] ) ) { |
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return false; |
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} |
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if ( $reset && isset( $this->_data ) ) { |
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unset( $this->_data ); |
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} |
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$this->_data[] = $data; |
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return true; |
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} |
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/** |
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* Gets `$this->_data`. |
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* |
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* @return array $data |
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*/ |
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public function get_data() { |
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return $data = isset( $this->_data ) ? $this->_data : array(); |
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} |
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/** |
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* Structures and returns data. |
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* |
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* List of types available by default for specific request: |
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* |
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* 'product', |
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* 'review', |
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* 'breadcrumblist', |
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* 'website', |
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* 'order', |
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* |
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* @param bool|array|string $requested_types (default: false) |
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* @return array |
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*/ |
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public function get_structured_data( $requested_types = false ) { |
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$data = $this->get_data(); |
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if ( empty( $data ) || ( $requested_types && ! is_array( $requested_types ) && ! is_string( $requested_types ) || is_null( $requested_types ) ) ) { |
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return array(); |
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} elseif ( $requested_types && is_string( $requested_types ) ) { |
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$requested_types = array( $requested_types ); |
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} |
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// Puts together the values of same type of structured data. |
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foreach ( $data as $value ) { |
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$structured_data[ strtolower( $value['@type'] ) ][] = $value; |
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} |
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// Wraps the multiple values of each type of structured data inside a graph. Then adds context for each type of value. |
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foreach ( $structured_data as $type => $value ) { |
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$structured_data[ $type ] = count( $value ) > 1 ? array( '@graph' => $value ) : $value[0]; |
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$structured_data[ $type ] = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'http://schema.org/' ), $structured_data, $type, $value ) + $structured_data[ $type ]; |
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} |
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// If requested types, picks them up. Finally changes the associative array into an indexed one. |
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$structured_data = $requested_types ? array_values( array_intersect_key( $structured_data, array_flip( $requested_types ) ) ) : array_values( $structured_data ); |
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if ( ! empty( $structured_data ) ) { |
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$structured_data = count( $structured_data ) > 1 ? array( '@graph' => $structured_data ) : $structured_data[0]; |
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} |
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return $structured_data; |
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} |
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/** |
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* Sanitizes, encodes and outputs structured data. |
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* |
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* @uses `wp_footer` action hook |
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* @uses `woocommerce_email_order_details` action hook |
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* @param bool|array|string $requested_types (default: true) |
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* @return bool |
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*/ |
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public function output_structured_data( $requested_types = true ) { |
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if ( $requested_types === true ) { |
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$requested_types = array_filter( apply_filters( 'woocommerce_structured_data_type_for_page', array( |
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is_shop() || is_product_category() || is_product() ? 'product' : null, |
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is_shop() && is_front_page() ? 'website' : null, |
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is_product() ? 'review' : null, |
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! is_shop() ? 'breadcrumblist' : null, |
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'order', |
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) ) ); |
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} |
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if ( $structured_data = $this->sanitize_data( $this->get_structured_data( $requested_types ) ) ) { |
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echo '<script type="application/ld+json">' . wp_json_encode( $structured_data ) . '</script>'; |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* Sanitizes data. |
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* |
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* @param array $data |
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* @return array |
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*/ |
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public function sanitize_data( $data ) { |
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if ( ! $data || ! is_array( $data ) ) { |
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return array(); |
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} |
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foreach ( $data as $key => $value ) { |
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$sanitized_data[ sanitize_text_field( $key ) ] = is_array( $value ) ? $this->sanitize_data( $value ) : sanitize_text_field( $value ); |
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} |
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return $sanitized_data; |
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} |
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/** |
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* Generates, sanitizes, encodes and outputs specific structured data type. |
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* |
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* @param string $type |
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* @param mixed $object (default: null) |
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* @param mixed $param_1 (default: null) |
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* @param mixed $param_2 (default: null) |
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* @param mixed $param_3 (default: null) |
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* @return bool |
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*/ |
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public function generate_output_structured_data( $type, $object = null, $param_1 = null, $param_2 = null, $param_3 = null ) { |
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if ( ! is_string( $type ) ) { |
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return false; |
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} |
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$generate = 'generate_' . $type . '_data'; |
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if ( method_exists( $this, $generate ) && $this->$generate( $object, $param_1, $param_2, $param_3 ) ) { |
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return $this->output_structured_data( $type ); |
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} else { |
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return false; |
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} |
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} |
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/* |
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|-------------------------------------------------------------------------- |
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| Generators |
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|-------------------------------------------------------------------------- |
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| |
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| Methods for generating specific structured data types: |
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| |
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| - Product |
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| - Review |
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| - BreadcrumbList |
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| - WebSite |
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| - Order |
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| |
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| The generated data is stored into `$this->_data`. |
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| See the methods above for handling `$this->_data`. |
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| |
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*/ |
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/** |
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* Generates Product structured data. |
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* |
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* @uses `woocommerce_single_product_summary` action hook |
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* @uses `woocommerce_shop_loop` action hook |
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* @param bool|object $product (default: false) |
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* @return bool |
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*/ |
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public function generate_product_data( $product = false ) { |
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if ( $product === false ) { |
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global $product; |
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} |
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if ( ! is_object( $product ) ) { |
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return false; |
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} |
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$variations = $product->is_type( 'variable' ) ? $product->get_available_variations() : array( $product ); |
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foreach ( $variations as $variation ) { |
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$product_variation = count( $variations ) > 1 ? wc_get_product( $variation['variation_id'] ) : $variation; |
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$markup_offers[] = array( |
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'@type' => 'Offer', |
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'priceCurrency' => get_woocommerce_currency(), |
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'price' => $product_variation->get_price(), |
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'availability' => 'http://schema.org/' . $stock = ( $product_variation->is_in_stock() ? 'InStock' : 'OutOfStock' ), |
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'sku' => $product_variation->get_sku(), |
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'image' => wp_get_attachment_url( $product_variation->get_image_id() ), |
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'description' => count( $variations ) > 1 ? $product_variation->get_variation_description() : '', |
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'seller' => array( |
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'@type' => 'Organization', |
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'name' => get_bloginfo( 'name' ), |
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'url' => get_bloginfo( 'url' ), |
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), |
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); |
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} |
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$markup['@type'] = 'Product'; |
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$markup['@id'] = get_permalink( $product->get_id() ); |
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$markup['url'] = get_permalink( $product->get_id() ); |
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$markup['name'] = $product->get_title(); |
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$markup['image'] = wp_get_attachment_url( $product->get_image_id() ); |
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$markup['description'] = get_the_excerpt( $product->get_id() ); |
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$markup['offers'] = $markup_offers; |
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if ( $product->get_rating_count() ) { |
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$markup['aggregateRating'] = array( |
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'@type' => 'AggregateRating', |
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'ratingValue' => $product->get_average_rating(), |
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'ratingCount' => $product->get_rating_count(), |
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'reviewCount' => $product->get_review_count(), |
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); |
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} |
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return $this->set_data( apply_filters( 'woocommerce_structured_data_product', $markup, $product ) ); |
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} |
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/** |
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* Generates Review structured data. |
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* |
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* @uses `woocommerce_review_meta` action hook |
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* @param object $comment |
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* @return bool |
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*/ |
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public function generate_review_data( $comment ) { |
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if ( ! is_object( $comment ) ) { |
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return false; |
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} |
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$markup['@type'] = 'Review'; |
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$markup['@id'] = get_comment_link( $comment->comment_ID ); |
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$markup['datePublished'] = get_comment_date( 'c', $comment->comment_ID ); |
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$markup['description'] = get_comment_text( $comment->comment_ID ); |
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$markup['itemReviewed'] = array( |
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'@type' => 'Product', |
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'name' => get_the_title( $comment->post_ID ), |
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); |
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$markup['reviewRating'] = array( |
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'@type' => 'rating', |
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'ratingValue' => get_comment_meta( $comment->comment_ID, 'rating', true ), |
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); |
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$markup['author'] = array( |
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'@type' => 'Person', |
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'name' => get_comment_author( $comment->comment_ID ), |
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); |
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return $this->set_data( apply_filters( 'woocommerce_structured_data_review', $markup, $comment ) ); |
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} |
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/** |
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* Generates BreadcrumbList structured data. |
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* |
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* @uses `woocommerce_breadcrumb` action hook |
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* @param array $breadcrumb |
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* @return bool|void |
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*/ |
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public function generate_breadcrumblist_data( $breadcrumb ) { |
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if ( ! is_array( $breadcrumb ) ) { |
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return false; |
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} |
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if ( isset( $breadcrumb['breadcrumb'] ) ) { |
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$breadcrumb = $breadcrumb['breadcrumb']; |
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} |
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if ( empty( $breadcrumb ) ) { |
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return; |
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} |
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$position = 1; |
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foreach ( $breadcrumb as $key => $crumb ) { |
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$markup_crumbs[ $key ] = array( |
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'@type' => 'ListItem', |
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'position' => $position ++, |
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'item' => array( |
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'name' => $crumb[0], |
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), |
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); |
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if ( ! empty( $crumb[1] ) && sizeof( $breadcrumb ) !== $key + 1 ) { |
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$markup_crumbs[ $key ]['item'] += array( '@id' => $crumb[1] ); |
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} |
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} |
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$markup['@type'] = 'BreadcrumbList'; |
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$markup['itemListElement'] = $markup_crumbs; |
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return $this->set_data( apply_filters( 'woocommerce_structured_data_breadcrumblist', $markup, $breadcrumb ) ); |
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} |
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/** |
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* Generates WebSite structured data. |
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* |
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* @uses `woocommerce_before_main_content` action hook |
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* @return bool |
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*/ |
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public function generate_website_data() { |
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$markup['@type'] = 'WebSite'; |
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$markup['name'] = get_bloginfo( 'name' ); |
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|
$markup['url'] = get_bloginfo( 'url' ); |
346
|
|
|
$markup['potentialAction'] = array( |
347
|
|
|
'@type' => 'SearchAction', |
348
|
|
|
'target' => get_bloginfo( 'url' ) . '/?s={search_term_string}&post_type=product', |
349
|
|
|
'query-input' => 'required name=search_term_string', |
350
|
|
|
); |
351
|
|
|
|
352
|
|
|
return $this->set_data( apply_filters( 'woocommerce_structured_data_website', $markup ) ); |
353
|
|
|
} |
354
|
|
|
|
355
|
|
|
/** |
356
|
|
|
* Generates Order structured data. |
357
|
|
|
* |
358
|
|
|
* @uses `woocommerce_email_order_details` action hook |
359
|
|
|
* @param object $order |
360
|
|
|
* @param bool $sent_to_admin (default: false) |
361
|
|
|
* @param bool $plain_text (default: false) |
362
|
|
|
* @return bool|void |
363
|
|
|
*/ |
364
|
|
|
public function generate_order_data( $order, $sent_to_admin = false, $plain_text = false ) { |
365
|
|
|
if ( ! is_object( $order ) ) { |
366
|
|
|
return false; |
367
|
|
|
} |
368
|
|
|
|
369
|
|
|
if ( $plain_text ) { |
370
|
|
|
return; |
371
|
|
|
} |
372
|
|
|
|
373
|
|
|
foreach ( $order->get_items() as $item ) { |
374
|
|
|
if ( ! apply_filters( 'woocommerce_order_item_visible', true, $item ) ) { |
375
|
|
|
continue; |
376
|
|
|
} |
377
|
|
|
|
378
|
|
|
$product = apply_filters( 'woocommerce_order_item_product', $order->get_product_from_item( $item ), $item ); |
379
|
|
|
$product_exists = is_object( $product ); |
380
|
|
|
$is_visible = $product_exists && $product->is_visible(); |
381
|
|
|
$order_url = $sent_to_admin ? admin_url( 'post.php?post=' . absint( $order->id ) . '&action=edit' ) : $order->get_view_order_url(); |
382
|
|
|
|
383
|
|
|
$markup_offers[] = array( |
384
|
|
|
'@type' => 'Offer', |
385
|
|
|
'price' => $order->get_line_subtotal( $item ), |
386
|
|
|
'priceCurrency' => $order->get_currency(), |
387
|
|
|
'priceSpecification' => array( |
388
|
|
|
'price' => $order->get_line_subtotal( $item ), |
389
|
|
|
'priceCurrency' => $order->get_currency(), |
390
|
|
|
'eligibleQuantity' => array( |
391
|
|
|
'@type' => 'QuantitativeValue', |
392
|
|
|
'value' => apply_filters( 'woocommerce_email_order_item_quantity', $item['qty'], $item ), |
393
|
|
|
), |
394
|
|
|
), |
395
|
|
|
'itemOffered' => array( |
396
|
|
|
'@type' => 'Product', |
397
|
|
|
'name' => apply_filters( 'woocommerce_order_item_name', $item['name'], $item, $is_visible ), |
398
|
|
|
'sku' => $product_exists ? $product->get_sku() : '', |
399
|
|
|
'image' => $product_exists ? wp_get_attachment_image_url( $product->get_image_id() ) : '', |
400
|
|
|
'url' => $is_visible ? get_permalink( $product->get_id() ) : get_home_url(), |
401
|
|
|
), |
402
|
|
|
'seller' => array( |
403
|
|
|
'@type' => 'Organization', |
404
|
|
|
'name' => get_bloginfo( 'name' ), |
405
|
|
|
'url' => get_bloginfo( 'url' ), |
406
|
|
|
), |
407
|
|
|
); |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
switch ( $order->get_status() ) { |
411
|
|
|
case 'pending': |
412
|
|
|
$order_status = 'http://schema.org/OrderPaymentDue'; |
413
|
|
|
break; |
414
|
|
|
case 'processing': |
415
|
|
|
$order_status = 'http://schema.org/OrderProcessing'; |
416
|
|
|
break; |
417
|
|
|
case 'on-hold': |
418
|
|
|
$order_status = 'http://schema.org/OrderProblem'; |
419
|
|
|
break; |
420
|
|
|
case 'completed': |
421
|
|
|
$order_status = 'http://schema.org/OrderDelivered'; |
422
|
|
|
break; |
423
|
|
|
case 'cancelled': |
424
|
|
|
$order_status = 'http://schema.org/OrderCancelled'; |
425
|
|
|
break; |
426
|
|
|
case 'refunded': |
427
|
|
|
$order_status = 'http://schema.org/OrderReturned'; |
428
|
|
|
break; |
429
|
|
|
case 'failed': |
430
|
|
|
$order_status = 'http://schema.org/OrderProblem'; |
431
|
|
|
break; |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
$markup['@type'] = 'Order'; |
435
|
|
|
$markup['url'] = $order_url; |
436
|
|
|
$markup['orderStatus'] = $order_status; |
437
|
|
|
$markup['orderNumber'] = $order->get_order_number(); |
438
|
|
|
$markup['orderDate'] = date( 'c', $order->get_date_created() ); |
439
|
|
|
$markup['acceptedOffer'] = $markup_offers; |
440
|
|
|
$markup['discount'] = $order->get_total_discount(); |
441
|
|
|
$markup['discountCurrency'] = $order->get_currency(); |
442
|
|
|
$markup['price'] = $order->get_total(); |
443
|
|
|
$markup['priceCurrency'] = $order->get_currency(); |
444
|
|
|
$markup['priceSpecification'] = array( |
445
|
|
|
'price' => $order->get_total(), |
446
|
|
|
'priceCurrency' => $order->get_currency(), |
447
|
|
|
'valueAddedTaxIncluded' => true, |
448
|
|
|
); |
449
|
|
|
$markup['billingAddress'] = array( |
450
|
|
|
'@type' => 'PostalAddress', |
451
|
|
|
'name' => $order->get_formatted_billing_full_name(), |
452
|
|
|
'streetAddress' => $order->get_billing_address_1(), |
453
|
|
|
'postalCode' => $order->get_billing_postcode(), |
454
|
|
|
'addressLocality' => $order->get_billing_city(), |
455
|
|
|
'addressRegion' => $order->get_billing_state(), |
456
|
|
|
'addressCountry' => $order->get_billing_country(), |
457
|
|
|
'email' => $order->get_billing_email(), |
458
|
|
|
'telephone' => $order->get_billing_phone(), |
459
|
|
|
); |
460
|
|
|
$markup['customer'] = array( |
461
|
|
|
'@type' => 'Person', |
462
|
|
|
'name' => $order->get_formatted_billing_full_name(), |
463
|
|
|
); |
464
|
|
|
$markup['merchant'] = array( |
465
|
|
|
'@type' => 'Organization', |
466
|
|
|
'name' => get_bloginfo( 'name' ), |
467
|
|
|
'url' => get_bloginfo( 'url' ), |
468
|
|
|
); |
469
|
|
|
$markup['potentialAction'] = array( |
470
|
|
|
'@type' => 'ViewAction', |
471
|
|
|
'name' => 'View Order', |
472
|
|
|
'url' => $order_url, |
473
|
|
|
'target' => $order_url, |
474
|
|
|
); |
475
|
|
|
|
476
|
|
|
return $this->set_data( apply_filters( 'woocommerce_structured_data_order', $markup, $sent_to_admin, $order ), true ); |
477
|
|
|
} |
478
|
|
|
} |
479
|
|
|
|
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.