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1 | <?php |
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2 | /** |
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3 | * Structured data's handler and generator using JSON-LD format. |
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4 | * |
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5 | * @package WooCommerce/Classes |
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6 | * @since 3.0.0 |
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7 | * @version 3.0.0 |
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8 | */ |
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9 | |||
10 | defined( 'ABSPATH' ) || exit; |
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11 | |||
12 | /** |
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13 | * Structured data class. |
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14 | */ |
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15 | class WC_Structured_Data { |
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16 | |||
17 | /** |
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18 | * Stores the structured data. |
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19 | * |
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20 | * @var array $_data Array of structured data. |
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21 | */ |
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22 | private $_data = array(); |
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23 | |||
24 | /** |
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25 | * Constructor. |
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26 | */ |
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27 | public function __construct() { |
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28 | // Generate structured data. |
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29 | add_action( 'woocommerce_before_main_content', array( $this, 'generate_website_data' ), 30 ); |
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30 | add_action( 'woocommerce_breadcrumb', array( $this, 'generate_breadcrumblist_data' ), 10 ); |
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31 | add_action( 'woocommerce_single_product_summary', array( $this, 'generate_product_data' ), 60 ); |
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32 | add_action( 'woocommerce_review_meta', array( $this, 'generate_review_data' ), 20 ); |
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33 | add_action( 'woocommerce_email_order_details', array( $this, 'generate_order_data' ), 20, 3 ); |
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34 | |||
35 | // Output structured data. |
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36 | add_action( 'woocommerce_email_order_details', array( $this, 'output_email_structured_data' ), 30, 3 ); |
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37 | add_action( 'wp_footer', array( $this, 'output_structured_data' ), 10 ); |
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38 | } |
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39 | |||
40 | /** |
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41 | * Sets data. |
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42 | * |
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43 | * @param array $data Structured data. |
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44 | * @param bool $reset Unset data (default: false). |
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45 | * @return bool |
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46 | */ |
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47 | public function set_data( $data, $reset = false ) { |
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48 | if ( ! isset( $data['@type'] ) || ! preg_match( '|^[a-zA-Z]{1,20}$|', $data['@type'] ) ) { |
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49 | return false; |
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50 | } |
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51 | |||
52 | if ( $reset && isset( $this->_data ) ) { |
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53 | unset( $this->_data ); |
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54 | } |
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55 | |||
56 | $this->_data[] = $data; |
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57 | |||
58 | return true; |
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59 | } |
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60 | |||
61 | /** |
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62 | * Gets data. |
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63 | * |
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64 | * @return array |
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65 | */ |
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66 | public function get_data() { |
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67 | return $this->_data; |
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68 | } |
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69 | |||
70 | /** |
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71 | * Structures and returns data. |
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72 | * |
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73 | * List of types available by default for specific request: |
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74 | * |
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75 | * 'product', |
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76 | * 'review', |
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77 | * 'breadcrumblist', |
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78 | * 'website', |
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79 | * 'order', |
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80 | * |
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81 | * @param array $types Structured data types. |
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82 | * @return array |
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83 | */ |
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84 | public function get_structured_data( $types ) { |
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85 | $data = array(); |
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86 | |||
87 | // Put together the values of same type of structured data. |
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88 | foreach ( $this->get_data() as $value ) { |
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89 | $data[ strtolower( $value['@type'] ) ][] = $value; |
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90 | } |
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91 | |||
92 | // Wrap the multiple values of each type inside a graph... Then add context to each type. |
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93 | foreach ( $data as $type => $value ) { |
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94 | $data[ $type ] = count( $value ) > 1 ? array( '@graph' => $value ) : $value[0]; |
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95 | $data[ $type ] = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, $type, $value ) + $data[ $type ]; |
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96 | } |
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97 | |||
98 | // If requested types, pick them up... Finally change the associative array to an indexed one. |
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99 | $data = $types ? array_values( array_intersect_key( $data, array_flip( $types ) ) ) : array_values( $data ); |
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100 | |||
101 | if ( ! empty( $data ) ) { |
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102 | if ( 1 < count( $data ) ) { |
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103 | $data = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, '', '' ) + array( '@graph' => $data ); |
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104 | } else { |
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105 | $data = $data[0]; |
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106 | } |
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107 | } |
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108 | |||
109 | return $data; |
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110 | } |
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111 | |||
112 | /** |
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113 | * Get data types for pages. |
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114 | * |
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115 | * @return array |
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116 | */ |
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117 | protected function get_data_type_for_page() { |
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118 | $types = array(); |
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119 | $types[] = is_shop() || is_product_category() || is_product() ? 'product' : ''; |
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120 | $types[] = is_shop() && is_front_page() ? 'website' : ''; |
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121 | $types[] = is_product() ? 'review' : ''; |
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122 | $types[] = 'breadcrumblist'; |
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123 | $types[] = 'order'; |
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124 | |||
125 | return array_filter( apply_filters( 'woocommerce_structured_data_type_for_page', $types ) ); |
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126 | } |
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127 | |||
128 | /** |
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129 | * Makes sure email structured data only outputs on non-plain text versions. |
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130 | * |
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131 | * @param WP_Order $order Order data. |
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132 | * @param bool $sent_to_admin Send to admin (default: false). |
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133 | * @param bool $plain_text Plain text email (default: false). |
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134 | */ |
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135 | public function output_email_structured_data( $order, $sent_to_admin = false, $plain_text = false ) { |
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136 | if ( $plain_text ) { |
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137 | return; |
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138 | } |
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139 | echo '<div style="display: none; font-size: 0; max-height: 0; line-height: 0; padding: 0; mso-hide: all;">'; |
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140 | $this->output_structured_data(); |
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141 | echo '</div>'; |
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142 | } |
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143 | |||
144 | /** |
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145 | * Sanitizes, encodes and outputs structured data. |
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146 | * |
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147 | * Hooked into `wp_footer` action hook. |
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148 | * Hooked into `woocommerce_email_order_details` action hook. |
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149 | */ |
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150 | public function output_structured_data() { |
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151 | $types = $this->get_data_type_for_page(); |
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152 | $data = $this->get_structured_data( $types ); |
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153 | |||
154 | if ( $data ) { |
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155 | echo '<script type="application/ld+json">' . wc_esc_json( wp_json_encode( $data ), true ) . '</script>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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156 | } |
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157 | } |
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158 | |||
159 | /* |
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160 | |-------------------------------------------------------------------------- |
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161 | | Generators |
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162 | |-------------------------------------------------------------------------- |
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163 | | |
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164 | | Methods for generating specific structured data types: |
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165 | | |
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166 | | - Product |
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167 | | - Review |
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168 | | - BreadcrumbList |
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169 | | - WebSite |
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170 | | - Order |
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171 | | |
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172 | | The generated data is stored into `$this->_data`. |
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173 | | See the methods above for handling `$this->_data`. |
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174 | | |
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175 | */ |
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176 | |||
177 | /** |
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178 | * Generates Product structured data. |
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179 | * |
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180 | * Hooked into `woocommerce_single_product_summary` action hook. |
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181 | * |
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182 | * @param WC_Product $product Product data (default: null). |
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183 | */ |
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184 | public function generate_product_data( $product = null ) { |
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185 | if ( ! is_object( $product ) ) { |
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186 | global $product; |
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187 | } |
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188 | |||
189 | if ( ! is_a( $product, 'WC_Product' ) ) { |
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190 | return; |
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191 | } |
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192 | |||
193 | $shop_name = get_bloginfo( 'name' ); |
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194 | $shop_url = home_url(); |
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195 | $currency = get_woocommerce_currency(); |
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196 | $permalink = get_permalink( $product->get_id() ); |
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197 | $image = wp_get_attachment_url( $product->get_image_id() ); |
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0 ignored issues
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198 | |||
199 | $markup = array( |
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200 | '@type' => 'Product', |
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201 | '@id' => $permalink . '#product', // Append '#product' to differentiate between this @id and the @id generated for the Breadcrumblist. |
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202 | 'name' => $product->get_name(), |
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203 | 'url' => $permalink, |
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204 | 'description' => wp_strip_all_tags( do_shortcode( $product->get_short_description() ? $product->get_short_description() : $product->get_description() ) ), |
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205 | ); |
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206 | |||
207 | if ( $image ) { |
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208 | $markup['image'] = $image; |
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209 | } |
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210 | |||
211 | // Declare SKU or fallback to ID. |
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212 | if ( $product->get_sku() ) { |
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213 | $markup['sku'] = $product->get_sku(); |
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214 | } else { |
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215 | $markup['sku'] = $product->get_id(); |
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216 | } |
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217 | |||
218 | if ( '' !== $product->get_price() ) { |
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219 | // Assume prices will be valid until the end of next year, unless on sale and there is an end date. |
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220 | $price_valid_until = date( 'Y-12-31', current_time( 'timestamp', true ) + YEAR_IN_SECONDS ); |
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221 | |||
222 | if ( $product->is_type( 'variable' ) ) { |
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223 | $lowest = $product->get_variation_price( 'min', false ); |
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224 | $highest = $product->get_variation_price( 'max', false ); |
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225 | |||
226 | if ( $lowest === $highest ) { |
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227 | $markup_offer = array( |
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228 | '@type' => 'Offer', |
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229 | 'price' => wc_format_decimal( $lowest, wc_get_price_decimals() ), |
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230 | 'priceValidUntil' => $price_valid_until, |
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231 | 'priceSpecification' => array( |
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232 | 'price' => wc_format_decimal( $lowest, wc_get_price_decimals() ), |
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233 | 'priceCurrency' => $currency, |
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234 | 'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false', |
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235 | ), |
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236 | ); |
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237 | } else { |
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238 | $markup_offer = array( |
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239 | '@type' => 'AggregateOffer', |
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240 | 'lowPrice' => wc_format_decimal( $lowest, wc_get_price_decimals() ), |
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241 | 'highPrice' => wc_format_decimal( $highest, wc_get_price_decimals() ), |
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242 | 'offerCount' => count( $product->get_children() ), |
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243 | ); |
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244 | } |
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245 | } else { |
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246 | if ( $product->is_on_sale() && $product->get_date_on_sale_to() ) { |
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247 | $price_valid_until = date( 'Y-m-d', $product->get_date_on_sale_to()->getTimestamp() ); |
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248 | } |
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249 | $markup_offer = array( |
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250 | '@type' => 'Offer', |
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251 | 'price' => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ), |
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252 | 'priceValidUntil' => $price_valid_until, |
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253 | 'priceSpecification' => array( |
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254 | 'price' => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ), |
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255 | 'priceCurrency' => $currency, |
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256 | 'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false', |
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257 | ), |
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258 | ); |
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259 | } |
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260 | |||
261 | $markup_offer += array( |
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262 | 'priceCurrency' => $currency, |
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263 | 'availability' => 'http://schema.org/' . ( $product->is_in_stock() ? 'InStock' : 'OutOfStock' ), |
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264 | 'url' => $permalink, |
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265 | 'seller' => array( |
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266 | '@type' => 'Organization', |
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267 | 'name' => $shop_name, |
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268 | 'url' => $shop_url, |
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269 | ), |
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270 | ); |
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271 | |||
272 | $markup['offers'] = array( apply_filters( 'woocommerce_structured_data_product_offer', $markup_offer, $product ) ); |
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273 | } |
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274 | |||
275 | if ( $product->get_rating_count() && wc_review_ratings_enabled() ) { |
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276 | $markup['aggregateRating'] = array( |
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277 | '@type' => 'AggregateRating', |
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278 | 'ratingValue' => $product->get_average_rating(), |
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279 | 'reviewCount' => $product->get_review_count(), |
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280 | ); |
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281 | |||
282 | // Markup most recent rating/review. |
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283 | $comments = get_comments( |
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284 | array( |
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285 | 'number' => 1, |
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286 | 'post_id' => $product->get_id(), |
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287 | 'status' => 'approve', |
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288 | 'post_status' => 'publish', |
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289 | 'post_type' => 'product', |
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290 | 'parent' => 0, |
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291 | 'meta_key' => 'rating', |
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292 | 'orderby' => 'meta_value_num', |
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293 | ) |
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294 | ); |
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295 | |||
296 | if ( $comments ) { |
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297 | foreach ( $comments as $comment ) { |
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298 | $rating = get_comment_meta( $comment->comment_ID, 'rating', true ); |
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299 | |||
300 | if ( ! $rating ) { |
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301 | continue; |
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302 | } |
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303 | |||
304 | $markup['review'] = array( |
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305 | '@type' => 'Review', |
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306 | 'reviewRating' => array( |
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307 | '@type' => 'Rating', |
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308 | 'ratingValue' => $rating, |
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309 | ), |
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310 | 'author' => array( |
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311 | '@type' => 'Person', |
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312 | 'name' => get_comment_author( $comment->comment_ID ), |
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313 | ), |
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314 | ); |
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315 | } |
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316 | } |
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317 | } |
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318 | |||
319 | // Check we have required data. |
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320 | if ( empty( $markup['aggregateRating'] ) && empty( $markup['offers'] ) && empty( $markup['review'] ) ) { |
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321 | return; |
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322 | } |
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323 | |||
324 | $this->set_data( apply_filters( 'woocommerce_structured_data_product', $markup, $product ) ); |
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325 | } |
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326 | |||
327 | /** |
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328 | * Generates Review structured data. |
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329 | * |
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330 | * Hooked into `woocommerce_review_meta` action hook. |
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331 | * |
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332 | * @param WP_Comment $comment Comment data. |
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333 | */ |
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334 | public function generate_review_data( $comment ) { |
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335 | $markup = array(); |
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336 | $markup['@type'] = 'Review'; |
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337 | $markup['@id'] = get_comment_link( $comment->comment_ID ); |
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338 | $markup['datePublished'] = get_comment_date( 'c', $comment->comment_ID ); |
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339 | $markup['description'] = get_comment_text( $comment->comment_ID ); |
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340 | $markup['itemReviewed'] = array( |
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341 | '@type' => 'Product', |
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342 | 'name' => get_the_title( $comment->comment_post_ID ), |
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343 | ); |
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344 | |||
345 | // Skip replies unless they have a rating. |
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346 | $rating = get_comment_meta( $comment->comment_ID, 'rating', true ); |
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347 | |||
348 | if ( $rating ) { |
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349 | $markup['reviewRating'] = array( |
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350 | '@type' => 'Rating', |
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351 | 'ratingValue' => $rating, |
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352 | ); |
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353 | } elseif ( $comment->comment_parent ) { |
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354 | return; |
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355 | } |
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356 | |||
357 | $markup['author'] = array( |
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358 | '@type' => 'Person', |
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359 | 'name' => get_comment_author( $comment->comment_ID ), |
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360 | ); |
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361 | |||
362 | $this->set_data( apply_filters( 'woocommerce_structured_data_review', $markup, $comment ) ); |
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363 | } |
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364 | |||
365 | /** |
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366 | * Generates BreadcrumbList structured data. |
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367 | * |
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368 | * Hooked into `woocommerce_breadcrumb` action hook. |
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369 | * |
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370 | * @param WC_Breadcrumb $breadcrumbs Breadcrumb data. |
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371 | */ |
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372 | public function generate_breadcrumblist_data( $breadcrumbs ) { |
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373 | $crumbs = $breadcrumbs->get_breadcrumb(); |
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374 | |||
375 | if ( empty( $crumbs ) || ! is_array( $crumbs ) ) { |
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376 | return; |
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377 | } |
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378 | |||
379 | $markup = array(); |
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380 | $markup['@type'] = 'BreadcrumbList'; |
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381 | $markup['itemListElement'] = array(); |
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382 | |||
383 | foreach ( $crumbs as $key => $crumb ) { |
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384 | $markup['itemListElement'][ $key ] = array( |
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385 | '@type' => 'ListItem', |
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386 | 'position' => $key + 1, |
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387 | 'item' => array( |
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388 | 'name' => $crumb[0], |
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389 | ), |
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390 | ); |
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391 | |||
392 | if ( ! empty( $crumb[1] ) ) { |
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393 | $markup['itemListElement'][ $key ]['item'] += array( '@id' => $crumb[1] ); |
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394 | } elseif ( isset( $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'] ) ) { |
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395 | $current_url = set_url_scheme( 'http://' . wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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396 | |||
397 | $markup['itemListElement'][ $key ]['item'] += array( '@id' => $current_url ); |
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398 | } |
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399 | } |
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400 | |||
401 | $this->set_data( apply_filters( 'woocommerce_structured_data_breadcrumblist', $markup, $breadcrumbs ) ); |
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402 | } |
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403 | |||
404 | /** |
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405 | * Generates WebSite structured data. |
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406 | * |
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407 | * Hooked into `woocommerce_before_main_content` action hook. |
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408 | */ |
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409 | public function generate_website_data() { |
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410 | $markup = array(); |
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411 | $markup['@type'] = 'WebSite'; |
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412 | $markup['name'] = get_bloginfo( 'name' ); |
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413 | $markup['url'] = home_url(); |
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414 | $markup['potentialAction'] = array( |
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415 | '@type' => 'SearchAction', |
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416 | 'target' => home_url( '?s={search_term_string}&post_type=product' ), |
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417 | 'query-input' => 'required name=search_term_string', |
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418 | ); |
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419 | |||
420 | $this->set_data( apply_filters( 'woocommerce_structured_data_website', $markup ) ); |
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421 | } |
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422 | |||
423 | /** |
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424 | * Generates Order structured data. |
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425 | * |
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426 | * Hooked into `woocommerce_email_order_details` action hook. |
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427 | * |
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428 | * @param WP_Order $order Order data. |
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429 | * @param bool $sent_to_admin Send to admin (default: false). |
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430 | * @param bool $plain_text Plain text email (default: false). |
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431 | */ |
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432 | public function generate_order_data( $order, $sent_to_admin = false, $plain_text = false ) { |
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433 | if ( $plain_text || ! is_a( $order, 'WC_Order' ) ) { |
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434 | return; |
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435 | } |
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436 | |||
437 | $shop_name = get_bloginfo( 'name' ); |
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438 | $shop_url = home_url(); |
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439 | $order_url = $sent_to_admin ? $order->get_edit_order_url() : $order->get_view_order_url(); |
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440 | $order_statuses = array( |
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441 | 'pending' => 'https://schema.org/OrderPaymentDue', |
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442 | 'processing' => 'https://schema.org/OrderProcessing', |
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443 | 'on-hold' => 'https://schema.org/OrderProblem', |
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444 | 'completed' => 'https://schema.org/OrderDelivered', |
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445 | 'cancelled' => 'https://schema.org/OrderCancelled', |
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446 | 'refunded' => 'https://schema.org/OrderReturned', |
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447 | 'failed' => 'https://schema.org/OrderProblem', |
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448 | ); |
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449 | |||
450 | $markup_offers = array(); |
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451 | foreach ( $order->get_items() as $item ) { |
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452 | if ( ! apply_filters( 'woocommerce_order_item_visible', true, $item ) ) { |
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453 | continue; |
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454 | } |
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455 | |||
456 | $product = $order->get_product_from_item( $item ); |
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457 | $product_exists = is_object( $product ); |
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458 | $is_visible = $product_exists && $product->is_visible(); |
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459 | |||
460 | $markup_offers[] = array( |
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461 | '@type' => 'Offer', |
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462 | 'price' => $order->get_line_subtotal( $item ), |
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463 | 'priceCurrency' => $order->get_currency(), |
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464 | 'priceSpecification' => array( |
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465 | 'price' => $order->get_line_subtotal( $item ), |
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466 | 'priceCurrency' => $order->get_currency(), |
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467 | 'eligibleQuantity' => array( |
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468 | '@type' => 'QuantitativeValue', |
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469 | 'value' => apply_filters( 'woocommerce_email_order_item_quantity', $item['qty'], $item ), |
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470 | ), |
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471 | ), |
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472 | 'itemOffered' => array( |
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473 | '@type' => 'Product', |
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474 | 'name' => apply_filters( 'woocommerce_order_item_name', $item['name'], $item, $is_visible ), |
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475 | 'sku' => $product_exists ? $product->get_sku() : '', |
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476 | 'image' => $product_exists ? wp_get_attachment_image_url( $product->get_image_id() ) : '', |
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477 | 'url' => $is_visible ? get_permalink( $product->get_id() ) : get_home_url(), |
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478 | ), |
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479 | 'seller' => array( |
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480 | '@type' => 'Organization', |
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481 | 'name' => $shop_name, |
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482 | 'url' => $shop_url, |
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483 | ), |
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484 | ); |
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485 | } |
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486 | |||
487 | $markup = array(); |
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488 | $markup['@type'] = 'Order'; |
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489 | $markup['url'] = $order_url; |
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490 | $markup['orderStatus'] = isset( $order_statuses[ $order->get_status() ] ) ? $order_statuses[ $order->get_status() ] : ''; |
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491 | $markup['orderNumber'] = $order->get_order_number(); |
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492 | $markup['orderDate'] = $order->get_date_created()->format( 'c' ); |
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493 | $markup['acceptedOffer'] = $markup_offers; |
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494 | $markup['discount'] = $order->get_total_discount(); |
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495 | $markup['discountCurrency'] = $order->get_currency(); |
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496 | $markup['price'] = $order->get_total(); |
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497 | $markup['priceCurrency'] = $order->get_currency(); |
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498 | $markup['priceSpecification'] = array( |
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499 | 'price' => $order->get_total(), |
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500 | 'priceCurrency' => $order->get_currency(), |
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501 | 'valueAddedTaxIncluded' => 'true', |
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502 | ); |
||
503 | $markup['billingAddress'] = array( |
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504 | '@type' => 'PostalAddress', |
||
505 | 'name' => $order->get_formatted_billing_full_name(), |
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506 | 'streetAddress' => $order->get_billing_address_1(), |
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507 | 'postalCode' => $order->get_billing_postcode(), |
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508 | 'addressLocality' => $order->get_billing_city(), |
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509 | 'addressRegion' => $order->get_billing_state(), |
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510 | 'addressCountry' => $order->get_billing_country(), |
||
511 | 'email' => $order->get_billing_email(), |
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512 | 'telephone' => $order->get_billing_phone(), |
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513 | ); |
||
514 | $markup['customer'] = array( |
||
515 | '@type' => 'Person', |
||
516 | 'name' => $order->get_formatted_billing_full_name(), |
||
517 | ); |
||
518 | $markup['merchant'] = array( |
||
519 | '@type' => 'Organization', |
||
520 | 'name' => $shop_name, |
||
521 | 'url' => $shop_url, |
||
522 | ); |
||
523 | $markup['potentialAction'] = array( |
||
524 | '@type' => 'ViewAction', |
||
525 | 'name' => 'View Order', |
||
526 | 'url' => $order_url, |
||
527 | 'target' => $order_url, |
||
528 | ); |
||
529 | |||
530 | $this->set_data( apply_filters( 'woocommerce_structured_data_order', $markup, $sent_to_admin, $order ), true ); |
||
531 | } |
||
532 | } |
||
533 |
If a variable is not always an object, we recommend to add an additional type check to ensure your method call is safe: