Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 12 | class LSX_Schema_Utils { |
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| 13 | /** |
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| 14 | * Determines whether a given post type should have Review schema. |
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| 15 | * |
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| 16 | * @param string $post_type Post type to check. |
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| 17 | * @param string $comparison_type Post type to check against. |
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| 18 | * |
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| 19 | * @return bool True if it has schema, false if not. |
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| 20 | */ |
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| 21 | public static function is_type( $post_type = null, $comparison_type = null ) { |
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| 22 | if ( is_null( $comparison_type ) ) { |
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| 23 | return false; |
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| 24 | } |
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| 25 | if ( is_null( $post_type ) ) { |
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| 26 | $post_type = get_post_type(); |
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| 27 | } |
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| 28 | /** |
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| 29 | * Filter: 'wpseo_schema_$this->post_type_post_types' - Allow changing for which post types we output Review schema. |
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| 30 | * |
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| 31 | * @api string[] $post_types The post types for which we output Review. |
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| 32 | */ |
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| 33 | $post_types = apply_filters( 'wpseo_schema_' . $comparison_type . '_post_types', array( $comparison_type ) ); |
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| 34 | return in_array( $post_type, $post_types ); |
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| 35 | } |
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| 36 | /** |
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| 37 | * Retrieve a users Schema ID. |
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| 38 | * |
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| 39 | * @param string $place_id The Name of the Reviewer you need a for. |
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| 40 | * @param string $type the type of the place. |
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| 41 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 42 | * |
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| 43 | * @return string The user's schema ID. |
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| 44 | */ |
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| 45 | public static function get_places_schema_id( $place_id, $type, $context ) { |
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| 46 | $url = $context->site_url . '#/schema/' . strtolower( $type ) . '/' . wp_hash( $place_id . get_the_title( $place_id ) ); |
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| 47 | return trailingslashit( $url ); |
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| 48 | } |
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| 49 | /** |
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| 50 | * Retrieve a users Schema ID. |
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| 51 | * |
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| 52 | * @param string $name The Name of the Reviewer you need a for. |
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| 53 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 54 | * |
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| 55 | * @return string The user's schema ID. |
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| 56 | */ |
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| 57 | public static function get_subtrip_schema_id( $name, $context ) { |
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| 60 | } |
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| 61 | /** |
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| 62 | * Retrieve an offer Schema ID. |
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| 63 | * |
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| 64 | * @param string $id post ID of the place being added. |
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| 65 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 66 | * @param string $local if the Schema is local true / false. |
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| 67 | * |
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| 68 | * @return string The user's schema ID. |
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| 69 | */ |
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| 70 | public static function get_offer_schema_id( $id, $context, $local = false ) { |
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| 71 | if ( false === $local ) { |
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| 72 | $url = $context->site_url; |
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| 73 | } else { |
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| 74 | $url = get_permalink( $context->id ); |
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| 75 | } |
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| 76 | $url .= '#/schema/offer/'; |
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| 77 | $url .= wp_hash( $id . get_the_title( $id ) ); |
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| 78 | return trailingslashit( $url ); |
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| 79 | } |
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| 80 | /** |
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| 81 | * Retrieve an review Schema ID. |
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| 82 | * |
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| 83 | * @param string $id post ID of the place being added. |
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| 84 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 85 | * @param string $local if the Schema is local true / false. |
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| 86 | * |
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| 87 | * @return string The user's schema ID. |
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| 88 | */ |
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| 89 | public static function get_review_schema_id( $id, $context, $local = false ) { |
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| 90 | if ( false === $local ) { |
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| 91 | $url = $context->site_url; |
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| 92 | } else { |
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| 93 | $url = get_permalink( $context->id ); |
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| 94 | } |
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| 95 | $url .= '#/schema/review/'; |
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| 96 | $url .= wp_hash( $id . get_the_title( $id ) ); |
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| 97 | return trailingslashit( $url ); |
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| 98 | } |
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| 99 | /** |
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| 100 | * Retrieve an Article Schema ID. |
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| 101 | * |
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| 102 | * @param string $id post ID of the place being added. |
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| 103 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 104 | * @param string $local if the Schema is local true / false. |
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| 105 | * |
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| 106 | * @return string The user's schema ID. |
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| 107 | */ |
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| 108 | public static function get_article_schema_id( $id, $context, $local = false ) { |
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| 109 | if ( false === $local ) { |
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| 110 | $url = get_permalink( $id ) . \WPSEO_Schema_IDs::ARTICLE_HASH; |
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| 111 | } else { |
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| 112 | $url = get_permalink( $context->id ) . '#/schema/article/' . wp_hash( $id . get_the_title( $id ) ); |
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| 113 | } |
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| 114 | return trailingslashit( $url ); |
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| 115 | } |
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| 116 | /** |
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| 117 | * Retrieve a users Schema ID. |
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| 118 | * |
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| 119 | * @param string $name The Name of the Reviewer you need a for. |
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| 120 | * @param WPSEO_Schema_Context $context A value object with context variables. |
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| 121 | * |
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| 122 | * @return string The user's schema ID. |
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| 123 | */ |
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| 124 | public static function get_author_schema_id( $name, $email, $context ) { |
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| 125 | return $context->site_url . \WPSEO_Schema_IDs::PERSON_HASH . wp_hash( $name . $email ); |
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| 126 | } |
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| 127 | /** |
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| 128 | * Generates the place graph piece for the subtrip / Itinerary arrays. |
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| 129 | * |
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| 130 | * @param array $data subTrip / itinerary data. |
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| 131 | * @param string $type The type in data to save the terms in. |
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| 132 | * @param string $post_id The post ID of the current Place to add. |
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| 133 | * @param WPSEO_Schema_Context $context The post ID of the current Place to add. |
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| 134 | * @param string $contained_in The @id of the containedIn place. |
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| 135 | * |
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| 136 | * @return mixed array $data Place data. |
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| 137 | */ |
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| 138 | public static function add_place( $data, $type, $post_id, $context, $contained_in = false ) { |
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| 139 | $at_id = self::get_places_schema_id( $post_id, $type, $context ); |
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| 140 | $place = array( |
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| 141 | '@type' => $type, |
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| 142 | '@id' => $at_id, |
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| 143 | 'name' => get_the_title( $post_id ), |
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| 144 | 'description' => get_the_excerpt( $post_id ), |
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| 145 | 'url' => get_permalink( $post_id ), |
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| 146 | ); |
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| 147 | if ( false !== $contained_in ) { |
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| 148 | $place['containedInPlace'] = array( |
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| 149 | '@type' => 'Country', |
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| 150 | '@id' => $contained_in, |
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| 151 | ); |
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| 152 | } |
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| 153 | $data[] = $place; |
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| 154 | return $data; |
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| 155 | } |
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| 156 | /** |
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| 157 | * Adds an image node if the post has a featured image. |
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| 158 | * |
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| 159 | * @param array $data The Review data. |
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| 160 | * @param WPSEO_Schema_Context $context The post ID of the current Place to add. |
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| 161 | * |
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| 162 | * @return array $data The Review data. |
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| 163 | */ |
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| 164 | public static function add_image( $data, $context ) { |
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| 165 | if ( $context->has_image ) { |
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| 166 | $data['image'] = array( |
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| 167 | '@id' => $context->canonical . \WPSEO_Schema_IDs::PRIMARY_IMAGE_HASH, |
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| 168 | ); |
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| 169 | } |
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| 170 | return $data; |
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| 171 | } |
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| 172 | /** |
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| 173 | * Generates the itemReviewed schema |
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| 174 | * |
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| 175 | * @param array $items The array of IDS. |
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| 176 | * @param string $type The schema type. |
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| 177 | * @return array $schema An array of the schema markup. |
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| 178 | */ |
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| 179 | public static function get_item_reviewed( $items = array(), $type = '' ) { |
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| 180 | $schema = array(); |
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| 181 | if ( false !== $items && ! empty( $items ) && '' !== $type ) { |
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| 182 | array_unique( $items ); |
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| 183 | foreach ( $items as $item ) { |
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| 184 | $title = get_the_title( $item ); |
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| 185 | if ( '' !== $title ) { |
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| 186 | $item_schema = array( |
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| 187 | '@type' => $type, |
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| 188 | 'name' => $title, |
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| 189 | ); |
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| 190 | $schema[] = $item_schema; |
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| 191 | } |
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| 192 | } |
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| 193 | } |
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| 194 | return $schema; |
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| 195 | } |
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| 196 | /** |
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| 197 | * Adds a term or multiple terms, comma separated, to a field. |
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| 198 | * |
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| 199 | * @param array $data Review data. |
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| 200 | * @param string $post_id The ID of the item to fetch terms. |
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| 201 | * @param string $key The key in data to save the terms in. |
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| 202 | * @param string $taxonomy The taxonomy to retrieve the terms from. |
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| 203 | * |
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| 204 | * @return mixed array $data Review data. |
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| 205 | */ |
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| 206 | public static function add_terms( $data, $post_id, $key, $taxonomy ) { |
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| 220 | } |
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| 221 | } |
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| 222 |