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662 lines
17 KiB
PHTML
662 lines
17 KiB
PHTML
8 months ago
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<?php
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/**
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* Outputs specific schema code from Schema Template
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*
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* @since 1.0.0
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* @package RankMath
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* @subpackage RankMathPro
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* @author MyThemeShop <admin@mythemeshop.com>
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*/
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namespace RankMathPro\Schema;
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use RankMath\Helper;
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use RankMath\Traits\Hooker;
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use RankMath\Schema\DB;
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use MyThemeShop\Helpers\Str;
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use MyThemeShop\Helpers\HTML;
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defined( 'ABSPATH' ) || exit;
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/**
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* Schema Frontend class.
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*/
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class Frontend {
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use Hooker;
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/**
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* The Constructor.
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*/
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public function __construct() {
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$this->filter( 'rank_math/json_ld', 'add_about_mention_attributes', 11 );
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$this->filter( 'rank_math/json_ld', 'add_template_schema', 8, 2 );
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$this->filter( 'rank_math/json_ld', 'add_schema_from_shortcode', 8, 2 );
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$this->filter( 'rank_math/json_ld', 'convert_schema_to_item_list', 99, 2 );
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$this->filter( 'rank_math/json_ld', 'validate_schema_data', 999 );
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$this->filter( 'rank_math/json_ld', 'add_subjectof_property', 99 );
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$this->filter( 'rank_math/json_ld', 'insert_template_schema', 20, 2 );
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$this->action( 'rank_math/schema/preview/validate', 'validate_preview_data' );
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$this->filter( 'rank_math/snippet/rich_snippet_itemlist_entity', 'filter_item_list_schema' );
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$this->filter( 'rank_math/schema/valid_types', 'valid_types' );
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$this->filter( 'rank_math/snippet/rich_snippet_product_entity', 'add_manufacturer_property' );
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$this->filter( 'rank_math/snippet/rich_snippet_product_entity', 'remove_empty_offers' );
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$this->filter( 'rank_math/snippet/rich_snippet_videoobject_entity', 'convert_familyfriendly_property' );
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$this->filter( 'rank_math/snippet/rich_snippet_podcastepisode_entity', 'convert_familyfriendly_property' );
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$this->filter( 'rank_math/snippet/rich_snippet_entity', 'schema_entity' );
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new Display_Conditions();
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new Snippet_Pro_Shortcode();
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if ( $this->do_filter( 'link/remove_schema_attribute', false ) ) {
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$this->filter( 'the_content', 'remove_schema_attribute', 11 );
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}
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// Schema Preview.
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$this->filter( 'query_vars', 'add_query_vars' );
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$this->filter( 'init', 'add_endpoint' );
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$this->action( 'template_redirect', 'schema_preview_template' );
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}
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/**
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* Add the 'photos' query variable so WordPress won't mangle it.
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*
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* @param array $vars Array of vars.
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*/
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public function add_query_vars( $vars ) {
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$vars[] = 'schema-preview';
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return $vars;
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}
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/**
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* Add endpoint
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*/
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public function add_endpoint() {
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add_rewrite_endpoint( 'schema-preview', EP_PERMALINK | EP_PAGES | EP_ROOT );
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}
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/**
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* Schema preview template
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*/
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public function schema_preview_template() {
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global $wp_query;
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// if this is not a request for schema preview or a singular or home object then bail.
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if (
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! isset( $wp_query->query_vars['schema-preview'] ) ||
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( ! is_singular() && ! is_home() && ! is_category() && ! is_tag() && ! is_tax() )
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) {
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return;
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}
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header( 'Content-Type: application/json' );
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do_action( 'rank_math/json_ld/preview' );
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exit;
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}
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/**
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* Add nofollow and target attributes to link.
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*
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* @param string $content Post content.
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* @return string
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*/
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public function remove_schema_attribute( $content ) {
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preg_match_all( '/<(a\s[^>]+)>/', $content, $matches );
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if ( empty( $matches ) || empty( $matches[0] ) ) {
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return $content;
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}
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foreach ( $matches[0] as $link ) {
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$attrs = HTML::extract_attributes( $link );
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if ( ! isset( $attrs['data-schema-attribute'] ) ) {
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continue;
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}
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unset( $attrs['data-schema-attribute'] );
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$content = str_replace( $link, '<a' . HTML::attributes_to_string( $attrs ) . '>', $content );
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}
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return $content;
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}
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/**
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* Filter functiont to extend valid schema types to use in Rank Math generated schema object.
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*
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* @param array $types Valid Schema types.
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*
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* @return array
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*/
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public function valid_types( $types ) {
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return array_merge( $types, [ 'movie', 'dataset', 'claimreview' ] );
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}
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/**
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* Validate Code Validation Schema data before displaying it in Preview window.
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*
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* @param array $schemas Array of json-ld data.
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* @return array
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*
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* @since 2.6.1
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*/
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public function validate_preview_data( $schemas ) {
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foreach ( $schemas as $schema_key => $schema ) {
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if ( empty( $schema['subjectOf'] ) ) {
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continue;
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}
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foreach ( $schema['subjectOf'] as $key => $property ) {
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if ( empty( $schemas[ $key ] ) ) {
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continue;
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}
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$schema['subjectOf'][ $key ] = $schemas[ $key ];
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unset( $schemas[ $key ] );
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}
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$schema['subjectOf'] = array_values( $schema['subjectOf'] );
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$schemas[ $schema_key ] = $schema;
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}
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return $schemas;
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}
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/**
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* Add FAQ/HowTo schema in subjectOf property of primary schema.
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*
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* @param array $schemas Array of json-ld data.
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* @return array
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*
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* @since 1.0.62
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*/
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public function add_subjectof_property( $schemas ) {
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if ( empty( $schemas ) ) {
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return $schemas;
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}
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foreach ( $schemas as $id => $schema ) {
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if ( ! Str::starts_with( 'schema-', $id ) && 'richSnippet' !== $id ) {
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continue;
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}
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$this->add_prop_subjectof( $schema, $schemas );
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if ( ! empty( $schema['subjectOf'] ) ) {
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$schemas[ $id ] = $schema;
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break;
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}
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}
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return $schemas;
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}
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/**
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* Add subjectOf property in current schema entity.
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*
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* @param array $entity Schema Entity.
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* @param array $schemas Array of json-ld data.
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*
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* @since 1.0.62
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*/
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private function add_prop_subjectof( &$entity, &$schemas ) {
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if (
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! isset( $entity['@type'] ) ||
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empty( $entity['isPrimary'] ) ||
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! empty( $entity['isCustom'] ) ||
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in_array( $entity['@type'], [ 'FAQPage', 'HowTo' ], true )
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) {
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return;
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}
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global $wp_query;
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$subject_of = [];
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foreach ( $schemas as $key => $schema ) {
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if ( ! isset( $schema['@type'] ) || ! in_array( $schema['@type'], [ 'FAQPage', 'HowTo' ], true ) ) {
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continue;
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}
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if ( isset( $schema['isPrimary'] ) ) {
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unset( $schema['isPrimary'] );
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}
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if ( isset( $schema['isCustom'] ) ) {
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unset( $schema['isCustom'] );
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}
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if ( isset( $wp_query->query_vars['schema-preview'] ) ) {
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$subject_of[ $key ] = $schema;
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continue;
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}
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$subject_of[] = $schema;
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unset( $schemas[ $key ] );
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}
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$entity['subjectOf'] = $subject_of;
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}
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/**
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* Get Default Schema Data.
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*
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* @param array $data Array of json-ld data.
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* @param JsonLD $jsonld Instance of jsonld.
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*
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* @return array
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*/
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public function convert_schema_to_item_list( $data, $jsonld ) {
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$schemas = array_filter(
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$data,
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function( $schema ) {
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if ( isset( $schema['@type'] ) && in_array( $schema['@type'], [ 'Course', 'Movie', 'Recipe', 'Restaurant' ], true ) ) {
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return true;
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}
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return false;
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}
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);
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if ( 2 > count( $schemas ) ) {
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return $data;
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}
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$data['itemList'] = [
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'@type' => 'ItemList',
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'itemListElement' => [],
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];
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$count = 1;
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foreach ( $schemas as $id => $schema ) {
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unset( $data[ $id ] );
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$schema['url'] = $jsonld->parts['url'] . '#' . $id;
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if ( isset( $schema['isPrimary'] ) ) {
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unset( $schema['isPrimary'] );
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}
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$data['itemList']['itemListElement'][] = [
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'@type' => 'ListItem',
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'position' => $count,
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'item' => $schema,
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];
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$count++;
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}
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return $data;
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}
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/**
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* Add Schema data from Schema Templates.
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*
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* @param array $data Array of json-ld data.
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* @param JsonLD $jsonld Instance of jsonld.
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*
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* @return array
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*/
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public function add_template_schema( $data, $jsonld ) {
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$schemas = Display_Conditions::get_schema_templates( $data, $jsonld );
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if ( empty( $schemas ) ) {
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return $data;
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}
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foreach ( $schemas as $schema ) {
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$data = array_merge( $data, $schema );
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}
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return $data;
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}
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/**
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* Insert the appropriate Schema data from Schema Templates.
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*
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* @param array $data Array of json-ld data.
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* @param JsonLD $jsonld Instance of jsonld.
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*
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* @return array
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*/
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public function insert_template_schema( $data, $jsonld ) {
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$schema_array = Display_Conditions::get_insertable_schemas();
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if ( empty( $schema_array ) ) {
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return $data;
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}
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foreach ( $schema_array as $insert_in => $schemas ) {
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// If the $insert_in is not a @type present in the data, then skip it.
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$insert_key = false;
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foreach ( $data as $key => $schema ) {
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if ( $key === $insert_in ) {
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$insert_key = $key;
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break;
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}
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if ( ! isset( $schema['@type'] ) ) {
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continue;
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}
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if ( $schema['@type'] === $insert_in ) {
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$insert_key = $key;
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break;
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}
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}
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if ( ! $insert_key ) {
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continue;
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}
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// Now insert the schema(s).
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foreach ( $schemas as $schema ) {
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$schema_key = $schema['key'];
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$schema_data = $schema['schema'];
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unset( $schema_data['isPrimary'], $schema_data['isCustom'], $schema_data['isTemplate'], $schema_data['metadata'] );
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$schema_data = $jsonld->replace_variables( $schema_data );
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foreach ( $schema_data as $key => $value ) {
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if ( ! isset( $data[ $insert_key ][ $key ] ) ) {
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$data[ $insert_key ][ $key ] = $value;
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}
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}
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}
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}
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return $data;
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}
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/**
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* Add About & Mention attributes to Webpage schema.
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*
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* @param array $data Array of json-ld data.
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* @return array
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*/
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public function add_about_mention_attributes( $data ) {
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if ( ! is_singular() || empty( $data['WebPage'] ) ) {
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return $data;
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}
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global $post;
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if ( ! $post->post_content ) {
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return $data;
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}
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preg_match_all( '|<a[^>]+>([^<]+)</a>|', $post->post_content, $matches );
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if ( empty( $matches ) || empty( $matches[0] ) ) {
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return $data;
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}
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foreach ( $matches[0] as $link ) {
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$attrs = HTML::extract_attributes( $link );
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if ( empty( $attrs['data-schema-attribute'] ) ) {
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||
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continue;
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||
|
|
}
|
||
|
|
|
||
|
|
$attributes = explode( ' ', $attrs['data-schema-attribute'] );
|
||
|
|
if ( in_array( 'about', $attributes, true ) ) {
|
||
|
|
$data['WebPage']['about'][] = [
|
||
|
|
'@type' => 'Thing',
|
||
|
|
'name' => wp_strip_all_tags( $link ),
|
||
|
|
'sameAs' => $attrs['href'],
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( in_array( 'mentions', $attributes, true ) ) {
|
||
|
|
$data['WebPage']['mentions'][] = [
|
||
|
|
'@type' => 'Thing',
|
||
|
|
'name' => wp_strip_all_tags( $link ),
|
||
|
|
'sameAs' => $attrs['href'],
|
||
|
|
];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filter to change the itemList schema data.
|
||
|
|
*
|
||
|
|
* @param array $schema Snippet Data.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function filter_item_list_schema( $schema ) {
|
||
|
|
if ( ! is_archive() ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
$elements = [];
|
||
|
|
$count = 1;
|
||
|
|
while ( have_posts() ) {
|
||
|
|
the_post();
|
||
|
|
$elements[] = [
|
||
|
|
'@type' => 'ListItem',
|
||
|
|
'position' => $count,
|
||
|
|
'url' => get_the_permalink(),
|
||
|
|
];
|
||
|
|
|
||
|
|
$count++;
|
||
|
|
}
|
||
|
|
|
||
|
|
wp_reset_postdata();
|
||
|
|
|
||
|
|
$schema['itemListElement'] = $elements;
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate Schema Data.
|
||
|
|
*
|
||
|
|
* @param array $schemas Array of json-ld data.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function validate_schema_data( $schemas ) {
|
||
|
|
if ( empty( $schemas ) ) {
|
||
|
|
return $schemas;
|
||
|
|
}
|
||
|
|
|
||
|
|
$validate_types = [ 'Dataset', 'LocalBusiness' ];
|
||
|
|
foreach ( $schemas as $id => $schema ) {
|
||
|
|
$type = isset( $schema['@type'] ) ? $schema['@type'] : '';
|
||
|
|
if ( ! Str::starts_with( 'schema-', $id ) || ! in_array( $type, $validate_types, true ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$hash = [
|
||
|
|
'isPartOf' => true,
|
||
|
|
'publisher' => 'LocalBusiness' === $type,
|
||
|
|
'inLanguage' => 'LocalBusiness' === $type,
|
||
|
|
];
|
||
|
|
|
||
|
|
foreach ( $hash as $property => $value ) {
|
||
|
|
if ( ! $value || ! isset( $schema[ $property ] ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 'Dataset' === $type && 'isPartOf' === $property && ! empty( $schema[ $property ]['@type'] ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
unset( $schemas[ $id ][ $property ] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 'Dataset' === $type && ! empty( $schema['publisher'] ) ) {
|
||
|
|
$schemas[ $id ]['creator'] = $schema['publisher'];
|
||
|
|
unset( $schemas[ $id ]['publisher'] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $schemas;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Schema data from Schema Templates post type.
|
||
|
|
*
|
||
|
|
* @param array $data Array of json-ld data.
|
||
|
|
* @param JsonLD $jsonld Instance of jsonld.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function add_schema_from_shortcode( $data, $jsonld ) {
|
||
|
|
if ( ! is_singular() || ! $this->do_filter( 'rank_math/schema/add_shortcode_schema', true ) ) {
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
global $post;
|
||
|
|
$blocks = parse_blocks( $post->post_content );
|
||
|
|
if ( ! empty( $blocks ) ) {
|
||
|
|
foreach ( $blocks as $block ) {
|
||
|
|
if ( 'rank-math/rich-snippet' !== $block['blockName'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$id = isset( $block['attrs']['id'] ) ? $block['attrs']['id'] : '';
|
||
|
|
$post_id = isset( $block['attrs']['post_id'] ) ? $block['attrs']['post_id'] : '';
|
||
|
|
|
||
|
|
if ( ! $id && ! $post_id ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$data = array_merge( $data, $this->get_schema_data_by_id( $id, $post_id, $jsonld, $data ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$regex = '/\[rank_math_rich_snippet (.*)\]/m';
|
||
|
|
preg_match_all( $regex, $post->post_content, $matches, PREG_SET_ORDER, 0 );
|
||
|
|
if ( ! empty( $matches ) ) {
|
||
|
|
foreach ( $matches as $key => $match ) {
|
||
|
|
parse_str( str_replace( ' ', '&', $match[1] ), $output );
|
||
|
|
|
||
|
|
$post_id = isset( $output['post_id'] ) ? str_replace( [ '"', "'" ], '', $output['post_id'] ) : '';
|
||
|
|
$id = isset( $output['id'] ) ? str_replace( [ '"', "'" ], '', $output['id'] ) : '';
|
||
|
|
$data = array_merge( $data, $this->get_schema_data_by_id( $id, $post_id, $jsonld, $data ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add Manufacturer property to Product schema.
|
||
|
|
*
|
||
|
|
* @param array $schema Product schema data.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function add_manufacturer_property( $schema ) {
|
||
|
|
if ( empty( $schema['manufacturer'] ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
$type = Helper::get_settings( 'titles.knowledgegraph_type' );
|
||
|
|
$type = 'company' === $type ? 'organization' : 'person';
|
||
|
|
|
||
|
|
$schema['manufacturer'] = [ '@id' => home_url( "/#{$type}" ) ];
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove empty offers data from the Product schema.
|
||
|
|
*
|
||
|
|
* @param array $schema Product schema data.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function remove_empty_offers( $schema ) {
|
||
|
|
if (
|
||
|
|
empty( $schema['offers'] ) ||
|
||
|
|
empty( $schema['review'] ) ||
|
||
|
|
(
|
||
|
|
empty( $schema['review']['positiveNotes'] ) &&
|
||
|
|
empty( $schema['review']['negativeNotes'] )
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $schema['offers']['price'] ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
unset( $schema['offers'] );
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Backward compatibility code to move the positiveNotes & negativeNotes properties in review.
|
||
|
|
*
|
||
|
|
* @param array $schema Schema data.
|
||
|
|
* @return array
|
||
|
|
*
|
||
|
|
* @since 3.0.19
|
||
|
|
*/
|
||
|
|
public function schema_entity( $schema ) {
|
||
|
|
if ( empty( $schema['review'] ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $schema['positiveNotes'] ) ) {
|
||
|
|
$schema['review']['positiveNotes'] = $schema['positiveNotes'];
|
||
|
|
unset( $schema['positiveNotes'] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $schema['negativeNotes'] ) ) {
|
||
|
|
$schema['review']['negativeNotes'] = $schema['negativeNotes'];
|
||
|
|
unset( $schema['negativeNotes'] );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert isFamilyFriendly property used in Video schema to boolean.
|
||
|
|
*
|
||
|
|
* @param array $schema Video schema data.
|
||
|
|
* @return array
|
||
|
|
*
|
||
|
|
* @since 2.13.0
|
||
|
|
*/
|
||
|
|
public function convert_familyfriendly_property( $schema ) {
|
||
|
|
if ( empty( $schema['isFamilyFriendly'] ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
$schema['isFamilyFriendly'] = 'True';
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Schema data by ID.
|
||
|
|
*
|
||
|
|
* @param string $id Schema shortcode ID.
|
||
|
|
* @param int $post_id Post ID.
|
||
|
|
* @param JsonLD $jsonld Instance of jsonld.
|
||
|
|
* @param array $data Array of json-ld data.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function get_schema_data_by_id( $id, $post_id, $jsonld, $data ) {
|
||
|
|
$schemas = $id ? DB::get_schema_by_shortcode_id( trim( $id ) ) : DB::get_schemas( trim( $post_id ) );
|
||
|
|
$current_post_id = get_the_ID();
|
||
|
|
if (
|
||
|
|
empty( $schemas ) ||
|
||
|
|
(
|
||
|
|
isset( $schemas['post_id'] ) && $current_post_id === (int) $schemas['post_id']
|
||
|
|
) ||
|
||
|
|
$post_id === $current_post_id
|
||
|
|
) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
$post_id = isset( $schemas['post_id'] ) ? $schemas['post_id'] : $post_id;
|
||
|
|
$schemas = isset( $schemas['schema'] ) ? [ $schemas['schema'] ] : $schemas;
|
||
|
|
$schemas = $jsonld->replace_variables( $schemas, get_post( $post_id ) );
|
||
|
|
$schemas = $jsonld->filter( $schemas, $jsonld, $data );
|
||
|
|
|
||
|
|
if ( isset( $schemas[0]['isPrimary'] ) ) {
|
||
|
|
unset( $schemas[0]['isPrimary'] );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $schemas;
|
||
|
|
}
|
||
|
|
}
|