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<?php |
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|
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namespace Yoast\WP\SEO\Helpers\Schema; |
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|
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use Closure; |
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use WPSEO_Replace_Vars; |
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use Yoast\WP\SEO\Conditionals\No_Conditionals; |
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use Yoast\WP\SEO\Config\Schema_IDs; |
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use Yoast\WP\SEO\Context\Meta_Tags_Context; |
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use Yoast\WP\SEO\Helpers\Date_Helper; |
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use Yoast\WP\SEO\Presentations\Indexable_Presentation; |
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|
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/** |
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* Registers the Schema replace variables and exposes a method to replace variables on a Schema graph. |
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*/ |
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class Replace_Vars_Helper { |
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|
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use No_Conditionals; |
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|
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/** |
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* The replace vars. |
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* |
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* @var WPSEO_Replace_Vars |
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*/ |
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protected $replace_vars; |
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|
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/** |
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* The Schema ID helper. |
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* |
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* @var ID_Helper |
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*/ |
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protected $id_helper; |
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|
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/** |
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* The date helper. |
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* |
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* @var Date_Helper |
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*/ |
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protected $date_helper; |
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|
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/** |
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* Replace_Vars_Helper constructor. |
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* |
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* @param WPSEO_Replace_Vars $replace_vars The replace vars. |
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* @param ID_Helper $id_helper The Schema ID helper. |
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* @param Date_Helper $date_helper The date helper. |
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*/ |
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public function __construct( |
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WPSEO_Replace_Vars $replace_vars, |
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ID_Helper $id_helper, |
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Date_Helper $date_helper |
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) { |
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$this->replace_vars = $replace_vars; |
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$this->id_helper = $id_helper; |
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$this->date_helper = $date_helper; |
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} |
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|
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/** |
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* Replaces the variables. |
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* |
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* @param array $schema_data The Schema data. |
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* @param Indexable_Presentation $presentation The indexable presentation. |
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* |
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* @return array The array with replaced vars. |
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*/ |
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public function replace( array $schema_data, Indexable_Presentation $presentation ) { |
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foreach ( $schema_data as $key => $value ) { |
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if ( \is_array( $value ) ) { |
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$schema_data[ $key ] = $this->replace( $value, $presentation ); |
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|
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continue; |
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} |
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|
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$schema_data[ $key ] = $this->replace_vars->replace( $value, $presentation->source ); |
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} |
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|
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return $schema_data; |
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} |
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|
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/** |
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* Registers the Schema-related replace vars. |
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* |
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* @param Meta_Tags_Context $context The meta tags context. |
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* |
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* @return void |
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*/ |
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public function register_replace_vars( $context ) { |
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$replace_vars = [ |
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'main_schema_id' => $context->main_schema_id, |
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'author_id' => $this->id_helper->get_user_schema_id( $context->indexable->author_id, $context ), |
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'person_id' => $context->site_url . Schema_IDs::PERSON_HASH, |
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'primary_image_id' => $context->canonical . Schema_IDs::PRIMARY_IMAGE_HASH, |
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'webpage_id' => $context->main_schema_id, |
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'website_id' => $context->site_url . Schema_IDs::WEBSITE_HASH, |
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'organization_id' => $context->site_url . Schema_IDs::ORGANIZATION_HASH, |
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]; |
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|
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if ( $context->post ) { |
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// Post does not always exist, e.g. on term pages. |
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$replace_vars['post_date'] = $this->date_helper->format( $context->post->post_date, \DATE_ATOM ); |
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} |
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|
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foreach ( $replace_vars as $var => $value ) { |
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$this->register_replacement( $var, $value ); |
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} |
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} |
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|
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/** |
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* Registers a replace var and its value. |
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* |
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* @param string $variable The replace variable. |
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* @param string $value The value that the variable should be replaced with. |
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* |
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* @return void |
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*/ |
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protected function register_replacement( $variable, $value ) { |
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$this->replace_vars->safe_register_replacement( |
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$variable, |
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$this->get_identity_function( $value ), |
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); |
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} |
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|
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/** |
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* Returns an anonymous function that in turn just returns the given value. |
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* |
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* @param mixed $value The value that the function should return. |
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* |
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* @return Closure A function that returns the given value. |
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*/ |
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protected function get_identity_function( $value ) { |
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return static function () use ( $value ) { |
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return $value; |
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}; |
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} |
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} |
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|