Edit file File name : structured-data-blocks.php Content :<?php namespace Yoast\WP\SEO\Integrations\Blocks; use WPSEO_Admin_Asset_Manager; use Yoast\WP\SEO\Conditionals\No_Conditionals; use Yoast\WP\SEO\Helpers\Image_Helper; use Yoast\WP\SEO\Integrations\Integration_Interface; /** * Class to load assets required for structured data blocks. */ class Structured_Data_Blocks implements Integration_Interface { use No_Conditionals; /** * An instance of the WPSEO_Admin_Asset_Manager class. * * @var WPSEO_Admin_Asset_Manager */ protected $asset_manager; /** * An instance of the image helper class. * * @var Image_Helper */ protected $image_helper; /** * The image caches per post. * * @var array */ protected $caches = []; /** * The used cache keys per post. * * @var array */ protected $used_caches = []; /** * Whether or not we've registered our shutdown function. * * @var bool */ protected $registered_shutdown_function = false; /** * Structured_Data_Blocks constructor. * * @param WPSEO_Admin_Asset_Manager $asset_manager The asset manager. * @param Image_Helper $image_helper The image helper. */ public function __construct( WPSEO_Admin_Asset_Manager $asset_manager, Image_Helper $image_helper ) { $this->asset_manager = $asset_manager; $this->image_helper = $image_helper; } /** * Registers hooks for Structured Data Blocks with WordPress. * * @return void */ public function register_hooks() { $this->register_blocks(); } /** * Registers the blocks. * * @return void */ public function register_blocks() { /** * Filter: 'wpseo_enable_structured_data_blocks' - Allows disabling Yoast's schema blocks entirely. * * @param bool $enable If false, our structured data blocks won't show. */ if ( ! \apply_filters( 'wpseo_enable_structured_data_blocks', true ) ) { return; } \register_block_type( \WPSEO_PATH . 'blocks/structured-data-blocks/faq/block.json', [ 'render_callback' => [ $this, 'optimize_faq_images' ], ] ); \register_block_type( \WPSEO_PATH . 'blocks/structured-data-blocks/how-to/block.json', [ 'render_callback' => [ $this, 'optimize_how_to_images' ], ] ); } /** * Optimizes images in the FAQ blocks. * * @param array $attributes The attributes. * @param string $content The content. * * @return string The content with images optimized. */ public function optimize_faq_images( $attributes, $content ) { if ( ! isset( $attributes['questions'] ) ) { return $content; } return $this->optimize_images( $attributes['questions'], 'answer', $content ); } /** * Transforms the durations into a translated string containing the count, and either singular or plural unit. * For example (in en-US): If 'days' is 1, it returns "1 day". If 'days' is 2, it returns "2 days". * If a number value is 0, we don't output the string. * * @param number $days Number of days. * @param number $hours Number of hours. * @param number $minutes Number of minutes. * @return array Array of pluralized durations. */ private function transform_duration_to_string( $days, $hours, $minutes ) { $strings = []; if ( $days ) { $strings[] = \sprintf( /* translators: %d expands to the number of day/days. */ \_n( '%d day', '%d days', $days, 'wordpress-seo' ), $days ); } if ( $hours ) { $strings[] = \sprintf( /* translators: %d expands to the number of hour/hours. */ \_n( '%d hour', '%d hours', $hours, 'wordpress-seo' ), $hours ); } if ( $minutes ) { $strings[] = \sprintf( /* translators: %d expands to the number of minute/minutes. */ \_n( '%d minute', '%d minutes', $minutes, 'wordpress-seo' ), $minutes ); } return $strings; } /** * Formats the durations into a translated string. * * @param array $attributes The attributes. * @return string The formatted duration. */ private function build_duration_string( $attributes ) { $days = ( $attributes['days'] ?? 0 ); $hours = ( $attributes['hours'] ?? 0 ); $minutes = ( $attributes['minutes'] ?? 0 ); $elements = $this->transform_duration_to_string( $days, $hours, $minutes ); $elements_length = \count( $elements ); switch ( $elements_length ) { case 1: return $elements[0]; case 2: return \sprintf( /* translators: %s expands to a unit of time (e.g. 1 day). */ \__( '%1$s and %2$s', 'wordpress-seo' ), ...$elements ); case 3: return \sprintf( /* translators: %s expands to a unit of time (e.g. 1 day). */ \__( '%1$s, %2$s and %3$s', 'wordpress-seo' ), ...$elements ); default: return ''; } } /** * Presents the duration text of the How-To block in the site language. * * @param array $attributes The attributes. * @param string $content The content. * * @return string The content with the duration text in the site language. */ public function present_duration_text( $attributes, $content ) { $duration = $this->build_duration_string( $attributes ); // 'Time needed:' is the default duration text that will be shown if a user doesn't add one. $duration_text = \__( 'Time needed:', 'wordpress-seo' ); if ( isset( $attributes['durationText'] ) && $attributes['durationText'] !== '' ) { $duration_text = $attributes['durationText']; } return \preg_replace( '/(<p class="schema-how-to-total-time">)(<span class="schema-how-to-duration-time-text">.*<\/span>)(.[^\/p>]*)(<\/p>)/', '<p class="schema-how-to-total-time"><span class="schema-how-to-duration-time-text">' . $duration_text . ' </span>' . $duration . '</p>', $content, 1 ); } /** * Optimizes images in the How-To blocks. * * @param array $attributes The attributes. * @param string $content The content. * * @return string The content with images optimized. */ public function optimize_how_to_images( $attributes, $content ) { if ( ! isset( $attributes['steps'] ) ) { return $content; } $content = $this->present_duration_text( $attributes, $content ); return $this->optimize_images( $attributes['steps'], 'text', $content ); } /** * Optimizes images in structured data blocks. * * @param array $elements The list of elements from the block attributes. * @param string $key The key in the data to iterate over. * @param string $content The content. * * @return string The content with images optimized. */ private function optimize_images( $elements, $key, $content ) { global $post; if ( ! $post ) { return $content; } $this->add_images_from_attributes_to_used_cache( $post->ID, $elements, $key ); // Then replace all images with optimized versions in the content. $content = \preg_replace_callback( '/<img[^>]+>/', function ( $matches ) { \preg_match( '/src="([^"]+)"/', $matches[0], $src_matches ); if ( ! $src_matches || ! isset( $src_matches[1] ) ) { return $matches[0]; } $attachment_id = $this->attachment_src_to_id( $src_matches[1] ); if ( $attachment_id === 0 ) { return $matches[0]; } $image_size = 'full'; $image_style = [ 'style' => 'max-width: 100%; height: auto;' ]; \preg_match( '/style="[^"]*width:\s*(\d+)px[^"]*"/', $matches[0], $style_matches ); if ( $style_matches && isset( $style_matches[1] ) ) { $width = (int) $style_matches[1]; $meta_data = \wp_get_attachment_metadata( $attachment_id ); if ( isset( $meta_data['height'] ) && isset( $meta_data['width'] ) && $meta_data['height'] > 0 && $meta_data['width'] > 0 ) { $aspect_ratio = ( $meta_data['height'] / $meta_data['width'] ); $height = ( $width * $aspect_ratio ); $image_size = [ $width, $height ]; } $image_style = ''; } /** * Filter: 'wpseo_structured_data_blocks_image_size' - Allows adjusting the image size in structured data blocks. * * @since 18.2 * * @param string|int[] $image_size The image size. Accepts any registered image size name, or an array of width and height values in pixels (in that order). * @param int $attachment_id The id of the attachment. * @param string $attachment_src The attachment src. */ $image_size = \apply_filters( 'wpseo_structured_data_blocks_image_size', $image_size, $attachment_id, $src_matches[1] ); $image_html = \wp_get_attachment_image( $attachment_id, $image_size, false, $image_style ); if ( empty( $image_html ) ) { return $matches[0]; } return $image_html; }, $content ); if ( ! $this->registered_shutdown_function ) { \register_shutdown_function( [ $this, 'maybe_save_used_caches' ] ); $this->registered_shutdown_function = true; } return $content; } /** * If the caches of structured data block images have been changed, saves them. * * @return void */ public function maybe_save_used_caches() { foreach ( $this->used_caches as $post_id => $used_cache ) { if ( isset( $this->caches[ $post_id ] ) && $used_cache === $this->caches[ $post_id ] ) { continue; } \update_post_meta( $post_id, 'yoast-structured-data-blocks-images-cache', $used_cache ); } } /** * Converts an attachment src to an attachment ID. * * @param string $src The attachment src. * * @return int The attachment ID. 0 if none was found. */ private function attachment_src_to_id( $src ) { global $post; if ( isset( $this->used_caches[ $post->ID ][ $src ] ) ) { return $this->used_caches[ $post->ID ][ $src ]; } $cache = $this->get_cache_for_post( $post->ID ); if ( isset( $cache[ $src ] ) ) { $this->used_caches[ $post->ID ][ $src ] = $cache[ $src ]; return $cache[ $src ]; } $this->used_caches[ $post->ID ][ $src ] = $this->image_helper->get_attachment_by_url( $src ); return $this->used_caches[ $post->ID ][ $src ]; } /** * Returns the cache from postmeta for a given post. * * @param int $post_id The post ID. * * @return array The images cache. */ private function get_cache_for_post( $post_id ) { if ( isset( $this->caches[ $post_id ] ) ) { return $this->caches[ $post_id ]; } $cache = \get_post_meta( $post_id, 'yoast-structured-data-blocks-images-cache', true ); if ( ! $cache ) { $cache = []; } $this->caches[ $post_id ] = $cache; return $cache; } /** * Adds any images that have their ID in the block attributes to the cache. * * @param int $post_id The post ID. * @param array $elements The elements. * @param string $key The key in the elements we should loop over. * * @return void */ private function add_images_from_attributes_to_used_cache( $post_id, $elements, $key ) { // First grab all image IDs from the attributes. $images = []; foreach ( $elements as $element ) { if ( ! isset( $element[ $key ] ) ) { continue; } if ( isset( $element[ $key ] ) && \is_array( $element[ $key ] ) ) { foreach ( $element[ $key ] as $part ) { if ( ! \is_array( $part ) || ! isset( $part['type'] ) || $part['type'] !== 'img' ) { continue; } if ( ! isset( $part['key'] ) || ! isset( $part['props']['src'] ) ) { continue; } $images[ $part['props']['src'] ] = (int) $part['key']; } } } if ( isset( $this->used_caches[ $post_id ] ) ) { $this->used_caches[ $post_id ] = \array_merge( $this->used_caches[ $post_id ], $images ); } else { $this->used_caches[ $post_id ] = $images; } } /* DEPRECATED METHODS */ /** * Enqueue Gutenberg block assets for backend editor. * * @deprecated 22.7 * @codeCoverageIgnore * * @return void */ public function enqueue_block_editor_assets() { \_deprecated_function( __METHOD__, 'Yoast SEO 22.7' ); } } Save