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<?php |
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/** |
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* Parse blocks from content and widgets |
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* |
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* @package ghostkit |
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*/ |
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|
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/** |
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* GhostKit_Parse_Blocks |
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*/ |
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class GhostKit_Parse_Blocks { |
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/** |
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* Array of content, that already parsed. |
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* |
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* @var array |
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*/ |
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public static $parsed_content = array(); |
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|
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/** |
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* Array of reusable block IDs, that already parsed. |
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* |
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* @var array |
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*/ |
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public static $parsed_reusable_blocks = array(); |
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|
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/** |
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* Init. |
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*/ |
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public static function init() { |
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add_action( |
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'wp', |
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function() { |
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// Parse methods [classic,modern]. |
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$parse_methods = apply_filters( 'gkt_parse_blocks_methods', current_theme_supports( 'block-templates' ) ? array( 'modern' ) : array( 'classic' ) ); |
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|
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// Simple use `render_block` in FSE themes to enqueue assets. |
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if ( in_array( 'modern', $parse_methods, true ) ) { |
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// Parse all blocks. |
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add_action( 'render_block', 'GhostKit_Parse_Blocks::render_block', 11, 2 ); |
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} |
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|
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// Parse blocks manually from content and custom locations in Classic themes. |
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if ( in_array( 'classic', $parse_methods, true ) ) { |
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// parse blocks from post content. |
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GhostKit_Parse_Blocks::maybe_parse_blocks_from_content(); |
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|
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// parse blocks from custom locations, that uses 'the_content' filter. |
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add_filter( 'the_content', 'GhostKit_Parse_Blocks::maybe_parse_blocks_from_custom_location', 8 ); |
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add_filter( 'widget_block_content', 'GhostKit_Parse_Blocks::maybe_parse_blocks_from_custom_location', 8 ); |
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} else { |
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// FSE / modern-only: extra sources (e.g. Visual Portfolio) are not in the main query. |
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self::maybe_parse_blocks_from_content_sources(); |
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} |
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} |
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); |
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} |
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|
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/** |
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* Standard callback to parse blocks (mostly solves problem with FSE themes and blocks inside templates). |
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* |
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* @param string $block_content - block content. |
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* @param array $block - block data. |
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* |
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* @return string |
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*/ |
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public static function render_block( $block_content, $block ) { |
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// We don't need to parse inner blocks manually, because `render_block` filter will make it for us. |
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$block['innerBlocks'] = false; |
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|
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self::parse_blocks( array( $block ), 'general' ); |
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|
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return $block_content; |
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} |
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|
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/** |
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* Parse blocks from content. |
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*/ |
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public static function maybe_parse_blocks_from_content() { |
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global $wp_query; |
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|
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if ( is_admin() || ! isset( $wp_query->posts ) ) { |
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return; |
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} |
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|
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// parse all posts content. |
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foreach ( $wp_query->posts as $post ) { |
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if ( isset( $post->post_content ) ) { |
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self::maybe_parse_blocks( $post->post_content, 'content' ); |
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} |
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} |
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|
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self::maybe_parse_blocks_from_content_sources(); |
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} |
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|
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/** |
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* Parse block content from additional sources (themes, Visual Portfolio, etc.). |
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* |
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* Filter `gkt_parse_blocks_content_sources` returns an array of sources: |
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* |
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* array( |
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* array( |
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* 'content' => string, // Required. Raw post_content–style block markup. |
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* 'location' => string, // Optional. Default 'content'. Also 'widget'. |
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* ), |
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* ) |
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* |
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* Runs on classic themes with post content and on modern-only themes via `wp`. |
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*/ |
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public static function maybe_parse_blocks_from_content_sources() { |
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$sources = apply_filters( 'gkt_parse_blocks_content_sources', array() ); |
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|
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if ( ! is_array( $sources ) || empty( $sources ) ) { |
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return; |
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} |
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|
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foreach ( $sources as $source ) { |
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if ( ! is_array( $source ) || empty( $source['content'] ) || ! is_string( $source['content'] ) ) { |
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continue; |
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} |
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|
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$location = 'content'; |
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if ( ! empty( $source['location'] ) && is_string( $source['location'] ) ) { |
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$location = $source['location']; |
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} |
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|
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self::maybe_parse_blocks( $source['content'], $location ); |
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} |
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} |
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|
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/** |
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* Parse blocks from custom locations. |
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* |
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* @param string $content - custom content. |
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*/ |
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public static function maybe_parse_blocks_from_custom_location( $content ) { |
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if ( is_admin() ) { |
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return $content; |
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} |
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|
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if ( isset( $content ) ) { |
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self::maybe_parse_blocks( $content, 'content' ); |
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} |
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|
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return $content; |
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} |
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|
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/** |
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* Maybe parse blocks. |
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* |
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* @param string $content - content. |
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* @param string $location - blocks location [content,widget]. |
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*/ |
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public static function maybe_parse_blocks( $content, $location = 'content' ) { |
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if ( |
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isset( $content ) && |
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function_exists( 'has_blocks' ) && |
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function_exists( 'parse_blocks' ) && |
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$content && |
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has_blocks( $content ) |
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) { |
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$is_parsed = false; |
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|
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// check if this content is already parsed. |
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foreach ( self::$parsed_content as $parsed ) { |
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$is_parsed = $is_parsed || $parsed === $content; |
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} |
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|
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if ( ! $is_parsed ) { |
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$blocks = parse_blocks( $content ); |
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self::parse_blocks( $blocks, $location ); |
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|
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self::$parsed_content[] = $content; |
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} |
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} |
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} |
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|
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/** |
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* Parse blocks including reusable and InnerBlocks and call action `ghostkit_parse_blocks`. |
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* |
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* @param array $blocks - blocks array. |
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* @param string $location - blocks location [content,widget]. |
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* @param boolean $is_reusable - is from reusable block. |
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* @param boolean $is_inner_blocks - is from inner blocks. |
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*/ |
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public static function parse_blocks( $blocks, $location = 'content', $is_reusable = false, $is_inner_blocks = false ) { |
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if ( ! is_array( $blocks ) || empty( $blocks ) ) { |
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return; |
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} |
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|
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do_action( 'ghostkit_parse_blocks', $blocks, $location, $is_reusable, $is_inner_blocks ); |
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|
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foreach ( $blocks as $block ) { |
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// Reusable Blocks. |
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if ( isset( $block['blockName'] ) && 'core/block' === $block['blockName'] && isset( $block['attrs']['ref'] ) ) { |
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// Check if this reusable block already parsed. |
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// Fixes possible error with nested reusable blocks. |
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if ( ! in_array( $block['attrs']['ref'], self::$parsed_reusable_blocks, true ) ) { |
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self::$parsed_reusable_blocks[] = $block['attrs']['ref']; |
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|
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$reusable_block = get_post( $block['attrs']['ref'] ); |
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|
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if ( has_blocks( $reusable_block ) && isset( $reusable_block->post_content ) ) { |
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$post_blocks = parse_blocks( $reusable_block->post_content ); |
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self::parse_blocks( $post_blocks, $location, true ); |
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} |
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} |
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} |
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|
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// Inner blocks. |
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if ( isset( $block['innerBlocks'] ) ) { |
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self::parse_blocks( $block['innerBlocks'], $location, $is_reusable, true ); |
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} |
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} |
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} |
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} |
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|
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GhostKit_Parse_Blocks::init(); |
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|
