WP_Block::render() │ public │ WP 5.5.0
Generates the render output for the block.
Method of the class: WP_Block{}
Hooks from the method
Return
String
. Rendered block output.
Usage
$WP_Block = new WP_Block(); $WP_Block->render( $options );
- $options(array)
Optional options object.
Default: array()
- dynamic(true|false)
Defaults to 'true'. Optionally set to false to avoid using the block's render_callback.
- dynamic(true|false)
Notes
- Global. WP_Post. $post Global post object.
Changelog
Since 5.5.0 | Introduced. |
Since 6.5.0 | Added block bindings processing. |
WP_Block::render() WP Block::render code WP 6.6.2
public function render( $options = array() ) { global $post; /* * There can be only one root interactive block at a time because the rendered HTML of that block contains * the rendered HTML of all its inner blocks, including any interactive block. */ static $root_interactive_block = null; /** * Filters whether Interactivity API should process directives. * * @since 6.6.0 * * @param bool $enabled Whether the directives processing is enabled. */ $interactivity_process_directives_enabled = apply_filters( 'interactivity_process_directives', true ); if ( $interactivity_process_directives_enabled && null === $root_interactive_block && ( ( isset( $this->block_type->supports['interactivity'] ) && true === $this->block_type->supports['interactivity'] ) || ! empty( $this->block_type->supports['interactivity']['interactive'] ) ) ) { $root_interactive_block = $this; } $options = wp_parse_args( $options, array( 'dynamic' => true, ) ); // Process the block bindings and get attributes updated with the values from the sources. $computed_attributes = $this->process_block_bindings(); if ( ! empty( $computed_attributes ) ) { // Merge the computed attributes with the original attributes. $this->attributes = array_merge( $this->attributes, $computed_attributes ); } $is_dynamic = $options['dynamic'] && $this->name && null !== $this->block_type && $this->block_type->is_dynamic(); $block_content = ''; if ( ! $options['dynamic'] || empty( $this->block_type->skip_inner_blocks ) ) { $index = 0; foreach ( $this->inner_content as $chunk ) { if ( is_string( $chunk ) ) { $block_content .= $chunk; } else { $inner_block = $this->inner_blocks[ $index ]; $parent_block = $this; /** This filter is documented in wp-includes/blocks.php */ $pre_render = apply_filters( 'pre_render_block', null, $inner_block->parsed_block, $parent_block ); if ( ! is_null( $pre_render ) ) { $block_content .= $pre_render; } else { $source_block = $inner_block->parsed_block; /** This filter is documented in wp-includes/blocks.php */ $inner_block->parsed_block = apply_filters( 'render_block_data', $inner_block->parsed_block, $source_block, $parent_block ); /** This filter is documented in wp-includes/blocks.php */ $inner_block->context = apply_filters( 'render_block_context', $inner_block->context, $inner_block->parsed_block, $parent_block ); $block_content .= $inner_block->render(); } ++$index; } } } if ( ! empty( $computed_attributes ) && ! empty( $block_content ) ) { foreach ( $computed_attributes as $attribute_name => $source_value ) { $block_content = $this->replace_html( $block_content, $attribute_name, $source_value ); } } if ( $is_dynamic ) { $global_post = $post; $parent = WP_Block_Supports::$block_to_render; WP_Block_Supports::$block_to_render = $this->parsed_block; $block_content = (string) call_user_func( $this->block_type->render_callback, $this->attributes, $block_content, $this ); WP_Block_Supports::$block_to_render = $parent; $post = $global_post; } if ( ( ! empty( $this->block_type->script_handles ) ) ) { foreach ( $this->block_type->script_handles as $script_handle ) { wp_enqueue_script( $script_handle ); } } if ( ! empty( $this->block_type->view_script_handles ) ) { foreach ( $this->block_type->view_script_handles as $view_script_handle ) { wp_enqueue_script( $view_script_handle ); } } if ( ! empty( $this->block_type->view_script_module_ids ) ) { foreach ( $this->block_type->view_script_module_ids as $view_script_module_id ) { wp_enqueue_script_module( $view_script_module_id ); } } if ( ( ! empty( $this->block_type->style_handles ) ) ) { foreach ( $this->block_type->style_handles as $style_handle ) { wp_enqueue_style( $style_handle ); } } if ( ( ! empty( $this->block_type->view_style_handles ) ) ) { foreach ( $this->block_type->view_style_handles as $view_style_handle ) { wp_enqueue_style( $view_style_handle ); } } /** * Filters the content of a single block. * * @since 5.0.0 * @since 5.9.0 The `$instance` parameter was added. * * @param string $block_content The block content. * @param array $block The full block, including name and attributes. * @param WP_Block $instance The block instance. */ $block_content = apply_filters( 'render_block', $block_content, $this->parsed_block, $this ); /** * Filters the content of a single block. * * The dynamic portion of the hook name, `$name`, refers to * the block name, e.g. "core/paragraph". * * @since 5.7.0 * @since 5.9.0 The `$instance` parameter was added. * * @param string $block_content The block content. * @param array $block The full block, including name and attributes. * @param WP_Block $instance The block instance. */ $block_content = apply_filters( "render_block_{$this->name}", $block_content, $this->parsed_block, $this ); if ( $root_interactive_block === $this ) { // The root interactive block has finished rendering. Time to process directives. $block_content = wp_interactivity_process_directives( $block_content ); $root_interactive_block = null; } return $block_content; }