render_block_data │ filter-hook │ WP 5.1.0

Filters the block being rendered in render_block(), before it's processed.

Usage

add_filter( 'render_block_data', 'wp_kama_render_block_data_filter', 10, 3 );

/**
 * Function for `render_block_data` filter-hook.
 * 
 * @param array         $parsed_block An associative array of the block being rendered. See WP_Block_Parser_Block.
 * @param array         $source_block An un-modified copy of `$parsed_block`, as it appeared in the source content. See WP_Block_Parser_Block.
 * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
 *
 * @return array
 */
function wp_kama_render_block_data_filter( $parsed_block, $source_block, $parent_block ){

	// filter...
	return $parsed_block;
}

$parsed_block(array)

An associative array of the block being rendered. See WP_Block_Parser_Block.

• blockName(string)
  Name of block.

• attrs(array)
  Attributes from block comment delimiters.

• innerBlocks(array[])
  List of inner blocks. An array of arrays that have the same structure as this one.

• innerHTML(string)
  HTML from inside block comment delimiters.

• innerContent(array)
  List of string fragments and null markers where inner blocks were found.

$source_block(array)

An un-modified copy of $parsed_block, as it appeared in the source content. See WP_Block_Parser_Block.

• blockName(string)
  Name of block.

• attrs(array)
  Attributes from block comment delimiters.

• innerBlocks(array[])
  List of inner blocks. An array of arrays that have the same structure as this one.

• innerHTML(string)
  HTML from inside block comment delimiters.

• innerContent(array)
  List of string fragments and null markers where inner blocks were found.

$parent_block(WP_Block|null)

If this is a nested block, a reference to the parent block.

Changelog

Where the hook is called

$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block );

$inner_block->parsed_block = apply_filters( 'render_block_data', $inner_block->parsed_block, $source_block, $parent_block );

Where the hook is used in WordPress

add_filter( 'render_block_data', 'wp_render_block_style_variation_support_styles', 10, 2 );

add_filter( 'render_block_data', 'wp_render_elements_support_styles', 10, 1 );

add_filter( 'render_block_data', 'wp_add_parent_layout_to_parsed_block', 10, 3 );

add_filter( 'render_block_data', 'block_core_gallery_data_id_backcompatibility' );

add_filter( 'render_block_data', 'block_core_latest_posts_migrate_categories' );

add_filter( 'render_block_data', 'block_core_navigation_typographic_presets_backcompatibility' );

add_filter( 'render_block_data', 'block_core_query_disable_enhanced_pagination', 10, 1 );