render_block_data │ filter-hook │ WP 5.1.0

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 The block being rendered.
 * @param array         $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
 * @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)

The block being rendered.

$source_block(array)

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

$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', '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' );