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

$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.

File: wp-includes/blocks.php. View all references

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