apply_block_hooks_to_content() │ WP 6.6.0

Runs the hooked blocks algorithm on the given content.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Return

String. The serialized markup.

Usage

apply_block_hooks_to_content( $content, $context, $callback );
$content(string) (required)
Serialized content.
$context(WP_Block_Template|WP_Post|array) (required)
A block template, template part, wp_navigation post object, or pattern that the blocks belong to.
$callback(callable)
A function that will be called for each block to generate the markup for a given list of blocks that are hooked to it.
Default: 'insert_hooked_blocks'

Changelog

Since 6.6.0 Introduced.

apply_block_hooks_to_content() code WP 6.6.2

wp-includes/blocks.php 
function apply_block_hooks_to_content( $content, $context, $callback = 'insert_hooked_blocks' ) {
	$hooked_blocks = get_hooked_blocks();
	if ( empty( $hooked_blocks ) && ! has_filter( 'hooked_block_types' ) ) {
		return $content;
	}

	$blocks = parse_blocks( $content );

	$before_block_visitor = make_before_block_visitor( $hooked_blocks, $context, $callback );
	$after_block_visitor  = make_after_block_visitor( $hooked_blocks, $context, $callback );

	return traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
}