apply_block_hooks_to_content() – Function

Runs the hooked blocks algorithm on the given content.

Parameters

$contentstringrequired: Serialized content.
$contextWP_Block_Template|WP_Post|arrayrequired: A block template, template part, wp_navigation post object, or pattern that the blocks belong to.
$callbackcallableoptional: 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'.
Default:'insert_hooked_blocks'

Return

string The serialized markup.

Source

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 );
}

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Uses	Description
traverse_and_serialize_blocks()`wp-includes/blocks.php`	Given an array of parsed block trees, applies callbacks before and after serializing them and returns their concatenated output.
make_after_block_visitor()`wp-includes/blocks.php`	Returns a function that injects the hooked blocks after a given block.
make_before_block_visitor()`wp-includes/blocks.php`	Returns a function that injects the theme attribute into, and hooked blocks before, a given block.
get_hooked_blocks()`wp-includes/blocks.php`	Retrieves block types hooked into the given block, grouped by anchor block type and the relative position.
parse_blocks()`wp-includes/blocks.php`	Parses blocks out of a content string.
has_filter()`wp-includes/plugin.php`	Checks if any filter has been registered for a hook.

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Used by	Description
insert_hooked_blocks_into_rest_response()`wp-includes/blocks.php`	Hooks into the REST API response for the core/navigation block and adds the first and last inner blocks.
update_ignored_hooked_blocks_postmeta()`wp-includes/blocks.php`	Updates the wp_postmeta with the list of ignored hooked blocks where the inner blocks are stored as post content.
inject_ignored_hooked_blocks_metadata_attributes()`wp-includes/block-template-utils.php`	Inject ignoredHookedBlocks metadata attributes into a template or template part.

Changelog

Version	Description
6.6.0	Introduced.

apply_block_hooks_to_content( string $content, WP_Block_Template|WP_Post|array $context, callable $callback = ‘insert_hooked_blocks’ ): string

In this article

Parameters

Return

Source

Changelog

User Contributed Notes

apply_block_hooks_to_content( string $content, WP_Block_Template|WP_Post|array $context, callable $callback = ‘insert_hooked_blocks’ ): string

In this article

Parameters

Return

Source

Related

Changelog

User Contributed Notes