wp-includes/blocks.php:1388Returns a function that injects the hooked blocks after a given block.
$hooked_blocksarray$contextWP_Block_Template|WP_Post|array$callbackcallableoptional'insert_hooked_blocks'callablefunction make_after_block_visitor( $hooked_blocks, $context, $callback = 'insert_hooked_blocks' ) { /** * Injects hooked blocks after the given block, and returns the serialized markup. * * Append the markup for any blocks hooked `after` the given block and as its parent's * `last_child`, respectively, to the serialized markup for the given block. * * @param array $block The block to inject the hooked blocks after. Passed by reference. * @param array $parent_block The parent block of the given block. Passed by reference. Default null. * @param array $next The next sibling block of the given block. Default null. * @return string The serialized markup for the given block, with the markup for any hooked blocks appended to it. */ return function ( &$block, &$parent_block = null, $next = null ) use ( $hooked_blocks, $context, $callback ) { $markup = call_user_func_array( $callback, array( &$block, 'after', $hooked_blocks, $context ) ); if ( $parent_block && ! $next ) { // Candidate for last-child insertion. $markup .= call_user_func_array( $callback, array( &$parent_block, 'last_child', $hooked_blocks, $context ) ); } return $markup; };}Introduced in 6.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.