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Add Block Hooks (a.k.a. Auto-inserting Blocks) #5158

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ockham wants to merge 17 commits into from
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Add Block Hooks (a.k.a. Auto-inserting Blocks) #5158

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b926b86
Add callback arg to serialize_blocks
ockham Sep 6, 2023
f7465b9
Inject theme attribute during serialization
ockham Sep 6, 2023
7fda6f5
Add callback arg to serialize_blocks (plural)
ockham Sep 7, 2023
3ad1fd7
Add block_hooks property
ockham Sep 7, 2023
cdcfbcc
Implement get_hooked_blocks()
ockham Sep 7, 2023
c897d86
Implement insert_hooked_block and insert_hooked_blocks
ockham Sep 7, 2023
5013547
Insert hooked blocks during serialization
ockham Sep 7, 2023
c8115dc
Remove stray echo
ockham Sep 11, 2023
37496a0
Map camelCased position string to snake_case
ockham Sep 11, 2023
600e55d
Auto-insert into block pattern
ockham Sep 11, 2023
b1a82fe
Also apply to get_all_registered (needed for REST API)
ockham Sep 11, 2023
25b1ed4
Use third-person singular verb in PHPDoc
ockham Sep 11, 2023
ea1f53f
Use multiline comment format for inline comment
ockham Sep 11, 2023
8fc29bc
Adjust alignment and add Default value to PHPDoc for `serialize_block`
ockham Sep 11, 2023
5cd2ded
Adjust alignment and add Default value to PHPDoc for `serialize_blocks`.
ockham Sep 11, 2023
0267cc9
Don't allow null value for block_hooks
ockham Sep 11, 2023
67e6a34
Placate linter
ockham Sep 11, 2023
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Add callback arg to serialize_blocks
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@ockham
ockham committed Sep 6, 2023
commit b926b86f1585bebcc71efae4819cb8b4593e8714
10 changes: 8 additions & 2 deletions src/wp-includes/blocks.php
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Expand Up @@ -794,16 +794,22 @@ function get_comment_delimited_block_content( $block_name, $block_attributes, $b
* instead preserve the markup as parsed.
*
* @since 5.3.1
* @since 6.4.0 The `$callback` parameter was added.
*
* @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block.
* @param string $callback Optional. Callback to run on the block before serialization.
* @return string String of rendered HTML.
*/
function serialize_block( $block ) {
function serialize_block( $block, $callback = null ) {
if ( is_callable( $callback ) ) {
$block = call_user_func( $callback, $block );
}

$block_content = '';

$index = 0;
foreach ( $block['innerContent'] as $chunk ) {
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ], $callback );
}

if ( ! is_array( $block['attrs'] ) ) {
Expand Down