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Block Hooks: Allow hooked_block filters to return null.

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Allow returning null from the `hooked_block` and `hooked_block_{$hooked_block_type}` filters to suppress a hooked block from being inserted. This is required to allow extenders conditionally inserting a hooked block based on e.g. the value of an attribute of the anchor block.

Props swissspidy, gziolo, joshuatf, tomjcafferkey.
Fixes 60580.

git-svn-id: https://develop.svn.wordpress.org/trunk@57668 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
bernhard-reiter
2024-02-20 15:20:39 +00:00
parent 804360948c
commit 3a206f74a1
3 changed files with 95 additions and 2 deletions
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27
src/wp-includes/blocks.php
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@@ -897,7 +897,7 @@ function insert_hooked_blocks( &$parsed_anchor_block, $relative_position, $hooke
*
* @since 6.5.0
*
* @param array $parsed_hooked_block The parsed block array for the given hooked block type.
* @param array|null $parsed_hooked_block The parsed block array for the given hooked block type, or null to suppress the block.
* @param string $hooked_block_type The hooked block type name.
* @param string $relative_position The relative position of the hooked block.
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
@@ -913,7 +913,7 @@ function insert_hooked_blocks( &$parsed_anchor_block, $relative_position, $hooke
*
* @since 6.5.0
*
* @param array $parsed_hooked_block The parsed block array for the given hooked block type.
* @param array|null $parsed_hooked_block The parsed block array for the given hooked block type, or null to suppress the block.
* @param string $hooked_block_type The hooked block type name.
* @param string $relative_position The relative position of the hooked block.
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
@@ -922,6 +922,10 @@ function insert_hooked_blocks( &$parsed_anchor_block, $relative_position, $hooke
*/
$parsed_hooked_block = apply_filters( "hooked_block_{$hooked_block_type}", $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
if ( null === $parsed_hooked_block ) {
continue;
}
// It's possible that the filter returned a block of a different type, so we explicitly
// look for the original `$hooked_block_type` in the `ignoredHookedBlocks` metadata.
if (
@@ -962,6 +966,25 @@ function set_ignored_hooked_blocks_metadata( &$parsed_anchor_block, $relative_po
return '';
}
foreach ( $hooked_block_types as $index => $hooked_block_type ) {
$parsed_hooked_block = array(
'blockName' => $hooked_block_type,
'attrs' => array(),
'innerBlocks' => array(),
'innerContent' => array(),
);
/** This filter is documented in wp-includes/blocks.php */
$parsed_hooked_block = apply_filters( 'hooked_block', $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
/** This filter is documented in wp-includes/blocks.php */
$parsed_hooked_block = apply_filters( "hooked_block_{$hooked_block_type}", $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
if ( null === $parsed_hooked_block ) {
unset( $hooked_block_types[ $index ] );
}
}
$previously_ignored_hooked_blocks = isset( $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks'] )
? $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks']
: array();