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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2141 | * @type array $attrs Attributes from block comment delimiters. |
| 2142 | * @type array[] $innerBlocks List of inner blocks. An array of arrays that |
| 2143 | * have the same structure as this one. |
| 2144 | * @type string $innerHTML HTML from inside block comment delimiters. |
| 2145 | * @type array $innerContent List of string fragments and null markers where |
| 2146 | * inner blocks were found. |
| 2147 | * } |
| 2148 | * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block. |
| 2149 | */ |
| 2150 | $parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block ); |
| 2151 | |
| 2152 | $context = array(); |
| 2153 | |
| 2154 | if ( $post instanceof WP_Post ) { |
| 2155 | $context['postId'] = $post->ID; |
| 2156 | |
| 2157 | /* |
| 2158 | * The `postType` context is largely unnecessary server-side, since the ID |
| 2159 | * is usually sufficient on its own. That being said, since a block's |