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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 |
|---|---|
| 206 | 'skip_inner_blocks' => true, |
| 207 | ); |
| 208 | |
| 209 | /* |
| 210 | * Filters the metadata object, the same way it's done inside |
| 211 | * `register_block_type_from_metadata()`. This applies some default filters, |
| 212 | * like `_wp_multiple_block_styles`, which is required in this case because |
| 213 | * the block has multiple styles. |
| 214 | */ |
| 215 | $metadata = apply_filters( 'block_type_metadata', $metadata ); |
| 216 | |
| 217 | register_block_type( 'core/post-comments', $metadata ); |
| 218 | } |
| 219 | add_action( 'init', 'register_legacy_post_comments_block', 21 ); |
| 220 | |