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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 |
|---|---|
| 260 | $metadata['file'] = wp_normalize_path( realpath( $metadata_file ) ); |
| 261 | |
| 262 | /** |
| 263 | * Filters the metadata provided for registering a block type. |
| 264 | * |
| 265 | * @since 5.7.0 |
| 266 | * |
| 267 | * @param array $metadata Metadata for registering a block type. |
| 268 | */ |
| 269 | $metadata = apply_filters( 'block_type_metadata', $metadata ); |
| 270 | |
| 271 | // Add `style` and `editor_style` for core blocks if missing. |
| 272 | if ( ! empty( $metadata['name'] ) && 0 === strpos( $metadata['name'], 'core/' ) ) { |
| 273 | $block_name = str_replace( 'core/', '', $metadata['name'] ); |
| 274 | |
| 275 | if ( ! isset( $metadata['style'] ) ) { |
| 276 | $metadata['style'] = "wp-block-$block_name"; |
| 277 | } |
| 278 | if ( ! isset( $metadata['editorStyle'] ) ) { |