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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 |
|---|---|
| 228 | |
| 229 | /** |
| 230 | * Filters the content of a single block. |
| 231 | * |
| 232 | * @since 5.0.0 |
| 233 | * |
| 234 | * @param string $block_content The block content about to be appended. |
| 235 | * @param array $block The full block, including name and attributes. |
| 236 | */ |
| 237 | return apply_filters( 'render_block', $block_content, $this->parsed_block ); |
| 238 | } |
| 239 | |
| 240 | } |
| 241 | |