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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 |
|---|---|
| 851 | |
| 852 | /** |
| 853 | * Filters the default context provided to a rendered block. |
| 854 | * |
| 855 | * @since 5.5.0 |
| 856 | * |
| 857 | * @param array $context Default context. |
| 858 | * @param array $parsed_block Block being rendered, filtered by `render_block_data`. |
| 859 | */ |
| 860 | $context = apply_filters( 'render_block_context', $context, $parsed_block ); |
| 861 | |
| 862 | $block = new WP_Block( $parsed_block, $context ); |
| 863 | |
| 864 | return $block->render(); |
| 865 | } |
| 866 | |
| 867 | /** |
| 868 | * Parses blocks out of a content string. |
| 869 | * |