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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 |
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709 |
|
710 | /** |
711 | * Filters the default context provided to a rendered block. |
712 | * |
713 | * @since 5.5.0 |
714 | * |
715 | * @param array $context Default context. |
716 | * @param array $parsed_block Block being rendered, filtered by `render_block_data`. |
717 | */ |
718 | $context = apply_filters( 'render_block_context', $context, $parsed_block ); |
719 |
|
720 | $block = new WP_Block( $parsed_block, $context ); |
721 |
|
722 | return $block->render(); |
723 | } |
724 |
|
725 | /** |
726 | * Parses blocks out of a content string. |
727 | * |