render_block_context – Hook | Developer.WordPress.org

apply_filters( ‘render_block_context’, array $context, array $parsed_block, WP_Block|null $parent_block )

Filters the default context provided to a rendered block.

Parameters

$contextarray: Default context.
$parsed_blockarray: Block being rendered, filtered by render_block_data.
$parent_blockWP_Block|null: If this is a nested block, a reference to the parent block.

$context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block );

Used by	Description
WP_Block::render()`wp-includes/class-wp-block.php`	Generates the render output for the block.
render_block()`wp-includes/blocks.php`	Renders a single block into a HTML string.

Version	Description
5.9.0	The `$parent_block` parameter was added.
5.5.0	Introduced.

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