Allows render_block() to be short-circuited, by returning a non-null value.

Parameters

$pre_renderstring|null

The pre-rendered content. Default null.

$parsed_blockarray

An associative array of the block being rendered. See WP_Block_Parser_Block.

• blockName string
  Name of block.
• attrs array
  Attributes from block comment delimiters.
• innerBlocks array[]
  List of inner blocks. An array of arrays that have the same structure as this one.
• innerHTML string
  HTML from inside block comment delimiters.
• innerContent array
  List of string fragments and null markers where inner blocks were found.

$parent_blockWP_Block|null

If this is a nested block, a reference to the parent block.

Source

$pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block );

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