Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_excerpt_render_inner_blocks( array $parsed_block, array $allowed_blocks )

Render inner blocks from the allowed wrapper blocks for generating an excerpt.

Parameters Parameters


(array) (Required) The parsed block.


(array) (Required) The list of allowed inner blocks.

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Return Return

(string) The rendered inner blocks.

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Source Source

File: wp-includes/blocks.php

function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
	$output = '';

	foreach ( $parsed_block['innerBlocks'] as $inner_block ) {
		if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) {

		if ( empty( $inner_block['innerBlocks'] ) ) {
			$output .= render_block( $inner_block );
		} else {
			$output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks );

	return $output;

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Changelog Changelog

Version Description
5.8 Introduced.

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