filter_block_kses() – Function | Developer.WordPress.org

filter_block_kses( WP_Block_Parser_Block $block, array[]|string $allowed_html, string[] $allowed_protocols = array() ): array

Filters and sanitizes a parsed block to remove non-allowable HTML from block attribute values.

Parameters

$blockWP_Block_Parser_Blockrequired: The parsed block object.
$allowed_htmlarray[]|stringrequired: An array of allowed HTML elements and attributes, or a context name such as 'post'. See wp_kses_allowed_html() for the list of accepted context names.
$allowed_protocolsstring[]optional: Array of allowed URL protocols.
Defaults to the result of wp_allowed_protocols() .
Default:array()

Return

array The filtered and sanitized block object result.

Source

		$nulls         = array_fill( 0, count( $blocks_to_insert ), null );
		array_splice( $inner_content, $content_index, 1, $nulls );
	}

	// Skip inserted blocks.
	$i += count( $blocks_to_insert );
} else {
	if ( ! empty( $blocks[ $i ]['innerBlocks'] ) ) {
		$prev_inner_content           = $inner_content;
		$inner_content                = $blocks[ $i ]['innerContent'];
		$blocks[ $i ]['innerBlocks']  = resolve_pattern_blocks(

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Changelog

Version	Description
5.3.1	Introduced.

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