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

In this article

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

function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
	$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );

	if ( is_array( $block['innerBlocks'] ) ) {
		foreach ( $block['innerBlocks'] as $i => $inner_block ) {
			$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
		}
	}

	return $block;
}

Changelog

VersionDescription
5.3.1Introduced.

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