filter_block_content() WordPress Function

The filter_block_content() function is a built-in WordPress function that allows you to filter the content of a block. This function is useful for making sure that your content is safe and clean before it is displayed on your website. You can use this function to remove unwanted HTML tags, characters, or images from your content.

filter_block_content( string $text, array[]|string $allowed_html = 'post', string[] $allowed_protocols = array() ) #

function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
	$result = '';

	$blocks = parse_blocks( $text );
	foreach ( $blocks as $block ) {
		$block   = filter_block_kses( $block, $allowed_html, $allowed_protocols );
		$result .= serialize_block( $block );
	}

	return $result;
}