filter_block_kses

WordPress Version: 6.1

/**
 * Filters and sanitizes a parsed block to remove non-allowable HTML
 * from block attribute values.
 *
 * @since 5.3.1
 *
 * @param WP_Block_Parser_Block $block             The parsed block object.
 * @param array[]|string        $allowed_html      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.
 * @param string[]              $allowed_protocols Optional. Array of allowed URL protocols.
 *                                                 Defaults to the result of wp_allowed_protocols().
 * @return array The filtered and sanitized block object result.
 */
function filter_block_kses($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;
}