PHP [tidy] - 美化，补全修复html

function beautify_html($html){
    $tidy_config = array(
        'clean' => false,
        'indent' => true,
        'indent-spaces' => 4,
        'output-xhtml' => false,
        'show-body-only' => false,
        'wrap' => 0
        );
    if(function_exists('tidy_parse_string')){ 
        $tidy = tidy_parse_string($html, $tidy_config, 'utf8');
        $tidy -> cleanRepair();
        return $tidy->vlaue;
    } else 
        return $html;
}