去掉代码中所有注释

function removeComment($content) {
    return preg_replace("/(\/\*(\s|.)*?\*\/)|(\/\/.(\s|.*))|(#(\s*)?(.*))/", '', str_replace(array("\r\n", "\r"), "\n", $content));
}

$content = file_get_contents("./test.php");

echo removeComment($content);