php 字符串去除Html所有标签、空格以及空白

//字符串去除Html所有标签、空格以及空白
function cutstr_html($string){
    $string = strip_tags($string);
    $string = trim($string);
    $string = ereg_replace("\t","",$string);
    $string = ereg_replace("\r\n","",$string);
    $string = ereg_replace("\r","",$string);
    $string = ereg_replace("\n","",$string);
    $string = ereg_replace(" ","",$string);
    return trim($string);
}

参考：http://www.php.cn/php-weizijiaocheng-388862.html