递归过滤标点符号

recursive-filter-punctuation.php

<php
    public function getFilterStr($str)
    {
        //$str = "环境优雅，干净卫生，，，，服务态。。。。度亲切，性价比高，涉外宾馆，值得推荐??????";
        $filteredStr = $this->filterSign($str);
        return $filteredStr;
    }

    protected function filterSign($str)
    {
        $punctuationArr = [
            "！", "!",
            "？", "?",
            "～", "~",
            "。", ".",
            "：", ":",
            "，", ","
        ];
        foreach ($punctuationArr as $sign) {
            if (strpos($str, $sign . $sign) !== false) {
                $str = str_replace($sign . $sign, $sign, $str);
                $str = $this->filterSign($str);
            }
        }
        return $str;
    }
    
 ?>