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"&"这个符号是什么意思,请把小弟我解释上,多谢

WBOY
WBOYOriginal
2016-06-13 13:24:311980browse

"&"这个符号是什么意思,请大虾把我解释下,谢谢!

PHP code
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     public function get_one($sql,$result_type = MYSQL_ASSOC) {  

         $query = $this->query($sql);  

        $rt =& mysql_fetch_array($query,$result_type); //这个等号后面有个"&"符号,是什么意思 
         $this->write_log("获取一条记录 ".$sql);  

       return $rt;  

    }



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引用 ,但在此处用处不大。
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