$str = '你好,,吗,,,再见了,哈哈,';
$arr = split(',',$str);
$arr_new = array_filter($arr,'isempty');
$str_new = join(',',$arr_new);
echo $str_new;
function isempty($var){
return !empty($var);
}
$arr = split(',',$str);
$arr_new = array_filter($arr,'isempty');
$str_new = join(',',$arr_new);
echo $str_new;
function isempty($var){
return !empty($var);
}
-_-b.....,这个的确能解决问题。不知Mysql里面有正则表达式函数否,有就好办。
顶你,呵呵,另一个帖子里看了你的SQL,经验丰富啊!