可能重复:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resourcein /home/valerie2/public_html/elinkswap/snorris/filename.php on line 89
Warning: mysql_num_rows(): suppliedargument is not a valid <em
我一直使用mysql_num_rows()收到错误消息,你能帮我找出我的代码出了什么问题吗?<?#[^A-Za-z0-9]#i', '', $_POST["password"]); // filter everything but numbers and letters
// ------- MAKE SURE P