An error is reported, hoping that 1 is a string

Question

mysql_set_charset($conn,'utf8');   //设置字符集

$sql = "insert into user(username,password,createtime,createip) values (".$username."','".$password."','".$time."','".$ip.")";

$result = mysql_query($conn, $sql);

Answer 1

You can put your sql statement in the mysql client command line and execute it, and you should be able to find the error! I hope this newbie like me can help you!

Answer 2

Please print and see if all subsequent changes have been fully parsed