# PHP MySQL login script problem **URL:** \ **Category:** programming\ **Created:** [April 23, 2007, 8:24am UTC](https://forum.kirupa.com/t/php-mysql-login-script-problem/223484 "2007-04-23T08:24:19Z")\ **Posts on this page:** 1\ **Page:** 1

**Author:** ![ususim](https://avatars.discourse-cdn.com/v4/letter/u/9fc348/32.png) [@ususim](https://forum.kirupa.com/u/ususim)\ **Post date:** [April 23, 2007, 8:24am UTC](https://forum.kirupa.com/t/php-mysql-login-script-problem/223484/1 "2007-04-23T08:24:19Z")

hi all, i am new to php & mysql. i tried a tutorial at [http://www.tutorialized.com/tutorial/php-simle-login-script/9963](http://www.tutorialized.com/tutorial/php-simle-login-script/9963), modified the database information, but somehow getting an error as below > **Warning** : mysql\_num\_rows(): supplied argument is not a valid MySQL result resource in **/hsphere/local/home/claybric/kc.claybricks.com/checklogin.php** on line **20** > Wrong Username or Password > my testing page is available at: [Untitled Document](http://www.claybricks.com/main_login.php) code for the pages are as follow: main\_login.php \ \ \ \ \Untitled Document\ \ \ \ \ \ \ \

\ \

\Member Login \\ \ \ \

Username\ \

:\ \

\\ \ \ \Password\ \:\ \\\ \ \ \ \ \ \ \\\ \ \ \ \ \ \ \ \ checklogin.php \ and finally, login\_success.php \ \ \\Login\_success\ \ Login Successfully \ \ i’ll really appreciate your help. thanks in advance