mySQL and PHP login page problems -



mySQL and PHP login page problems -

i have been trying create login form. mysql right , connecting database, log in details there , right when inputting error php , message log in details wrong. i'm new php/mysql don't know doing wrong!

code page connects database.

error php: warning: mysql_num_rows() expects parameter 1 resource, null given in /home/bluecode/public_html/intranet/checklogin.php on line 22

the variables form myusername , mypassword.

thanks :)

<?php // username , password sent form $username=stripslashes($_post['myusername']); $password=sha1(stripslashes($_post['mypassword'])); $host="localhost"; // host name $username="bluecode_power"; // mysql username $password="bluecode123"; // mysql password $db_name="bluecode_login"; // database name $tbl_name="members"; // table name // connect server , select databse. mysql_connect("$id", "$username", "$password")or die("cannot connect"); mysql_select_db("$db_name")or die("cannot select databse"); $sql="select * `members` myusername=='$username' , mypassword=='$password'"; // mysql_num_row counting table row $count=mysql_num_rows($result); if($myusername == admin){ session_register("myusername"); session_register("mypassword"); header("location:login_success.php"); } // if result matched $myusername , $mypassword, table row must 1 row if($count==1){ // register $myusername, $mypassword , redirect file "login_success.php" session_register("myusername"); session_register("mypassword"); header("location:login_success.php"); } else { echo "wrong username or password"; } ?>

sql not check values using ==, utilize one=

...where password='the secret'

hth

php mysql apache

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