php mysql 用户注册源代码

$self = $_SERVER['PHP_SELF'];

$firstname = $_POST['firstname'];

$lastname = $_POST['lastname'];

$username = $_POST['username'];

$password = $_POST['password'];

if( (!$firstname) or (!$lastname) or (!$username) or (!$password) )

{

$form ="Please enter all new user details...";

$form.="

echo($form);

}

else

{

$conn = @mysql_connect("localhost","root","") or die("Could not connect to MySQL");

$db = @mysql_select_db("my_database",$conn) or die("Could not select database");

$sql = "insert into users (first_name,last_name,user_name,password)values ("$firstname","$lastname","$username",password("$password") )";

$result = @mysql_query($sql,$conn)or die("Could not execute query");

if($result){

echo("New user $username added");

}

}

?>

（编辑：李大同）

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