I am new about php and trying to create a register and login script, but i am facing some problem. when I am submitting registration form it is showing a error message:
Notice: Undefined index: register in C:\xampp\htdocs\hms3\actions.php on line 8
<?php
require_once("config.php");
if(isset($_REQUEST['login']))
{
$obj=new configs;
$obj->login();
}
elseif($_REQUEST['register'])
{
$obj= new configs;
$obj->register();
}
?>
above codes are in actions.php
<?php
session_start();
$_POST['msg']="works";
class configs
{
function login()
{
$con = mysqli_connect("localhost","dbuser","12345","hms");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$username=$_REQUEST['username'];
$password=$_REQUEST['password'];
$result = mysqli_query($con,"SELECT * FROM user WHERE username = '".$username."'");
$row = mysqli_fetch_array($result);
$_SESSION['username']=$row['username'];
$_SESSION['password']=$row['password'];
if($username==$row['username'] && $password==$row['password'])
{
header("location:index.php");
}
else
{
header("location:Login.php?msg=usernamepasswordincorrect");
}
}
function register()
{
$username=$_REQUEST['username'];
$password=$_REQUEST['password'];
if($username!=""&&$password!="")
{
$con = mysqli_connect("localhost","dbuser","12345","hms");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$username=$_REQUEST['username'];
$password=$_REQUEST['password'];
$result = mysqli_query($con,"SELECT * FROM user WHERE username = '".$username."'");
$row = mysqli_fetch_array($result);
if($row['username']!=$username)
{
mysqli_query($con,"INSERT INTO user (username, password) VALUES ('$username', '$password')");
header("location:register.php?msg=success");
}
else
{
header("location:register.php?msg=usernameexists");
}
}
elseif($username=""&&$password="")
{
header("location:register.php?msg=both");
}
}
}
?>
Registration Form HTML codes below:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Register Here</title>
</head>
<body>
<center>
<?php
if(isset($_REQUEST['msg']))
{
if($_REQUEST['msg']=='success')
{
echo "Registration Successful. Now You Can Login To Your Account <a href='login.php'>Here</a>";
}
elseif($_REQUEST['msg']=='usernameexists')
{
echo "Username Already Exists";
}
elseif($_REQUEST['msg']=='both')
{
echo "Please Enter A Username And Password";
}
}
?>
<h1>Register Here</h1>
<form action="actions.php" method="post">
<fieldset style="width: 650px;">
<legend>Patient Details</legend>
<table>
<tbody><tr>
<td>
<label for="firstname">First Name:</label>
</td>
<td><input name="firstname" type="text"></td>
<td><label for="lastname">Last Name:</label></td>
<td><input name="lastname" type="text"></td>
</tr>
<tr>
<td>
<label for="occupation">Occupation:</label>
</td>
<td><input name="occupation" type="text"></td>
<td><label for="religion">Religion:</label></td>
<td><input name="religion" type="text"></td>
</tr>
<tr>
<td><label for="birthday">Date of Birth</label></td>
<td><input name="birthday" type="text"></td>
<td><label for="sex">Sex</label></td>
<td><input name="sex" value="male" checked="" type="radio">Male
<input name="sex" value="female" type="radio">Female
</td>
</tr>
<tr>
<td><label for="telephone">Telephone:</label></td>
<td><input name="telephone" type="text"></td>
<td><label for="mobile">Mobile:</label></td>
<td><input name="mobile" type="text"></td>
</tr>
<tr>
<td><label for="presentaddress" />Present Address:</label></td>
<td><textarea name="presentaddress"></textarea></td>
<td><label for="permanentaddress" />Permanent Address:</label></td>
<td><textarea name="permanentaddress"></textarea></td>
</tr>
</tbody></table></fieldset>
<fieldset style="width: 650px;">
<table>
<legend>Medical Details</legend>
<tr>
<td><label for="diseasestype" />Diseases Type:</label></td>
<td><input type="text" name="diseasestype" /></td>
<td><label for="diseases" />Diseases Name:</label></td>
<td><input type="text" name="diseases" /></td>
</tr>
<tr>
<td><label for="referd" />Refd. By:</label></td>
<td><input type="text" name="refd" /></td>
<td><label for="specialist" />Specialist:</label></td>
<td><input type="text" name="specialist" /></td>
</tr>
<tr>
<td><label for="serial" />Serial Number:</label></td>
<td><input type="text" name="serial" /></td>
<td><label for="payment" />Payment:</label></td>
<td><input type="text" name="payment" /></td>
</tr>
<tr>
<td><label for="ward" />Ward No.:</label></td>
<td><input type="text" name="ward" /></td>
<td><label for="bed" />Bed No.:</label</td>
<td><input type="text" name="bed" /></td>
</tr>
<tr>
<td><label for="username" />Username:</label></td>
<td><input type="text" name="username" /></td>
<td><label for="password" />Password:</label</td>
<td><input type="password" name="password" /></td>
</tr>
</table>
</fieldset>
<input type="submit" value="Submit Details" />
</form>
</center>
</body>
</html>
Now I am trying to show profile info when a user logged in.
<?php
session_start();
if(isset($_SESSION['username']))
{
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Only People Who Are Logged In Will See This Page</title>
</head>
<body>
<center>
<?php
$servername = "localhost";
$username = "dbuser";
$password = "12345";
$dbname = "hms";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT firstname, lastname FROM patient";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
echo "<table><tr><th>ID</th><th>Name</th></tr>";
// output data of each row
while($row = $result->fetch_assoc()) {
echo "<tr><td>" . $row["id"]. "</td><td>" . $row["firstname"]. " " . $row["lastname"]. "</td></tr>";
}
echo "</table>";
} else {
echo "0 results";
}
$conn->close();
?>
</center>
</body>
</html>';
}
else
{
header("location:login.php?msg=you");
}
?>
