PHP Snippet 1:
<?php
$mail = $_POST['id'];
$pass = $_POST['password'];
// check to make sure both fields are entered
if ($mail == '' || $pass == '')
{
// generate error message
$error = 'ERROR: Please fill in all required fields!';
// if either field is blank, display the form again
header("Location: " .$_SERVER['HTTP_REFERER']);
}
else
{
include('dbc.php');
$sql=mysql_query("SELECT * from member where email='$mail' and password='$pass'")or die(mysql_error());
$num=mysql_num_rows($sql);
if($num>0)
{
$admin_data=mysql_fetch_array($sql);
session_start();
$_SESSION['usermatri_id']=$admin_data['mid'];
header("Location: dashboard.php");
}
else
{
header('Location:' . $_SERVER['PHP_SELF']);
}
}
?>
PHP Snippet 2:
if ($phone == '' || $pass == '')
{
// generate error message
$error = 'ERROR: Please fill in all required fields!';
// if either field is blank, display the form again
header("Location: " .$_SERVER['HTTP_REFERER']);
} else{
//the juice...
}
PHP Snippet 3:
$_POST['id'] = 123456;
$_POST['password'] = 123456;
PHP Snippet 4:
ini_set('display_errors',1);
error_reporting(E_ALL);
mysql_connect("localhost","root","")or die(mysql_error('cannot connect'));
mysql_select_db("matrimony");
PHP Snippet 5:
//index.php
<?php
$conn = mysqli_connect("localhost","root","","md5login");
session_start();
if (isset($_SESSION["Email"]))
{
header("location:welcome.php");
}
if (isset($_POST["register"]))
{
if (empty($_POST["Email"]) && empty($_POST["Password"]))
{
echo '<script>alert("Both Field Are Required")</script>';
}
else
{
$Email = mysqli_real_escape_string($conn, $_POST["Email"]);
$Password = mysqli_real_escape_string($conn, $_POST["Password"]);
$Password = md5($Password);
$query = "INSERT INTO client (Email, Password) VALUES('$Email','$Password')";
if (mysqli_query($conn, $query))
{
echo '<script>alert("Rgistration Done")</script>';
}
}
}
if (isset($_POST["login"]))
{
if (empty($_POST["Email"]) && empty($_POST["Password"]))
{
echo '<script>alert("Both r Required")</script>';
}
else
{
$Email = mysqli_real_escape_string($conn, $_POST["Email"]);
$Password = mysqli_real_escape_string($conn, $_POST["Password"]);
$Password = md5($Password);
$query = "SELECT * FROM client WHERE Email = '$Email' AND Password = '$Password'";
$result = mysqli_query($conn, $query);
if (mysqli_num_rows($result) > 0)
{
$_SESSION['Email'] = $Email;
header("location:welcome.php");
}
else
{
echo '<script>alert("Wrong User Details")</script>';
}
}
}
?>
<html>
<head>
<title>Login And Registeration</title>
</head>
<body>
<div class="container" style="width:500px;">
<h3 align="center"> Login And Register </h3>
<br>
<?php
if (isset($_GET["action"]) == "login")
{
?>
<h3 align="center">Login</h3>
<br>
<form method="post">
<label>Enter Email</label>
<input type="text" name="Email">
<br/>
<label>Enter Password</label>
<input type="text" name="Password">
<br/>
<input type="submit" name="login" value="Login">
<br/>
<p align="center"><a href="index.php">Register</a></p>
</form>
<?php
}
else
{
?>
<h3 align="center">Register</h3>
<br>
<form method="post">
<label>Enter Email</label>
<input type="text" name="Email">
<br/>
<label>Enter Password</label>
<input type="text" name="Password">
<br/>
<input type="submit" name="register" value="register">
<br/>
<p align="center"><a href="index.php?action=login">Login</a></p>
</form>
<?php
}
?>
</div>
</body>
</html>
//welcome.php
<?php
session_start();
if (!isset($_SESSION["Email"]))
{
header("location:index.php?action=login");
}
?>
<html>
<head>
<title>Welcome Page</title>
</head>
<body>
<?php
echo '<h2>Welcome - '.$_SESSION["Email"].'</h2>';
echo '<a href="logout.php">Logout </a>';
?>
</body>
</html>
//logout.php
<?php
session_start();
session_destroy();
header("location:index.php?action=login");
?>
