Facebook like Social Media login logout code in PHP and MySQL.

index.php

<?php
include "config.php";


if(isset($_POST['but_submit'])){

    $uname = $_POST['txt_uname'];
    $password = $_POST['txt_pwd'];


    if ($uname != "" && $password != ""){

        $sql_query = "select count(*) as cntUser from users where username='".$uname."' and password='".$password."'";
        $result = mysqli_query($con,$sql_query);
        $row = mysqli_fetch_array($result);

        $count = $row['cntUser'];

        if($count > 0){
            $_SESSION['uname'] = $uname;
            header('Location: home.php');
        }else{
            echo "Invalid username and password";
        }

    }

}
?>
  
<html>
<head>
<title>facebook</title>
</head>
<style>
    body
    {
        background-color:#f0f2f5;
    }
.a{
color:#1877f2;
font-size:60;
margin-top:200px;
margin-left:160px;
font-style: bold;
}
.b{
    padding: 0px 0px 20px;
color:black;
font-size:25;
margin-top:15px;
margin-left:140px;
margin-right:55%;
}
  
button {   
       background-color:steelblue;   
       width: 100%;  
        color:white;   
        padding: 15px;   
        margin: 10px 0px;   
        border: none;   
        cursor: pointer;  
        border-radius: 5px;
        background-color: #1877f2;
        font-size: 20px;
         }   
 form {   
        border: 3px solid #f1f1f1;   
    }   
 input[type=text], input[type=password] {   
        width: 60%;   
        margin: 8px 0;  
        padding: 12px 20px;   
        display: inline-block;   
        border: 1px grey;   
        box-sizing: 25%;   
    }  
 button:hover {   
        opacity: 0.7;   
    }   
  .cancelbtn {   
        width: 80%;   
        padding: 10px 18px;  
        margin: 10px 5px; 
        background-color: #42b72a; 
        text-align: center;
        text-decoration:none;
    }   
    .login{
        background-color: #1877f2; 
        text-align: center;
        width: 80%;   
        padding: 10px 18px;  
        margin: 10px 5px;  
        text-align: center;
        border-radius: 12px;
    }
 .container {   
    padding: 45px;   
    background-color:white;  
	width:400px;
	position: absolute;
	float: right;
	right: 100px;
	top: 20%;
    }  
</style>
<body>
<h1 class='a'> facebook<h1>
<h2 class='b'>Facebook helps you connect and share with the people in your life.</h2>
    <form method="post" action="">  
        <div class="container" id="div_login">   
            <label>Username : </label>   
            <input type="text" class="textbox" id="txt_uname" name="txt_uname" placeholder="Username" />
            <br><label>Password : </label>   
            <input type="password" class="textbox" id="txt_uname" name="txt_pwd" placeholder="Password"/><br>
            <input class="login" type="submit" value="Login" name="but_submit" id="but_submit" />
        
            
      <br>
             <a style="text-decoration: none;" href="#">Forgot password? </a>   <br>
            <button onClick="document.location='signup.php'" type="button" class="cancelbtn">Create New Account </button><br> 
</div>   
</form>   
</body>
</html>

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<?php

include "config.php";

if(isset($_POST['but_submit'])){

$uname = $_POST['txt_uname'];

$password = $_POST['txt_pwd'];

if ($uname != "" && $password != ""){

$sql_query = "select count(*) as cntUser from users where username='".$uname."' and password='".$password."'";

$result = mysqli_query($con,$sql_query);

$row = mysqli_fetch_array($result);

$count = $row['cntUser'];

if($count > 0){

$_SESSION['uname'] = $uname;

header('Location: home.php');

}else{

echo "Invalid username and password";

}

<html>

<head>

<title>facebook</title>

</head>

<style>

body

{

background-color:#f0f2f5;

}

.a{

color:#1877f2;

font-size:60;

margin-top:200px;

margin-left:160px;

font-style: bold;

}

.b{

padding: 0px 0px 20px;

color:black;

font-size:25;

margin-top:15px;

margin-left:140px;

margin-right:55%;

}

button {

background-color:steelblue;

width: 100%;

color:white;

padding: 15px;

margin: 10px 0px;

border: none;

cursor: pointer;

border-radius: 5px;

background-color: #1877f2;

font-size: 20px;

}

form {

border: 3px solid #f1f1f1;

}

input[type=text], input[type=password] {

width: 60%;

margin: 8px 0;

padding: 12px 20px;

display: inline-block;

border: 1px grey;

box-sizing: 25%;

}

button:hover {

opacity: 0.7;

}

.cancelbtn {

width: 80%;

padding: 10px 18px;

margin: 10px 5px;

background-color: #42b72a;

text-align: center;

text-decoration:none;

}

.login{

background-color: #1877f2;

text-align: center;

width: 80%;

padding: 10px 18px;

margin: 10px 5px;

text-align: center;

border-radius: 12px;

}

.container {

padding: 45px;

background-color:white;

width:400px;

position: absolute;

float: right;

right: 100px;

top: 20%;

}

</style>

<body>

<h1 class='a'> facebook<h1>

<h2 class='b'>Facebook helps you connect and share with the people in your life.</h2>

<label>Username : </label>

<br><label>Password : </label>

<br>

<a style="text-decoration: none;" href="#">Forgot password? </a> <br>

<button onClick="document.location='signup.php'" type="button" class="cancelbtn">Create New Account </button><br>

</div>

</form>

</body>

</html>

home.php

<?php
include "config.php";

// Check user login or not
if(!isset($_SESSION['uname'])){
    header('Location: index.php');
}

// logout
if(isset($_POST['but_logout'])){
    session_destroy();
    header('Location: index.php');
}
?>
<!doctype html>
<html>
    <head></head>
    <body>
        <h1>Homepage</h1>
        <form method='post' action="">
            <input type="submit" value="Logout" name="but_logout">
        </form>
    </body>
</html>

<?php

include "config.php";

// Check user login or not

if(!isset($_SESSION['uname'])){

header('Location: index.php');

}

// logout

if(isset($_POST['but_logout'])){

session_destroy();

header('Location: index.php');

}

<!doctype html>

<html>

<body>

<h1

>Homepage</h1>

</form>

</body>

</html>

config.php

<?php

session_start();

$host = "localhost"; /* Host name */
$user = "root"; /* User */
$password = ""; /* Password */
$dbname = "tutorial"; /* Database name */

$con = mysqli_connect($host, $user, $password,$dbname);
// Check connection
if (!$con) {
 die("Connection failed: " . mysqli_connect_error());
}

<?php

session_start();

$host = "localhost"; /* Host name */

$user = "root"; /* User */

$password = ""; /* Password */

$dbname = "tutorial"; /* Database name */

$con = mysqli_connect($host, $user, $password,$dbname);

// Check connection

if (!$con) {

die("Connection failed: " . mysqli_connect_error());

}

signup.php

<?php
include('dbcon.php');
error_reporting(0);
?>

<html>
<html lang="en">
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<style>
.form-wrapper {
width:400px;
height:550px;
  position: absolute;
  top: 50%;
  left: 48%;
  margin: -184px 0px 0px -155px;
  background:  white;
  padding: 15px 25px;
  border-radius: 5px;
}
body {
  color: #fff;
  font: 87.5%/1.5em 'Open Sans', sans-serif;
	background:url(img/pic2.png)no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;}
  .form-item {
width:45%;
float: left;
background: lightgreen;
}
.form-item input{
  border: none;
  background:transparent;
  color: #fff;
  margin-top:11px;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.2em;
  height: 40px;
  padding: 0 16px;
  
  width: 100%;
  padding-left: 55px;

}
.form-item2 {
width:45%;
float: left;
background:aqua;
margin-left: 5px;

}
.form-item2 input{
  border: none;
  background:transparent;
  color: #fff;
  margin-top:11px;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.2em;
  height: 40px;
  padding: 0 16px;
 
  width: 100%;
  padding-left: 55px;
  margin-left: 10px;

}

</style>
<body>
<div class="form-wrapper"> 

<h3>Sign up</h3>
<p style="color: black">it'a quick and easy</p>

	 <div class="reminder">
<br>
<form  method ="GET" >
<div class="form-item">
   <input type="text" name = "fname" placeholder = "First name"> 
   </div> 
   <div class="form-item2">
<input type="text" name = "lname" placeholder = "Last Name ">
   </div>
<div>
<input type="text" name="Username" placeholder="Username">
</div>   
<div>
<input type="text" name="password" placeholder="Password">
</div>
    
  <div class="button-panel">
   <input type="submit"  class="button" name = "submit" >
   </div>
   </form>
   <?php
    if($_GET['submit'])
    {
        $Id = $_GET['id'];
        $firstName = $_GET['fname'];
        $lastname = $_GET['Lname'];
	    $username = $_GET['Username'];
	    $password = $_GET['password'];
	   
       
        if($Id != ""&&$firstName != ""&&  $lastname != ""&& $password != ""&& $username != "")
        {
            $query = "INSERT INTO users VALUES('$Id','$firstName','$lastname','$username','$password')";
            $data= mysqli_query($con,$query);
            if($data)
            {
                echo "data is inserted";
            } 
        
        else
        {
            echo "Enter All data";
        }
    }
}
    ?>
    <p><a href="Index.php">click hare to login </a></p>
  </div>
</div>
</body>
</html>

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<?php

include('dbcon.php');

error_reporting(0);

<html>

<head>

</head>

<style>

.form-wrapper {

width:400px;

height:550px;

position: absolute;

top: 50%;

left: 48%;

margin: -184px 0px 0px -155px;

background: white;

padding: 15px 25px;

border-radius: 5px;

}

body {

color: #fff;

font: 87.5%/1.5em 'Open Sans', sans-serif;

background:url(img/pic2.png)no-repeat center center fixed;

-webkit-background-size: cover;

-moz-background-size: cover;

-o-background-size: cover;

background-size: cover;}

.form-item {

width:45%;

float: left;

background: lightgreen;

}

.form-item input{

border: none;

background:transparent;

color: #fff;

margin-top:11px;

font-family: 'Open Sans', sans-serif;

font-size: 1.2em;

height: 40px;

padding: 0 16px;

width: 100%;

padding-left: 55px;

}

.form-item2 {

width:45%;

float: left;

background:aqua;

margin-left: 5px;

}

.form-item2 input{

border: none;

background:transparent;

color: #fff;

margin-top:11px;

font-family: 'Open Sans', sans-serif;

font-size: 1.2em;

height: 40px;

padding: 0 16px;

width: 100%;

padding-left: 55px;

margin-left: 10px;

}

</style>

<body>

<p style="color: black">it'a quick and easy</p>

<br>

</div>

</div>

<div>

</div>

<div>

</div>

</div>

</form>

<?php

if($_GET['submit'])

{

$Id = $_GET['id'];

$firstName = $_GET['fname'];

$lastname = $_GET['Lname'];

$username = $_GET['Username'];

$password = $_GET['password'];

if($Id != ""&&$firstName != ""&& $lastname != ""&& $password != ""&& $username != "")

{

$query = "INSERT INTO users VALUES('$Id','$firstName','$lastname','$username','$password')";

$data= mysqli_query($con,$query);

if($data)

{

echo "data is inserted";

}

else

{

echo "Enter All data";

}

<p><a href="Index.php">click hare to login </a></p>

</div>

</body>

</html>

Facebook like Social Media login logout code in PHP

Facebook like Social Media login logout code in PHP
By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

Facebook like Social Media login logout code in PHP

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