PHP Classes

File: examples/login.php

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  Classes of Oleg Zorin   PHP User Login class   examples/login.php   Download  
File: examples/login.php
Role: Example script
Content type: text/plain
Description: Login demo
Class: PHP User Login class
Register, login and recover users in a database
Author: By
Last change: User. SQL driver misprint fix
Date: 7 years ago
Size: 3,571 bytes
 

Contents

Class file image Download
<?php
   
/**
    * OZ\User login demo
    */
   
session_start();
    require_once(
'./../user.class.php');

   
/* make it short */
   
use OZ\User as User;
   
   
/* Mysql access */
   
$sql_driver = 'mysql';
   
$sql_host = 'localhost';
   
$sql_name = 'opensource.my';
   
$sql_user = 'root';
   
$sql_pass = '';
   
User::init($sql_driver, $sql_host, $sql_name, $sql_user, $sql_pass);
   
   
/* check current user */
   
$user = false;
    if(
User::check()) {
       
/* redirect to user account */
       
header('Location: account.php');
        exit();
    }

   
/* default values */
   
$login = '';
   
   
/* login routine */
   
$login_error = array();
    if(isset(
$_POST['enter'])) {
       
$login = !empty($_POST['login']) ? $_POST['login'] : '';
       
$password = !empty($_POST['password']) ? $_POST['password'] : '';
       
       
$error_flag = false;
       
        if(empty(
$login)) {
           
/* login is required */
           
$login_error['login'] = 'Login is required';
           
$error_flag = true;
        }
       
        if(empty(
$password)) {
           
/* password is required */
           
$login_error['password'] = 'Password is required';
           
$error_flag = true;
        }
       
       
/* all checks passed */
       
if(!$error_flag) {
            if(
User::login($login, $password)) {
               
/* redirect to user account */
               
header('Location: account.php');
                exit();
            }
            else {
               
$login_error['general'] = 'Something wrong';
            }
        }
    }
   
?>

<html>
    <head>
        <title>User class demo. Login</title>
        <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"/>
    </head>
    <body>
        <nav class="navbar navbar-default">
            <div class="container-fluid">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="#">OZ\User demo</a>
                </div>

                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                    <ul class="nav navbar-nav">
                        <li class="active"><a href="login.php">Login <span class="sr-only">(current)</span></a></li>
                        <li><a href="registration.php">Registration</a></li>
                        <li><a href="recover.php">Recover account</a></li>
                    </ul>
                </div>
            </div>
        </nav>
   
        <div class="container">
            <h1>Login</h1>
       
            <div class="row">
                <div class="col-xs-12 col-sm-6 col-md-4 col-sm-offset-3 col-md-offset-4">
                    <form action="" method="post">
                        <div class="form-group">
                            <label for="login">Login</label>
                            <input type="text" class="form-control" name="login" id="login" placeholder="Login" value="<?php echo $login; ?>"/>
                            <?php if(!empty($login_error['login'])) { ?>
<br/>
                                <div class="alert alert-danger" role="alert"><?php echo $login_error['login']; ?></div>
                            <?php } ?>
</div>
                        <div class="form-group">
                            <label for="password">Password</label>
                            <input type="password" class="form-control" name="password" id="password" placeholder="Password" value=""/>
                            <?php if(!empty($login_error['password'])) { ?>
<br/>
                                <div class="alert alert-danger" role="alert"><?php echo $login_error['password']; ?></div>
                            <?php } ?>
</div>
                        <button type="submit" name="enter" class="btn btn-primary">Login</button>
                        <?php if(!empty($login_error['general'])) { ?>
<br/><br/>
                            <div class="alert alert-danger" role="alert"><?php echo $login_error['general']; ?></div>
                        <?php } ?>
</form>
                </div>
            </div>
        </div>
    </body>
</html>