Zend Framework 2

---

Login.php

namespace Movie\Form;
use Zend\Form\Form;                

class Login extends Form
{
	public function __construct()
	{
		parent::__construct('Movie');
		$this->add(array('name'=>'email','type'=>'text',
				'options'=>array('label'=>'Employee Email :'),
                                'attributes'=>array('id'=>'email')));
		$this->add(array('name'=>'password','type'=>'password',
				'options'=>array('label'=>'Employee Password :'),
                                'attributes'=>array('id'=>'password')));
		$this->add(array('name'=>'submit','type'=>'submit',
                               'attributes'=>array('value'=>'Login','id'=>'btn')));
	}
}

MoveController.php 
protected $authservice;
private function getAuthService()
{
	if (! $this->authservice) {
		$this->authservice = $this->getServiceLocator()->get('AuthService');
	}
	return $this->authservice;
}
public function indexAction()
{       
				
	$login = new Login();       
	$request = $this->getRequest();
	if($request->isPost()){
		$data = $request->getPost();
		$encyptPass = $data['password'];
		$this->getAuthService()->getAdapter()
					->setIdentity($data['email'])
					->setCredential($encyptPass);
		$result = $this->getAuthService()->authenticate();
		if ($result->isValid()) {
				$this->redirect()->toRoute('movie',
					array('controller'=>'move','action'=>'listall'));
		}else{
				$this->redirect()->toRoute('movie',
					array('controller'=>'move','action'=>'index'));
		}
	}
        return new ViewModel(array('login',$login));
				
}
public function logoutAction()
{
    $this->getAuthService()->clearIdentity();
    return $this->redirect()->toRoute('login');
}

If you are already login in, to redirect to success page 
if ($this->getAuthService()->hasIdentity()){
            return $this->redirect()->toRoute('success')
}

If you want to check for login authentication 
if (! $this->getServiceLocator()
                 ->get('AuthService')->hasIdentity()){
            return $this->redirect()->toRoute('login');
}
index.phtml
<?php 
	echo $this->form()->openTag($login);
	echo $this->formRow($login->get('email'));
	echo "<br>";
	echo $this->formRow($login->get('password'));
	echo "<br>";
	echo $this->formSubmit($login->get('submit'));
	echo $this->form()->closeTag();
?>

Module.php 
use Zend\Authentication\Adapter\DbTable as DbAuthAdapter;
use Zend\Authentication\AuthenticationService;
public function getServiceConfig()
{
 return array(  
 'factories'=>array('Application\Model\StudentTable'=>function($sm){
                       $tableGateway=$sm->get('StudentTableGateway');
    		       $table=new StudentTable($tableGateway);
    		       return $table;
    		       },
    		   'StudentTableGateway'=>function($sm){
    		        $dbAdapter= $sm->get('Zend\Db\Adapter\Adapter');
    		        $resultSetPrototype= new ResultSet();
    		        $resultSetPrototype->setArrayObjectPrototype(new Student());
    		        return new TableGateway('student',$dbAdapter,null,$resultSetPrototype );
    		       },
 		  'AuthService' => function ($serviceManager) {
                	$adapter = $serviceManager->get('Zend\Db\Adapter\Adapter');
                    	$dbAuthAdapter = new DbAuthAdapter ( $adapter, 'users', 'email', 'password' );
                        $auth = new AuthenticationService();
                    	$auth->setAdapter ( $dbAuthAdapter );
                    	return $auth;
                        }

    	));
    	
    }                                    

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