PHP frameworks provide reusable code and standardized structures for developing applications. The Zend framework is a popular open source PHP MVC framework that offers features like database abstraction, forms, validation, routing and more. It provides a modular architecture that allows applications to scale easily while maintaining code quality and organization.

1. PHP Frameworks Using PHP framework for development process

2. “ A software framework, in computer programming, is an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality. Frameworks are a special case of software libraries in that they are reusable abstractions of code wrapped in a well-defined Application programming interface (API), yet they contain some key distinguishing features that separate them from normal libraries. ”

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12. <?php /** * Index Controller */ class IndexController extends Zend_Controller_Action { /** * Index Action */ public function indexAction() { // action body } }

14. <?php $params = array( ' host ' => ' 127.0.0.1 ', ' username ' => ' webuser ', ' password ' => ’ ******* ', ' dbname ' => ' test ', ); $db = Zend_Db::factory (' Pdo_Mysql ', $params ); $sql = ‘ SELECT * FROM users ’; $rows = $db ->fetchAll( $sql );

15. <?php $select = $db -> select () -> from (‘ users ’, array (‘username’, ‘email’)) -> where (‘ username = ? ’, $username ) ; //Same as: // SELECT username, email FROM users // WHERE username = ‘…’ $user = $db -> fetchRow ( $select );

16. <?php class Users extends Zend_Db_Table_Abstract { protected $_name = ' users '; protected $_primaryKey = ' user_id '; } //Insert $user = new Users (); $user -> insert ( array ( ‘ username ’ => ‘ cusc ’ ‘ name ’ => ‘ CUSC Software ’, ‘ email ’ => ‘ [email_address] ’ ));

17. <?php //Update $user = new Users (); $data = array ( ‘ email ’ => ‘ [email_address] ’ ); $user -> update ( $data , ‘ user_id = 1234 ’); //Delete row $user -> delete (‘ user_id = 1234 ’);

18. <?php //Find rows by primary key $user = new Users (); $rows = $user -> find (1234); //Find by conditions $select = $user -> select () -> where (“ email LIKE ‘%?’ ”, ‘musical .vn ’); $rows = $user -> fetchAll ( $select );

20. <?php /** * Index Controller */ class IndexController extends Zend_Controller_Action { /** * Index Action */ public function indexAction() { $this -> view -> name = ‘ Dream Team ’; } }

21. <?php //index.phtml < h1 ><?php echo $this -> escape ( $this -> name ); ?></ h1 >

23. class Admin_Form_Account extends Zend_Form { public function init() { parent :: init (); $this -> setAction (' /admin/account/createPost '); $this -> addElement ( $this -> createElement (' text ', ' username ', array ( ' required ' => true, ' label ' => ' Username ', ))); $this -> addElement ( $this -> createElement (' text ', ' name ', array ( ' required ' => true, ' label ' => ' Name ', ))); $this -> addElement ( $this -> createElement (' text ', ' email ', array ( ' required ' => true, ' label ' => ' Email ', ))); $this -> addElement ( $this -> createElement (' password ', ' password ', array ( ' required ' => true, ' label ' => ' Lastname ', ))); $this -> addElement (' submit ', ' Submit '); } }

24. <?php class Admin_Account_Controller extends Zend_Controller_Action { public function formAction() { $form = new Admin_Form_Account (); $this -> view -> form = $form ; } public function createPostAction() { $form = new Admin_Form_Account (); if (! $form -> isValid ( $this -> getRequest ()-> getPost ())) { $this -> view -> form = $form ; $this -> render (’ form '); } else { $this -> _forward (’ success '); } } }

26. class Admin_Form_Account extends Zend_Form { public function init() { parent :: init (); $this -> addElement ( $this -> createElement (' text ', ' email ', array ( ' required ' => true, ' label ' => ' Email ', ' validators ' => array (' emailaddress '), ))); } }