How can I use a wildcard search to get a list from scaffolding in a CakePHP?

Question

I\'ve got a scaffold built for CakePHP, but need to have a way for users to type in part of a surname into a text box, click a button and for the list of people to be filtered t

Answer 1

views/users/index.ctp

    
Filter users
    create('User', array('action' => 'index'));
        echo $form->input('surname', array('div' => false));
        echo $form->submit('Filter', array('div' => false));
        echo $form->end();
    ?>

controllers/users_controller.php

public function index($surname = null) {
    // post-redirect-get 
    if ($this->data['User']['surname']) {
       $this->redirect(array('id' => $this->data['User']['surname']));
    }
    // conditions
    $conditions = null;
    if ($surname) {
        $conditions = array('surname LIKE' => '%' . $surname . '%');
    }
    // find
    $users = $this->Users->find('all', array('conditions' => $conditions));
    // set
    $this->set(compact('users'));
}