post - PHP Dynamic signup page

Solution:

Use isset() to check if $_POST contains data.

http://php.net/isset

Solution:

To answer your question, "how am I going to check whether it's the first time user request for signup.php or not?", honestly, probably for other users......

There are a few ways, cookies, storing request ips in a database, bleh, bleh, bleh. But...... None of them are guaranteed. The user can disable cookies, use a dynamic ip, etc. You could issue a unique hash and place it as a login.php?q=encValueForUniquePageRequest

but...... The architecture you laid out won't be practical.

Sorry :(

Solution:

To check that request is POST:

<?php 
if($_SERVER['REQUEST_METHOD']=='POST'){
   //process new user
}
?>
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Example:

<?php
Class signup_controller extends controller{
    private $data = array();
    private $model = array();

    function __construct(Core $core){
        parent::__construct($core);

        /* load models - assign to model */
        $this->model['page'] = $this->core->model->load('page_model', $this->core);
        $this->model['auth'] = $this->core->model->load('auth_model', $this->core);

        /* check script is installed - redirect */
        if(empty($this->core->settings->installed)){
            exit(header('Location: '.SITE_URL.'/setup'));
        }
    }

    function index(){
        /* do signup - assign error */
        if($_SERVER['REQUEST_METHOD'] == 'POST'){
            if($this->model['auth']->create_user(1)===false){
                $this->data['error'] = $this->model['auth']->auth->error;
            }
        }

        /* not logged in */
        if(empty($_SESSION['logged_in'])){

            /* assign form keys */
            $_SESSION['csrf']       = sha1(uniqid().(microtime(true)+1));
            $_SESSION['userParam']  = sha1(uniqid().(microtime(true)+2));
            $_SESSION['passParam']  = sha1(uniqid().(microtime(true)+3));
            $_SESSION['emailParam'] = sha1(uniqid().(microtime(true)+4));

            /* get partial views - assign to data */
            $this->data['content_main'] = $this->core->template->loadPartial('partials/signup', null, $this->data);
            $this->data['content_side'] = $this->core->template->loadPartial('about/content_side', null, $this->data);

            /* layout view - assign to template */
            $this->core->template->loadView('layouts/2col', 'content', $this->data);
        }
        /* signed in - redirect */
        else{
            exit(header('Location: ./user'));
        }
    }

}
?>
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