php - Set a session variables using twig -

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i have question. have route on site put in session variable this:

 public function usercaptcha(){     $_session['isfacebookregistration'] = 0;  }

now have route witch render view :

public function index(){     $this->session = $_session;     return $this->render('template/index.twig'); }

in index template : 

 {{ dump(session.isfacebookregistration) }}  {% set session = session|merge({'isfacebookregistration' : 3}) %}

i access first route : usercaptcha() 1 time route index() 2 times, need see first time 0 , second 3. see 0 2 times. can me please? idea show first time 0 rest 3. thx in advance

you cannot set php var on twig side. every time view reloaded, changes made variable lost. can try this:

public function usercaptcha(){     $_session['isfacebookregistration'] = 0; }  public function index(){     if (isset($_session['flag'])) {         $_session['isfacebookregistration'] = 3;     }     $_session['flag'] = true;     $this->session = $_session;     return $this->render('template/index.twig'); }

this way, executing index() first time won't change isfacebookregistration value, set flag. next time, conditial true isfacebookregistration change.


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