php - Why can't I create cookies in Symfony 2? -

for reason, can't seem create cookies using symfony 2. controller:

public function indexaction() {     var_dump($this->getrequest()->cookies->all());      $response = new response();     $response->headers->setcookie(new cookie('foo', 'bar'));      var_dump($response->headers->getcookies());      return $response; } 

when run controller, see expect: array containing "phpsessid" cookie , array containing new cookie i'm trying create. when reload page, expect see new cookie in first array, don't. nothing changes on reload.

can spot i'm doing wrong? i've been staring @ these lines 15 minutes now.

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• docs: request
• docs: response
• docs: cookie
• how set cookie using symfony 2

your first var_dump() sending content, further headers cannot sent. remove , code work.