FOS\UserBundle\Model\User::setEmail PHP Method

    public function setEmail($email)
    {
        $this->email = $email;
    }

 /**
  * Set email
  *
  * @return string
  */
 public function setEmail($email)
 {
     $email = is_null($email) ? '' : $email;
     parent::setEmail($email);
     $this->setUsername($email);
     return $this;
 }