title: How to set a date attribute to a current date in php using symfony 3
body: <p>i have a problem setting a datetime attribute to the current date , if i force it to current timestamp i get a " Call to a member function format() on string" ERROR</p>
  
  <pre><code>**here are my getter and setter with some modifications**
  public function getDateajout()
  {
      date_default_timezone_set('Africa/Tunis');
      $dateajout=date_default_timezone_get();
      return $this-&gt;dateajout;
  }
  
  public function setDateajout($dateajout)
  {
  
      $this-&gt;dateajout =$dateajout;
  
  
  }
  </code></pre>