original_string: public function clearCCs()
      {
          foreach ($this->cc as $cc) {
              unset($this->all_recipients[strtolower($cc[0])]);
          }
          $this->cc = array();
      }
code: public function clearCCs()
      {
          foreach ($this->cc as $cc) {
              unset($this->all_recipients[strtolower($cc[0])]);
          }
          $this->cc = array();
      }
code_tokens: public function clearCCs ( ) { foreach ( $ this -> cc as $ cc ) { unset ( $ this -> all_recipients [ strtolower ( $ cc [ 0 ] ) ] ) ; } $ this -> cc = array ( ) ; }
docstring: Clear all CC recipients.
  @return void
docstring_tokens: Clear all CC recipients .