original_string: private function setShadowAngle($angle)
      {
          if ($angle !== null) {
              $this->shadowProperties['direction'] = (string) $this->getExcelPointsAngle($angle);
          }
  
          return $this;
      }
code: private function setShadowAngle($angle)
      {
          if ($angle !== null) {
              $this->shadowProperties['direction'] = (string) $this->getExcelPointsAngle($angle);
          }
  
          return $this;
      }
code_tokens: private function setShadowAngle ( $ angle ) { if ( $ angle !== null ) { $ this -> shadowProperties [ 'direction' ] = ( string ) $ this -> getExcelPointsAngle ( $ angle ) ; } return $ this ; }
docstring: Set Shadow Angle
  
  @param int $angle
  
  @return PHPExcel_Chart_Axis
docstring_tokens: Set Shadow Angle