original_string: function getPGTIouFilename($pgt_iou)
      {
          phpCAS::traceBegin();
          $filename = $this->getPath()."phpcas-".hash("sha256", $pgt_iou);
  //        $filename = $this->getPath().$pgt_iou.'.plain';
          phpCAS::trace("Sha256 filename:" . $filename);
          phpCAS::traceEnd();
          return $filename;
      }
code: function getPGTIouFilename($pgt_iou)
      {
          phpCAS::traceBegin();
          $filename = $this->getPath()."phpcas-".hash("sha256", $pgt_iou);
  //        $filename = $this->getPath().$pgt_iou.'.plain';
          phpCAS::trace("Sha256 filename:" . $filename);
          phpCAS::traceEnd();
          return $filename;
      }
code_tokens: function getPGTIouFilename ( $ pgt_iou ) { phpCAS :: traceBegin ( ) ; $ filename = $ this -> getPath ( ) . "phpcas-" . hash ( "sha256" , $ pgt_iou ) ; //        $filename = $this->getPath().$pgt_iou.'.plain'; phpCAS :: trace ( "Sha256 filename:" . $ filename ) ; phpCAS :: traceEnd ( ) ; return $ filename ; }
docstring: This method returns the filename corresponding to a PGT Iou.
  
  @param string $pgt_iou the PGT iou.
  
  @return a filename
  @private
docstring_tokens: This method returns the filename corresponding to a PGT Iou .