original_string: private function encodeByteSequence(array $bytes, int &$size): string
      {
          $ret = '';
          $size = 0;
          foreach ($bytes as $b) {
              if (isset($this->safeMap[$b])) {
                  $ret .= $this->safeMap[$b];
                  ++$size;
              } else {
                  $ret .= self::$qpMap[$b];
                  $size += 3;
              }
          }
  
          return $ret;
      }
code: private function encodeByteSequence(array $bytes, int &$size): string
      {
          $ret = '';
          $size = 0;
          foreach ($bytes as $b) {
              if (isset($this->safeMap[$b])) {
                  $ret .= $this->safeMap[$b];
                  ++$size;
              } else {
                  $ret .= self::$qpMap[$b];
                  $size += 3;
              }
          }
  
          return $ret;
      }
code_tokens: private function encodeByteSequence ( array $ bytes , int & $ size ) : string { $ ret = '' ; $ size = 0 ; foreach ( $ bytes as $ b ) { if ( isset ( $ this -> safeMap [ $ b ] ) ) { $ ret .= $ this -> safeMap [ $ b ] ; ++ $ size ; } else { $ ret .= self :: $ qpMap [ $ b ] ; $ size += 3 ; } } return $ ret ; }
docstring: Encode the given byte array into a verbatim QP form.
docstring_tokens: Encode the given byte array into a verbatim QP form .