original_string: protected function evalSelectorPart($part)
      {
          foreach ($part as &$p) {
              if (is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) {
                  $p = $this->compileValue($p);
  
                  // force re-evaluation
                  if (strpos($p, '&') !== false || strpos($p, ',') !== false) {
                      $this->shouldEvaluate = true;
                  }
              } elseif (is_string($p) && strlen($p) >= 2 &&
                  ($first = $p[0]) && ($first === '"' || $first === "'") &&
                  substr($p, -1) === $first
              ) {
                  $p = substr($p, 1, -1);
              }
          }
  
          return $this->flattenSelectorSingle($part);
      }
code: protected function evalSelectorPart($part)
      {
          foreach ($part as &$p) {
              if (is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) {
                  $p = $this->compileValue($p);
  
                  // force re-evaluation
                  if (strpos($p, '&') !== false || strpos($p, ',') !== false) {
                      $this->shouldEvaluate = true;
                  }
              } elseif (is_string($p) && strlen($p) >= 2 &&
                  ($first = $p[0]) && ($first === '"' || $first === "'") &&
                  substr($p, -1) === $first
              ) {
                  $p = substr($p, 1, -1);
              }
          }
  
          return $this->flattenSelectorSingle($part);
      }
code_tokens: protected function evalSelectorPart ( $ part ) { foreach ( $ part as & $ p ) { if ( is_array ( $ p ) && ( $ p [ 0 ] === Type :: T_INTERPOLATE || $ p [ 0 ] === Type :: T_STRING ) ) { $ p = $ this -> compileValue ( $ p ) ; // force re-evaluation if ( strpos ( $ p , '&' ) !== false || strpos ( $ p , ',' ) !== false ) { $ this -> shouldEvaluate = true ; } } elseif ( is_string ( $ p ) && strlen ( $ p ) >= 2 && ( $ first = $ p [ 0 ] ) && ( $ first === '"' || $ first === "'" ) && substr ( $ p , - 1 ) === $ first ) { $ p = substr ( $ p , 1 , - 1 ) ; } } return $ this -> flattenSelectorSingle ( $ part ) ; }
docstring: Evaluate selector part; replaces all the interpolates, stripping quotes
  
  @param array $part
  
  @return array
docstring_tokens: Evaluate selector part ; replaces all the interpolates stripping quotes