original_string: protected function evalKeyLabel($key)
      {
          if ($this->variablePrefix === true) {
              $output = '{{ <span>%s</span> }}';
          }
          elseif (is_array($this->variablePrefix)) {
              $prefix = implode('.', $this->variablePrefix);
              $output = '{{ <span>'.$prefix.'.%s</span> }}';
          }
          elseif ($this->variablePrefix) {
              $output = '{{ <span>'.$this->variablePrefix.'.%s</span> }}';
          }
          else {
              $output = '%s';
          }
  
          return sprintf($output, $key);
      }
code: protected function evalKeyLabel($key)
      {
          if ($this->variablePrefix === true) {
              $output = '{{ <span>%s</span> }}';
          }
          elseif (is_array($this->variablePrefix)) {
              $prefix = implode('.', $this->variablePrefix);
              $output = '{{ <span>'.$prefix.'.%s</span> }}';
          }
          elseif ($this->variablePrefix) {
              $output = '{{ <span>'.$this->variablePrefix.'.%s</span> }}';
          }
          else {
              $output = '%s';
          }
  
          return sprintf($output, $key);
      }
code_tokens: protected function evalKeyLabel ( $ key ) { if ( $ this -> variablePrefix === true ) { $ output = '{{ <span>%s</span> }}' ; } elseif ( is_array ( $ this -> variablePrefix ) ) { $ prefix = implode ( '.' , $ this -> variablePrefix ) ; $ output = '{{ <span>' . $ prefix . '.%s</span> }}' ; } elseif ( $ this -> variablePrefix ) { $ output = '{{ <span>' . $ this -> variablePrefix . '.%s</span> }}' ; } else { $ output = '%s' ; } return sprintf ( $ output , $ key ) ; }
docstring: Returns a variable name as HTML friendly.
  @param  string $key
  @return string
docstring_tokens: Returns a variable name as HTML friendly .