original_string: protected function _getAllIndices()
      {
          $out = array();
  
          foreach ($this->_thread as $val) {
              $out += $val;
          }
  
          return array_keys($out);
      }
code: protected function _getAllIndices()
      {
          $out = array();
  
          foreach ($this->_thread as $val) {
              $out += $val;
          }
  
          return array_keys($out);
      }
code_tokens: protected function _getAllIndices ( ) { $ out = array ( ) ; foreach ( $ this -> _thread as $ val ) { $ out += $ val ; } return array_keys ( $ out ) ; }
docstring: Return all indices.
  
  @return array  An array of indices.
docstring_tokens: Return all indices .