original_string: private function compactEnv(Environment $env)
      {
          for ($envs = []; $env; $env = $env->parent) {
              $envs[] = $env;
          }
  
          return $envs;
      }
code: private function compactEnv(Environment $env)
      {
          for ($envs = []; $env; $env = $env->parent) {
              $envs[] = $env;
          }
  
          return $envs;
      }
code_tokens: private function compactEnv ( Environment $ env ) { for ( $ envs = [ ] ; $ env ; $ env = $ env -> parent ) { $ envs [ ] = $ env ; } return $ envs ; }
docstring: Convert env linked list to stack
  
  @param \Leafo\ScssPhp\Compiler\Environment $env
  
  @return array
docstring_tokens: Convert env linked list to stack