original_string: private function iterate(array $content, $parent = null)
      {
          foreach ($content as $element) {
              $this->process($element, $parent);
          }
      }
code: private function iterate(array $content, $parent = null)
      {
          foreach ($content as $element) {
              $this->process($element, $parent);
          }
      }
code_tokens: private function iterate ( array $ content , $ parent = null ) { foreach ( $ content as $ element ) { $ this -> process ( $ element , $ parent ) ; } }
docstring: Iterate given content array and call `process` for every element inside
  
  @param array $content
  @param null|BaseElement $parent
docstring_tokens: Iterate given content array and call process for every element inside