original_string: public function get($key) {
          $key = $this->formatKey($key);
          return array_get($this->headers, $key, []);
      }
code: public function get($key) {
          $key = $this->formatKey($key);
          return array_get($this->headers, $key, []);
      }
code_tokens: public function get ( $ key ) { $ key = $ this -> formatKey ( $ key ) ; return array_get ( $ this -> headers , $ key , [ ] ) ; }
docstring: Get all headers by key.
  
  @param $key
  
  @return array
docstring_tokens: Get all headers by key .