original_string: public function toFlatArray() {
          $array = [];
  
          foreach ($this->headers as $key => $headers) {
              foreach ($headers as $header) {
                  $array[] = $this->formatHeader($key, $header);
              }
          }
  
          return $array;
      }
code: public function toFlatArray() {
          $array = [];
  
          foreach ($this->headers as $key => $headers) {
              foreach ($headers as $header) {
                  $array[] = $this->formatHeader($key, $header);
              }
          }
  
          return $array;
      }
code_tokens: public function toFlatArray ( ) { $ array = [ ] ; foreach ( $ this -> headers as $ key => $ headers ) { foreach ( $ headers as $ header ) { $ array [ ] = $ this -> formatHeader ( $ key , $ header ) ; } } return $ array ; }
docstring: Get a list of formatted header strings.
  
  @return array
docstring_tokens: Get a list of formatted header strings .