src/Marando/AstroDate/Traits/FormatTrait.php
private function formatF(&$str) {
    if (strstr($str, '%F'))
      $str = str_replace('%F', $this->monthName(true), $str);
  }
private function formatF(&$str) {
    if (strstr($str, '%F'))
      $str = str_replace('%F', $this->monthName(true), $str);
  }
A full textual representation of a month, such as January or March
@param type $str