src/Marando/AstroDate/Traits/FormatTrait.php
private function format_l(&$str) {
    if (strstr($str, '%l'))
      $str = str_replace('%l', $this->dayName(true), $str);
  }
private function format_l(&$str) {
    if (strstr($str, '%l'))
      $str = str_replace('%l', $this->dayName(true), $str);
  }
A full textual uppercase representation of the day of the week
@param type $str