How can one display a datepicker inline in PHP without the text field?

To display a datepicker inline in PHP without the text field, you can use a combination of HTML, CSS, and JavaScript. You can create a hidden input field to store the selected date value and use JavaScript to display a datepicker inline without a visible text field.

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
  <script>
    $(function() {
      $("#datepicker").datepicker({
        onSelect: function(dateText) {
          $("#selectedDate").val(dateText);
        }
      });
    });
  </script>
</head>
<body>
  <input type="hidden" id="selectedDate">
  <div id="datepicker"></div>
</body>
</html>