Are there best practices for integrating jQuery UI Datepicker with PHP form processing?

When integrating jQuery UI Datepicker with PHP form processing, it's important to ensure that the selected date is properly formatted and passed to the PHP backend for processing. One common approach is to use JavaScript to format the date before submitting the form, and then use PHP to handle the submitted date data accordingly.

// HTML form with jQuery UI Datepicker
<form method="post" action="process.php">
    <input type="text" id="datepicker" name="selected_date">
    <input type="submit" value="Submit">
</form>

// JavaScript to format date before form submission
<script>
    $(function() {
        $("#datepicker").datepicker();
        $("form").submit(function() {
            var selectedDate = $("#datepicker").datepicker("getDate");
            var formattedDate = $.datepicker.formatDate("yy-mm-dd", selectedDate);
            $("#datepicker").val(formattedDate);
        });
    });
</script>

// PHP processing script (process.php)
<?php
if(isset($_POST['selected_date'])) {
    $selectedDate = $_POST['selected_date'];
    
    // Process the selected date as needed
    echo "Selected date: " . $selectedDate;
}
?>