Jquery Datepicker - 从mysql数据库启用日期

In my application I want to show a datepicker (jquery) where only some dates are enabled. I get those dates from MySql DB. How can I send these paramemeters to datepicker through ajax?

<input type="text" name="t_Date" id="t_Date">
<script>
    $("#t_Date").datepicker({ 
       datesEnabled : ajax_getDates.php // Here what I need help 
    });
</script>

I don't know whether the getDates methode exists or not.

Do an ajax request and create the date picker on success callback:

<input type="text" name="t_Date" id="t_Date">
<script type="text/javascript">

    $(document).ready(function() {

        $.post('ajax_getDates.php', {}, function(data){
            $("#t_Date").datepicker({ datesEnabled : data.datesEnabled });
        }, 'json');

    });

</script>

The ajax_getDates.php file should look like:

<?php

    $datesEnabled = array('date1', 'date2', 'date3');
    echo json_encode('datesEnabled' => $datesEnabled);