Datepicker Show grren color date if any database records found

                     <p class="dateP">Date: <input type="text" value="<?php if($_GET['date_by_student'] == ""){echo $createdate = date('Y-m-d');}else{ echo $_GET['date_by_student'];} ?>" readonly class="datepicker" id="datepicker_student" ></p>
                    
                     <?php
                       global $wpdb;
         $id = $pagepost->id;
       $sqls = "SELECT DISTINCT(`date`) FROM `userdata` where `id` = '$id'";
    
 $pagepostssaa_dae = $wpdb->get_results($sqls);
 
                  
                          ?>
                
                
                          
  <script>
  $( function() {
      
       // An array of dates
    var eventDates = {};
    <?php foreach($pagepostssaa_dae as $datte){
 
    
    $originalDate = $datte->date;
$newDate = date("m/d/Y", strtotime($originalDate));


    ?>  
    eventDates[ new Date( '<?php echo $newDate ?>' )] = new Date( '<?php echo $newDate ?>' );
    <?php } ?>
 
    
       
  var dateToday = new Date();
    $( "#datepicker_student" ).datepicker({
          beforeShowDay: function( date ) {
            var highlight = eventDates[date];
            if( highlight ) {
                 return [true, "event", ''];
            } else {
                 return [true, '', ''];
            }
        },
      showOn: "both",
      changeMonth: true,
      changeYear: true,
       dateFormat: 'yy-mm-dd',
       minDate:new Date('2022-1-1'),
       maxDate: dateToday,

 onSelect: function(dateText) {
        console.log("Selected date: " + dateText + "; input's current value: " + this.value);
 
        
    }

    
    });
  } );
  </script>