ดู code ปฏิทินกิจกรรมให้ด้วยค่ะ มันไม่โชว์กิจกรรมที่วันที่แต่ละวัน

<?php
include("../config.inc.php");
/* draws a calendar */
function draw_calendar($month,$year,$events = array()){

  /* draw table */
  $calendar = '<table cellpadding="0" cellspacing="0" class="calendar">';

  /* table headings */
  $headings = array('อาทิตย์','จันทร์','อังคาร','พุธ','พฤหัสบดี','ศุกร์','เสาร์');
  $calendar.= '<tr class="calendar-row"><td class="calendar-day-head">'.implode('</td><td class="calendar-day-head">',$headings).'</td></tr>';

  /* days and weeks vars now ... */
  $running_day = date('w',mktime(0,0,0,$month,1,$year));
  $days_in_month = date('t',mktime(0,0,0,$month,1,$year));
  $days_in_this_week = 1;
  $day_counter = 0;
  $dates_array = array();

  /* row for week one */
  $calendar.= '<tr class="calendar-row">';

  /* print "blank" days until the first of the current week */
  for($x = 0; $x < $running_day; $x++):
    $calendar.= '<td class="calendar-day-np">&nbsp;</td>';
    $days_in_this_week++;
  endfor;

  /* keep going with days.... */
  for($list_day = 1; $list_day <= $days_in_month; $list_day++):
    $calendar.= '<td class="calendar-day"><div style="position:relative;height:100px;">';
      /* add in the day number */
      $calendar.= '<div class="day-number">'.$list_day.'</div>';
      
      $event_day = $year.'-'.$month.'-'.$list_day;
      if(isset($events[$event_day])) {
        foreach($events[$event_day] as $event) {
          $calendar.= '<div class="event">'.$event['title'].'</div>';
        }
      }
      else {
        $calendar.= str_repeat('<p>&nbsp;</p>',2);
      }
    $calendar.= '</div></td>';
    if($running_day == 6):
      $calendar.= '</tr>';
      if(($day_counter+1) != $days_in_month):
        $calendar.= '<tr class="calendar-row">';
      endif;
      $running_day = -1;
      $days_in_this_week = 0;
    endif;
    $days_in_this_week++; $running_day++; $day_counter++;
  endfor;

  /* finish the rest of the days in the week */
  if($days_in_this_week < 8):
    for($x = 1; $x <= (8 - $days_in_this_week); $x++):
      $calendar.= '<td class="calendar-day-np">&nbsp;</td>';
    endfor;
  endif;

  /* final row */
  $calendar.= '</tr>';
  

  /* end the table */
  $calendar.= '</table>';

  /** DEBUG **/
  $calendar = str_replace('</td>','</td>'."\n",$calendar);
  $calendar = str_replace('</tr>','</tr>'."\n",$calendar);
  
  /* all done, return result */
  return $calendar;
}

function random_number() {
  srand(time());
  return (rand() % 7);
}

/* date settings */
$month = ($_GET['month'] ? $_GET['month'] : date('m'));
$year = (int) ($_GET['year'] ? $_GET['year'] : date('Y'));
 
/* select month control */
$select_month_control = '<select name="month" id="month">';
for($x = 1; $x <= 12; $x++) {
  $select_month_control.= '<option value="'.$x.'"'.($x != $month ? '' : ' selected="selected"').'>'.date('F',mktime(0,0,0,$x,1,$year)).'</option>';
}
$select_month_control.= '</select>';

/* select year control */
$year_range = 7;
$select_year_control = '<select name="year" id="year">';
for($x = ($year-floor($year_range/2)); $x <= ($year+floor($year_range/2)); $x++) {
  $select_year_control.= '<option value="'.$x.'"'.($x != $year ? '' : ' selected="selected"').'>'.$x.'</option>';
}
$select_year_control.= '</select>';

/* "next month" control */
$next_month_link = '<a href="?month='.($month != 12 ? $month + 1 : 1).'&year='.($month != 12 ? $year : $year + 1).'" class="control">Next Month &gt;&gt;</a>';

/* "previous month" control */
$previous_month_link = '<a href="?month='.($month != 1 ? $month - 1 : 12).'&year='.($month != 1 ? $year : $year - 1).'" class="control">&lt;&lt;   Previous Month</a>';


/* bringing the controls together */
$controls = '<form method="get">'.$select_month_control.$select_year_control.'&nbsp;<input type="submit" name="submit" value="Go" />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$previous_month_link.'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$next_month_link.' </form>';

/* get all events for the given month */
$events = array();
if($month < 10)
  $month = '0'.$month;
  $query = "SELECT * ,cast(cast(\"train_sdate\" as timestamp) as varchar(7))
	   FROM traincalendar
	   WHERE cast(cast(\"train_sdate\" as timestamp) as varchar(7)) LIKE '$year-$month%'";
		 
$result = pg_query($query) or die('cannot get results!');
while($row = pg_fetch_assoc($result)) {
  $events[$row['train_sdate']][] = $row;
  echo $row['train_subject']." ----- ".$row['train_sdate'];
  echo "<br />";
}

echo '<h2 style="float:left; padding-right:30px;">'.date('F',mktime(0,0,0,$month,1,$year)).' '.$year.'</h2>';
echo '<div style="float:left;">'.$controls.'</div>';
echo '<div style="clear:both;"></div><br />';
echo draw_calendar($month,$year,$events);
echo '<br /><br />';

?>