สอบถามเกี่ยวกับตารางสอนตารางการนัดหมาย จะแสดงช่วงเวลาแบบ 1 ชั่วโมง แต่ช่วงเวลาขึ้นมาจาก database หมดเลย

 <?php
require_once 'connect.php';
$selTbTime = "select * from time";
$qryTbTime = mysql_query($selTbTime)or die(mysql_error());
while($rstTbTime = mysql_fetch_assoc($qryTbTime))
{
	$timeArr[$rstTbTime['id_time']] = array( "start" => $rstTbTime['start_time'], "stop" => $rstTbTime['end_time']);
}



$sqlTb = "SELECT * FROM treatment where date='$_POST[date]'";
$qryTb = mysql_query($sqlTb)or die(mysql_error());
while($rstTb = mysql_fetch_assoc($qryTb))
{
	$timeTeach[$rstTb['date']][] = array( 'time' => $rstTb["start_time"]."-".$rstTb["end_time"], 'title' => $rstTb["HNid"]." ");
}

/* Head Column */
function createCol($arr){
	$row = "";
	foreach( $arr as $data )
	{
		$row .= '<td class="center" width="30%" bgcolor="#DDA0DD" >' . $data['start'] . '-' . $data['stop'] . '</td>';
	}
	return $row;
}

/* Key Positon */
function getCol($haystack, $keyNeedle)
{
    $i = 0;
	//echo '<pre>', print_r($haystack,true) ,'</pre>';
    foreach($haystack as $arr)
    {
        if($arr['start'] == $keyNeedle)
        {
			//echo '<pre>', print_r($arr,true) ,'</pre>';
            return $i;
        }
        $i++;
    }
}
function getCol2($haystack, $keyNeedle)
{
    $i = 1;
	//echo '<pre>', print_r($haystack,true) ,'</pre>';
    foreach($haystack as $arr)
    {
        if($arr['stop'] == $keyNeedle)
        {
			//echo '<pre>', print_r($arr,true) ,'</pre>';
            return $i;
        }
        $i++;
    }
}


/* Time Range */
function getTimeRange($timeT, $timeCol){
	$data = array();
	foreach($timeT as $timeA){
		$time = $timeA['time'];
		if(!$time) continue;
		$tm = explode("-", $time);
		//echo '<pre>', print_r($tm,true) ,'</pre>';
		$start = getCol($timeCol, $tm[0]);
		$end = getCol2($timeCol, $tm[1] );
		//echo '<pre>', $start,' '.$tm[0].' '.$end.' '.$tm[1] ,'</pre>';
		$colspan = $end - $start;
		$data[$tm[0]] = array('colspan' => $colspan, 'title' => $timeA['title']);
	}
	return $data;
}

$list = "";
echo '<table border="1" width="90%" align="center" cellspacing="0" cellpadding="2" style="table-layout: fixed;">';
echo '<tr><th width="10%">เวลา</th>'. createCol( $timeArr ) .'</tr>';
foreach($timeTeach as $i=>$arr){

	//ค้นหาข้อมูลในตารางลงทะเบียน
	//นับช่วงเวลา start_time กับ stop_time ว่ามีกี่ช่อง
	$timeT = $timeTeach[$i];
	//echo '<p>'.print_r($timeT).'</p>';
	
	$arrRange = getTimeRange($timeT, $timeArr);
	//echo '<pre>', print_r($arrRange,true) ,'</pre>';
	
	
	$list = '<tr >';
	$list.= '<td class="no" height="50"></td>';
	$chkCol = 0;
 $col = 0;

 foreach( $timeArr as $timeA )
 { 
 $highlight = "";
 $colspan = "";
 if($chkCol < ($col-1) && $col != 0){
 $chkCol++;
 continue;
 }
 $title = "&nbsp;";
 $col = 0;
 $chkCol = 0;
 if(!empty($arrRange[trim($timeA['start'])])){
 $col = $arrRange[trim($timeA['start'])]['colspan'];
 $title = $arrRange[trim($timeA['start'])]['title'];
 $highlight = "highlight";
 $colspan = 'colspan="'.$col.'"';
 }

		$list .= '<td '.$colspan.' class="'. $highlight .' title" >' . $title . '</td>';
		
	}
	$list .= '</tr>';
	echo $list;
	
}
echo '</table>';
?>