สอบถามการเขียนตำแหน่งปัจจุยันที่ดึงข้อมูลมาจาก database แต่อยากให้ขึ้นหลาย user ได้

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<?php
$sql = mysql_query("select * from testlalong order by date desc limit 1");
$num = mysql_num_rows($sql);
if ($num>0){
	while ($r=mysql_fetch_array($sql))	{
		++$i;
		$i != $num ? $k=',' : $k='';
?>
{latLng:[<?=$r[la]?>, <?=$r[lo]?>]}<?=$k?>
<?php
	}
}
?>
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