空表達我的代碼如果!回聲
<?
$query = mysql_query("SELECT * FROM poi_example");
while ($row = mysql_fetch_array($query)){
$name=$row['name'];
$lat=$row['lat'];
$lon=$row['lon'];
$desc=$row['desc'];
$pic1=$row['pic1'];
echo ("addMarker($lat, $lon,'<b>$name</b><br/>$desc<br/><img src=\"$pic1\" style=\"width:250px;\"> ');\n");
}
?>
而且我想顯示「IMG SRC ......」只有當$ PIC1是不是空的。但是,如何在回聲中清空?
http://stackoverflow.com/q/3507042/3933332 – Rizier123