- print_r: documentation ( source)
<?php
/*自己的選項*/
$url[] = array('url' => 'http://tw.yahoo.com','option' => 'yahoo.tw');
$url[] = array('url' => 'http://cn.yahoo.com','option' => 'yahoo.cn');
?>
<html>
<head>
<script>
function chglink() {document.getElementById("link").innerHTML = document.getElementById("addr").value;}
function chgFrame() {document.getElementById("iframe1").src = document.getElementById("link").innerHTML;}
</script>
</head>
<body>
自己的選項
<?php print_r($url);?>
<hr>
<table border="1">
<tr><td>有select表單</td></tr>
<tr><td>php在table內<select id="addr" onchange="chglink();">
<?php
foreach($url as $k => $v)
echo '<option value="'.$v["url"].'">'.$v["option"].'</option>';
?>
</select></td></tr>
<tr><td>會顯示url(<a id="link" href="#" onclick="chgFrame();"></a>),請點我控制iframe</td></tr>
<tr><td><iframe id="iframe1" src="<?php echo $url[0]["url"];?>" width="600px" height="400px"></td></tr>
</table>
</body>
</html>