如何实现不同IP地址的浏览次数统计
<br />
<?php<br />
// 访客计数器函数<br />
function counter() {<br />
!empty($_GET['weburl']) || die('weburl不能为空');<br />
$weburl = $_GET['weburl'];<br />
<br />
$file = '/usr/local/apache/htdocs/MyTests/counter.txt';<br />
if (! file_exists($file)) {<br />
$num = 1;<br />
$cf = fopen($file, 'w');<br />
fwrite($cf, $weburl.' '.$num);<br />
fclose($cf);<br />
} else {<br />
$cf = fopen($file, 'rw');<br />
$num = fgets($cf);<br />
$num = substr($num, 15);<br />
fclose($cf);<br />
<br />
++$num;<br />
$cf = fopen($file, 'w');<br />
fwrite($cf, $num);<br />
fclose($cf);<br />
}<br />
}<br />
<br />
?><br />
<html><br />
<head><br />
<title>访客计数器</title><br />
</head><br />
<body><br />
<center><br />
<h1>欢迎访问</h1><br /><br />
<form action="counter()" name="url-form" method="get"><br />
<div><br />
<input type="text" name="weburl" size="15" /><br />
<br />
<input type="submit" name="Submit" value="提交" /><br />
</div><br />
</form><br />
<hr /><br />
<font size="7" color="red"><br />
您是第<?php //echo counter() ?>位访客<br />
</font><br />
</center><br />
</body><br />
</html><br />
<br />
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