先在目录下建立一个count.txt文件，输入一个数值0.

<html>
<head>
    <title></title>
</head>
<body>
    <span>文本计数器实例</span>
    <p>本页面已被访问的次数为：</p>
    <?php
        $count = file_get_contents("count.txt");
        $count += 1;
        echo "<h4> $count </h4>";
        file_put_contents("count.txt",$count);
    ?>
</body>
</html>