How to count website visitors in php

A simple method for php to count the number of website visits

Here mainly uses session to save the current visitor and store the number of visits Write to local file (recommended learning: PHP video tutorial)

<?  
    @session_start();  
    $counter = intval(file_get_contents("counter.dat"));  //创建一个dat数据文件
    if(!$_SESSION[&#39;#&#39;])  
    {  
     $_SESSION[&#39;#&#39;] = true;  
     $counter++;  //刷新一次+1
     $fp = fopen("counter.dat","w");  //以写入的方式，打开文件，并赋值给变量fp
     fwrite($fp, $counter);   //将变量fp的值+1
     fclose($fp);  
    }  
?>

Enter code

<?php echo "$counter";?>

Case display

您是到访的第<?php echo "$counter";?>位用户

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