PHP graph counter program displays website user views

This article mainly shares the PHP graphic counter program for everyone, which intuitively displays the number of website user views. Interested friends can refer to it

The PHP graphic counter program is a simple picture counter , in order to visually display how many users browse a website, it is necessary to place an image counter at the bottom of the web page, which is the number of visits to the current page. The number of visits data is saved in a txt file, and the num.txt file can be automatically generated. Customize the initial data, and the displayed digital pictures are saved in the img directory. You can replace them with beautiful pictures made by yourself. Just change it. index.php is the calling file, which is very simple.

1. This graphical counter does not require a database Supported, as long as PHP can be run, just copy the PHP file in index.php to the required web page, leaving other files unchanged.

2. File structure:

(1), index.php, call counter file

<?php
echo "您是第"; 
require("count.php"); 
echo "位访客"; 
?>

(2),count.php The core code of the graphical counter

<?php
 $path= "img";//图片所在的文件夹子, img 是在相应文件夹下
 $f_name = "num.txt";//计数器的数据保存在num.txt
 $n_digit = 10;
 //如果文件不存在，则新建文件，初始值置为100/
 if(!file_exists($f_name)){
 $fp=fopen($f_name,"w");
 fputs($fp,"100");
 fclose($fp);
 }
 $fp=fopen($f_name,"r"); //打开num.txt文件
 $hits=fgets($fp,$n_digit); //开始计取数据
 fclose($fp); //关闭文件
 $hits=(int)$hits + 1;//计数器增加1
 $hits=(string)$hits; 
 $fp=fopen($f_name,"w");
 fputs($fp,$hits);//写入新的计数
 fclose($fp); //关闭文件
 //循环读取并显示出图形计数器
 for($i=0;$i<$n_digit;$i++) 
 $hits = str_replace("$i","<img src=&#39;$path/$i.gif&#39; $alt>","$hits");
 echo $hits;  
?>

(3) num.txt file to save the count

The data of visits is saved in a txt file, and the num.txt file can be automatically generated to customize the initial data

(4) img/ Save graphic files of 0-9

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