PHP graph counter program displays website user pageviews_php example

The PHP graphic counter program is a simple picture counter. In order to visually display how many users browse a website, a picture counter needs to be placed at the bottom of the web page, which is the number of visits to the current page. The data of the number of visits is saved in a txt file. , can automatically generate the num.txt file and customize the initial data . The displayed digital pictures are saved in the img directory and can be replaced with beautiful pictures made by yourself. Just change it. index.php is the calling file , which is very Simple.

This program is only a few dozen KB, and the system code design is simple and easy to understand.

The effect is as follows:

About the installation of the program is very simple:

1. This graphical counter does not require database support, as long as it can run PHP, just copy the PHP file in index.php to the required web page, and leave other files unchanged.

2. File structure:

(1), index.php, call counter file

<&#63;php
echo "您是第"; 
require("count.php"); 
echo "位访客"; 
&#63;>

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

<&#63;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='$path/$i.gif' $alt>","$hits");
 echo $hits;  
&#63;>

(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 0-9

Download the source code and start your learning journey of PHP picture counter system!

Tips: This system is not yet fully developed and there are still many shortcomings, but we will continue to work hard to improve it.

The above is the entire content of this article. I hope it will be helpful to everyone’s study. I also hope that everyone will support Script Home.