Home > Article > Backend Development > php page add counter

php page add counter

WBOYOriginal: 2016-08-08 09:23:081028browse

index.php

1php 2 include("counter.php") 3?> 4 5<html> 6<head> 7<title>访问计数器title> 8head> 910<body>11<center>12<h1>访问者计数器h1>1314你是第font>151617php Counter() ?>18font>19B>20个访问者font>21U>22center>23body>24html>

counter.php

1php 2 //$five,$four 等变量表示零的个数，放在数字前边构成6位 3 function Counter() 4 { //定义函数 5 $five = "00000"; //声明变量 6 $four = "0000"; 7 $three = "000"; 8 $two = "00"; 9 $one = "0"; 10 $counter = "record.dat"; //存放访问数的目的文件，.dat格式 11 if(!file_exists($counter)) //判断文件是否存在 12 { 13 $counter = fopen($counter,"w"); 14 fputs($counter,"0"); //写入文件 15 fclose($counter); 16 } 17 else 18 { 19 $fp = fopen($counter,"r+"); 20 $num = fgets($fp,"1024"); //如果文件存在则读出文件，并加 1 21 $num = $num + 1; 22 if($num < 10) 23 print "$five"."$num"; 24 elseif($num < 100) 25 print "$four"."$num"; 26 elseif($num < 1000) 27 print "$three"."$num"; 28 elseif($num < 10000) 29 print "$two"."$num"; 30 elseif($num < 100000) 31 print "$one"."$num"; 32 else 33 print "$num"; 34 } 35 $fp = fopen($counter,"w"); 36 fputs($fp,"$num"); 37 fclose($fp); 38 } 39?>r

The above introduces the PHP page adding counter, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：php object-oriented OOP—interface interfaceNext article：php object-oriented OOP—interface interface

See more

php page add counter

Related articles