PHP and MySQL implement simple web page counter

Website statistics provide website owners with important information about how well their website is performing and how many people are visiting it. Click counter counts and displays how many people visit a web page.

#The code for the counter varies depending on the programming language used and the amount of information you want the counter to collect. If you, like many website owners, use PHP and MySQL on your website, you can use PHP and MySQL to generate a simple hit counter for your web pages. The counter stores the total number of hits in the MySQL database.

First, create a table to save counter statistics.

Execute the following code:

CREATE TABLE `counter` ( `counter` INT( 20 ) NOT NULL );
INSERT INTO counter VALUES (0);

This code creates a database table named counter, which has a field also called counter, which is used to store clicks received by the site Rate. It is set to start at 1 and the count is incremented by 1 each time the file is called. Then the new number is displayed.

This process is done with the following PHP code:

<?php
// 连接到数据库
mysql_connect("your.hostaddress.com", "username", "password") or die(mysql_error()); 
mysql_select_db("Database_Name") or die(mysql_error());
//计数器counter 加一
mysql_query("UPDATE counter SET counter = counter + 1");
//检索当前计数
$count = mysql_fetch_row(mysql_query("SELECT counter FROM counter"));
//站点上显示计数
print "$count[0]"; 
?>

This simple click counter does not provide valuable information to the website owner, such as whether the visitor is a repeat visitor or a first time visitor the visitor, the visitor's location, which page they visited, or how much time the visitor spent on that page. For this purpose, more sophisticated analytical procedures are required.

Coding tips for counters

It makes sense to want to know the number of people visiting your website. Once you're satisfied with the simple counter code, there are several ways you can personalize the code to work better with your site and collect the information you need.

1. Customize the database, tables, and code to include additional information

2. Save the counter in a separate file and retrieve it using include()

3 .Format the counter text using regular HTML around the include function

4. Create different rows on the counter table for other pages on the site

Related recommendations:《PHP Tutorial》http://www.php.cn/course/list/29.html

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