PHP Counter script tutorial

Create your own a simple PHP counter script using a basic knowledge of php + mysql and keep your visitors number in database for analysis.

Overview

In this tutorial, we create 1 PHP file for testing this code.
1. counter.php

Steps
1. Create table "counter" in database "test".
2. Create file counter.php.

STEP1: Create table "counter"

CREATE TABLE `counter` (
`counter` int(9) NOT NULL default '0'
) TYPE=MyISAM;

STEP2: Create file counter.php

############### Code

<?php

$host="localhost";
// Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name="test"; // Database name
$tbl_name="members"; // Table name

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect to server ");
mysql_select_db("$db_name")or die("cannot select DB");

$sql="SELECT * FROM $tbl_name";
$result=mysql_query($sql);

$rows=mysql_fetch_array($result);
$counter=$rows['counter'];

// if have no counter value set counter = 1
if(empty($counter)){
$counter=1;
$sql1="INSERT INTO $tbl_name(counter) VALUES('$counter')";
$result1=mysql_query($sql1);
}

echo "You 're visitors No. ";
echo $counter;

// count more value
$addcounter=$counter+1;
$sql2="update $tbl_name set counter='$addcounter'";
$result2=mysql_query($sql2);

mysql_close();
?>


Similar Post

Encrypting Password using md5() function

Using md5(); function to make your login system more secure

Form Validation Using Dreamweaver

In this tutorial shows you how to validate form using Macromedia Dreamweaver, it will show alert box when someone press submit button and forgot to fill your requied fields.