PHP Counter script tutorial

Create your own counter script. Using a basic knowledge of php + mysql script and keeps your visitors number to database for analysis.

Step1. Create table "counter" in database "test".
CREATE TABLE `counter` (
`counter` int(9) NOT NULL default '0'
) TYPE=MyISAM;

Step2. Create file counter.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();
?>