function log_ip(){
//Includes the mysql/mysqli connect file
include 'includes/mysqli_connect.php';
//Gets the ip address of the client and stores it in $ip variable
$ip = $_SERVER['REMOTE_ADDR'];

//Checking if ip exists already in log(Queries written in mysqli, you will need to make changes for mysql)
$check_exist = "SELECT * from log where ip = '$ip'";
$run_check = mysqli_query($link, $check_exist);
//Find out how many rows with the same ip exists and stores the result in $check
$check = mysqli_num_rows($run_check);

//If there is more than 0 rows with the same ip then it updates visited with +1
if($check != 0){
$row = mysqli_fetch_assoc($run_check);
//The code to add 1 to the amount of times visited, if visited times is 2, then 1+2 is done here
$visited_update = 1 + $row['visited'];

//the sql query to update the visited times
$update = "UPDATE `log` SET `visited` = '$visited_update' WHERE ip = '$ip'";
$run_up = mysqli_query($link, $update);
//If there is no rows with the ip we found then we insert the ip into our log with visited times set to 1
} else {
$log = "INSERT into log (ip, visited) VALUES ('$ip', '1')";
$insert = mysqli_query($link, $log);
}
}