Autoincrement numeric variable in PHP on Refresh

Question

How do I use PHP to auto-increment a numeric variable on page refresh?

Foe example, for $i=10 there is an output of this:

Page has be

Answer 1

if it's for the same user session, use a session

session_start();
if (!isset($_SESSION['counter'])) $_SESSION['counter'] = 0;
$_SESSION['counter']++;

otherwise, if you want the same count for all users, use database

Answer 2

You can easily do it with the help of cookies

$cookieName = 'count';
$count = isset($_COOKIE[$cookieName]) ? $_COOKIE[$cookieName] : '';

$newCount = $count+1;
setcookie($cookieName,$newCount);

$count will return back the updated value

Answer 3

You would need to store its state somewhere, perhaps in the $_SESSION.

session_start();

$i = isset($_SESSION['i']) ? $_SESSION['i'] : 0;

echo ++$i;

$_SESSION['i'] = $i;

Answer 4

you need to store the counter somewhere like a file, database, cookie or session variable.

<?php
    if (!isset($_COOKIE['visits']))
        $_COOKIE['visits'] = 0;
    $visits = $_COOKIE['visits'] + 1;
    setcookie('visits', $visits, time()+3600*24*365);
?>

<?php
    if ($visits > 1) {
        echo("This is visit number $visits.");
    } else { // First visit
        echo('Welcome to my Website! Click here for a tour!');
    }
?>