How can I use sessions in PHP to control the incrementing of a variable based on individual clients accessing the page?

To control the incrementing of a variable based on individual clients accessing the page using sessions in PHP, you can store the variable in a session and increment it each time the page is accessed by a specific client. This way, each client will have their own incremented variable value. 

<?php
session_start();

if(!isset($_SESSION['counter'])) {
    $_SESSION['counter'] = 1;
} else {
    $_SESSION['counter']++;
}

echo "You have visited this page " . $_SESSION['counter'] . " times.";
?>

Keywords

PHP sessions variable incrementing client access page control

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