Question

Everytime the user visit a page, the page url will be stored into an array session. I want to have 10 elements in the array only. So that 10 elements will save 10 latest visited page urls. Here is my codes :

<?php
$currentpageurl = $_GET['username'];

$urlarray=array();

$urlarray[] = $currentpageurl;

$_SESSION['pageurl']=$urlarray;

foreach($_SESSION['pageurl'] as $key=>$value)
    {
    echo 'The value of $_SESSION['."'".$key."'".'] is '."'".$value."'".' <br />';
    }
?>

I tested the code, it always overwrite the element in the array with new visited page, thus it has only 1 element in the array. How to make it not to overwrite the element?

Answer 1

You are always overwriting the array with a new one here:

$urlarray=array();       // new empty array
$urlarray[] = $currentpageurl;    
$_SESSION['pageurl']=$urlarray;

Instead use:

session_start();
// like @Kwpolska said, you probably miss that, so $_SESSION didnt work

is_array($_SESSION["pageurl"]) or $_SESSION["pageurl"] = array();
// fix for your current problem

$_SESSION['pageurl'][] = $currentpageurl;
// This appends it right onto an array.

$_SESSION["pageurl"] = array_slice($_SESSION["pageurl"], -10);
// to cut it down to the last 10 elements