在最近查看的网页的会话中保存网址

Question

i want to create a way to save the urls of recently viewed web pages in a session so when a user uses my site they can go on their account to see what they have looked at so far i have this

<?php
session_start();
$currentpageurl = $_GET['username'];
$_SESSION['pageurl'][] = $_SERVER['REQUEST_URI'];

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

the problem is it just keeps going and doesn't stop when i need it to stop at the 10th last viewed pages and remove the oldest one when a new page is viewed

Answer 1

Use array_shift to remove the latest value if your array becomes longer than 10.

<?php
session_start();
$currentpageurl = $_GET['username'];
$_SESSION['pageurl'][] = $_SERVER['REQUEST_URI'];

if( count( $_SESSION['pageurl'] ) > 10 ){
   array_shift( $_SESSION['pageurl'] );
}

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