Php Navigation issue -

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i got line of code right here:

<?php include_once('pages/component/header.php') ?> <?php include_once('pages/component/nav.php') ?> <!-- body --> <?php  $action=$_get['status']; switch($action) {      case 'about': include_once "pages/about.php";break;      case 'portfolio': include_once "pages/portfolio.php";break;      case 'contact': include_once "pages/contact.php";break;      default : include_once "pages/default.php";break;  } ?> <?php include_once('pages/component/footer.php') ?>

but when i'm surfing in page on wamp localhost, error saying:

notice: undefined index: status in c:\wamp\www\index.php on line 5

does body know why occurs?

it works fine when upload on ftp.

the problem not first checking if there $_get['status'] variable. example, if go url this: http://localhost/index.php or http://localhost/ there no $_get variable set. code have, work long have @ least ?status= in url. must set variable if going use it.

it best first check see if there $_get variable in url. should fix problem:

<?php include_once('pages/component/header.php') ?> <?php include_once('pages/component/nav.php') ?> <!-- body --> <?php  $action= (isset($_get['status'])) ? ($_get['status']) : (''); switch($action) {      case 'about': include_once "pages/about.php";break;      case 'portfolio': include_once "pages/portfolio.php";break;      case 'contact': include_once "pages/contact.php";break;      default : include_once "pages/default.php";break;  } ?> <?php include_once('pages/component/footer.php') ?>

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