<?php

// initialize the page variables here so no errors occur in some server inviroments
$index="normal-link";
$about="normal-link";
$services="normal-link";
$contact="normal-link";

// This lines Get the Pages ID
 $gid = intval($_GET['page_id']);
  $action = htmlspecialchars($_SERVER["PHP_SELF"]);
  if (isset($_SERVER["QUERY_STRING"])) {
  $action .= "?". htmlspecialchars($_SERVER["QUERY_STRING"]);
  }
//Testing Current page and changing Classes
 if($gid==1){
    $about="active-link";
    }else if($gid==2){
    $services="active-link";
    }else if($gid==3){
    $contact="active-link";
    }else{
    $index="active-link";
    }
?>
<!-- Menu Items With Dynamic Classes -->
<ul>
<li class="<?php echo$index; ?>"><a href="index.php">الرئيسيه></a></li>
<li class="<?php echo$about?>"><a href="page.php?page_id=1">عنا</a></li>
<li class="<?php echo$services?>"><a href="page.php?page_id=2">خدماتنا</a></li>
<li class="<?php echo$contact?>"><a href="page.php?page_id=3">اتصل بنا</a></li>
</ul>