<?php
/**
 * pagePin.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 4/10/13
 */
class Url_Pin
{
    /*
     * Pin a 'url-point'
     */
    public static function set($prefix = null)
    {
        $key = 'url_pin';
        if ($prefix != null) {
            $key = $prefix.'_'.$key;
        }

        $stringUrl = substr($_SERVER['REQUEST_URI'], 1);
        Session::set($key, $stringUrl);
    }

    /*
     * Get pinned 'url-point'
     */
    public static function get($prefix = null)
    {
        $key = 'url_pin';
        if ($prefix != null) {
            $key = $prefix.'_'.$key;
        }

        if ($url = Session::get($key)) {
            return $url;
        }

        return false;
    }

    /*
     * Return to pinned 'url-point'
     */
    public static function redirect($prefix = null)
    {
        $key = 'url_pin';
        if ($prefix != null) {
            $key = $prefix.'_'.$key;
        }

        if ($url = Session::get($key)) {
            header('location:'.'/'.$url);
            exit;
        }
    }
}