<?php
/**
 * functions.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 3/20/13
 */

class Functions {

    /*
     * @property array errors
     * If a functions returns an error, it will be saved in this value.
     * You can access this array by calling Functions::getErrors();
     */
    private $_errors = array();


    public function __construct(){ }

    /**
     * Converts string into url string.
     *
     * @access public
     * @param string
     * @return string
     */
    public function encodeUrl($input)
    {
        $output = trim($input);
        $output = str_replace(' ','-',$output);
        $output = str_replace('---','-',$output);
        $output = str_replace('--','-',$output);
        //remove these characters
        $forbidden = array("'", '"', '\\', '/', ';', ';', '|', '>', '<', '[', ']', '!','?', '@', '#', '$', '%', '^', '&', '*', '(', ')','+','=','{','}','`', '~', '.', ',');
        foreach($forbidden as $key => $value){
            $output = str_replace($value, '', $output);
        }
        $output = strtolower($output);

        return $output;
    }

    /*
     * Headers a 404 error
     */
    function notFound()
    {
        header("HTTP/1.0 404 Not Found");
        header('location:'.SITE_ROOT.'404/');
        exit;
    }

    /*
     * Redirect to a page
     */
    function redirect($url)
    {
        header('location:' . $url);
        exit;
    }



    /*
     * Returns the errors in an array
     */
    public function getErrors()
    {
        return $this->_errors;
    }


}