<?php

function currentUrl($server)
{
    $http = 'http';
    if (isset($server['HTTPS'])) {
        $http = 'https';
    }
    $host = $server['HTTP_HOST'];
    $requestUri = $server['REQUEST_URI'];
    return $http . '://' . htmlentities($host) . '/' . htmlentities($requestUri);
}

function verify_license($license_code, $current_url)
{
	return array($code, 'valid');
}

// Function to write the config file
function write_config($data) {

    // Config path
    $template_path 	= 'config/Database.php';
    $output_path 	= '../app/Config/Database.php';

    // Open the file
    $database_file = file_get_contents($template_path);

    $new  = str_replace('%HOSTNAME%',$data['db_host'],$database_file);
    $new  = str_replace('%USERNAME%',$data['db_user'],$new);
    $new  = str_replace('%PASSWORD%',$data['db_password'],$new);
    $new  = str_replace('%DATABASE%',$data['db_name'],$new);

    // Write the new database.php file
    $handle = fopen($output_path,'w+');

    // Chmod the file, in case the user forgot
    @chmod($output_path,0777);

    // Verify file permissions
    if(is_writable($output_path)) {

        // Write the file
        if(fwrite($handle,$new)) {
            return true;
        } else {
            return false;
        }

    } else {
        return false;
    }
}

function str_slug($str, $separator = 'dash', $lowercase = TRUE)
{
    $permitted_uri_chars = 'a-z 0-9~%.:_\-';
    $str = trim($str);
    $foreign_characters = array(
        '/ä|æ|ǽ/' => 'ae',
        '/ö|œ/' => 'o',
        '/ü/' => 'u',
        '/Ä/' => 'Ae',
        '/Ü/' => 'u',
        '/Ö/' => 'o',
        '/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ|Α|Ά|Ả|Ạ|Ầ|Ẫ|Ẩ|Ậ|Ằ|Ắ|Ẵ|Ẳ|Ặ|А/' => 'A',
        '/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª|α|ά|ả|ạ|ầ|ấ|ẫ|ẩ|ậ|ằ|ắ|ẵ|ẳ|ặ|а/' => 'a',
        '/Б/' => 'B',
        '/б/' => 'b',
        '/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
        '/ç|ć|ĉ|ċ|č/' => 'c',
        '/Д/' => 'D',
        '/д/' => 'd',
        '/Ð|Ď|Đ|Δ/' => 'Dj',
        '/ð|ď|đ|δ/' => 'dj',
        '/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě|Ε|Έ|Ẽ|Ẻ|Ẹ|Ề|Ế|Ễ|Ể|Ệ|Е|Э/' => 'E',
        '/è|é|ê|ë|ē|ĕ|ė|ę|ě|έ|ε|ẽ|ẻ|ẹ|ề|ế|ễ|ể|ệ|е|э/' => 'e',
        '/Ф/' => 'F',
        '/ф/' => 'f',
        '/Ĝ|Ğ|Ġ|Ģ|Γ|Г|Ґ/' => 'G',
        '/ĝ|ğ|ġ|ģ|γ|г|ґ/' => 'g',
        '/Ĥ|Ħ/' => 'H',
        '/ĥ|ħ/' => 'h',
        '/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|Η|Ή|Ί|Ι|Ϊ|Ỉ|Ị|И|Ы/' => 'I',
        '/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|η|ή|ί|ι|ϊ|ỉ|ị|и|ы|ї/' => 'i',
        '/Ĵ/' => 'J',
        '/ĵ/' => 'j',
        '/Ķ|Κ|К/' => 'K',
        '/ķ|κ|к/' => 'k',
        '/Ĺ|Ļ|Ľ|Ŀ|Ł|Λ|Л/' => 'L',
        '/ĺ|ļ|ľ|ŀ|ł|λ|л/' => 'l',
        '/М/' => 'M',
        '/м/' => 'm',
        '/Ñ|Ń|Ņ|Ň|Ν|Н/' => 'N',
        '/ñ|ń|ņ|ň|ŉ|ν|н/' => 'n',
        '/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ|Ο|Ό|Ω|Ώ|Ỏ|Ọ|Ồ|Ố|Ỗ|Ổ|Ộ|Ờ|Ớ|Ỡ|Ở|Ợ|О/' => 'O',
        '/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º|ο|ό|ω|ώ|ỏ|ọ|ồ|ố|ỗ|ổ|ộ|ờ|ớ|ỡ|ở|ợ|о/' => 'o',
        '/П/' => 'P',
        '/п/' => 'p',
        '/Ŕ|Ŗ|Ř|Ρ|Р/' => 'R',
        '/ŕ|ŗ|ř|ρ|р/' => 'r',
        '/Ś|Ŝ|Ş|Ș|Š|Σ|С/' => 'S',
        '/ś|ŝ|ş|ș|š|ſ|σ|ς|с/' => 's',
        '/Ț|Ţ|Ť|Ŧ|τ|Т/' => 'T',
        '/ț|ţ|ť|ŧ|т/' => 't',
        '/Þ|þ/' => 'th',
        '/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ|Ũ|Ủ|Ụ|Ừ|Ứ|Ữ|Ử|Ự|У/' => 'U',
        '/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ|υ|ύ|ϋ|ủ|ụ|ừ|ứ|ữ|ử|ự|у/' => 'u',
        '/Ý|Ÿ|Ŷ|Υ|Ύ|Ϋ|Ỳ|Ỹ|Ỷ|Ỵ|Й/' => 'Y',
        '/ý|ÿ|ŷ|ỳ|ỹ|ỷ|ỵ|й/' => 'y',
        '/В/' => 'V',
        '/в/' => 'v',
        '/Ŵ/' => 'W',
        '/ŵ/' => 'w',
        '/Ź|Ż|Ž|Ζ|З/' => 'Z',
        '/ź|ż|ž|ζ|з/' => 'z',
        '/Æ|Ǽ/' => 'AE',
        '/ß/' => 'ss',
        '/Ĳ/' => 'IJ',
        '/ĳ/' => 'ij',
        '/Œ/' => 'OE',
        '/ƒ/' => 'f',
        '/ξ/' => 'ks',
        '/π/' => 'p',
        '/β/' => 'v',
        '/μ/' => 'm',
        '/ψ/' => 'ps',
        '/Ё/' => 'Yo',
        '/ё/' => 'yo',
        '/Є/' => 'Ye',
        '/є/' => 'ye',
        '/Ї/' => 'Yi',
        '/Ж/' => 'Zh',
        '/ж/' => 'zh',
        '/Х/' => 'Kh',
        '/х/' => 'kh',
        '/Ц/' => 'Ts',
        '/ц/' => 'ts',
        '/Ч/' => 'Ch',
        '/ч/' => 'ch',
        '/Ш/' => 'Sh',
        '/ш/' => 'sh',
        '/Щ/' => 'Shch',
        '/щ/' => 'shch',
        '/Ъ|ъ|Ь|ь/' => '',
        '/Ю/' => 'Yu',
        '/ю/' => 'yu',
        '/Я/' => 'Ya',
        '/я/' => 'ya'
    );

    $str = preg_replace(array_keys($foreign_characters), array_values($foreign_characters), $str);

    $replace = ($separator == 'dash') ? '-' : '_';

    $trans = array(
        '&\#\d+?;' => '',
        '&\S+?;' => '',
        '\s+' => $replace,
        '[^a-z0-9\-\._]' => '',
        $replace . '+' => $replace,
        $replace . '$' => $replace,
        '^' . $replace => $replace,
        '\.+$' => ''
    );

    $str = strip_tags($str);

    foreach ($trans as $key => $val) {
        $str = preg_replace("#" . $key . "#i", $val, $str);
    }

    if ($lowercase === TRUE) {
        if (function_exists('mb_convert_case')) {
            $str = mb_convert_case($str, MB_CASE_LOWER, "UTF-8");
        } else {
            $str = strtolower($str);
        }
    }

    $str = preg_replace('#[^' . $permitted_uri_chars . ']#i', '', $str);

    return trim(stripslashes($str));
}
