Bootswatch, Summernote, and Captcheck mods for Mods for HESK (mods-for-hesk.com). In use at support.netsyms.com.
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<?php
/**
*
* This file is part of HESK - PHP Help Desk Software.
*
* (c) Copyright Klemen Stirn. All rights reserved.
* https://www.hesk.com
*
* For the full copyright and license agreement information visit
* https://www.hesk.com/eula.php
*
*/
/* Check if this is a valid include */
if (!defined('IN_SCRIPT')) {
die('Invalid attempt');
}
/*** FUNCTIONS ***/
function hesk_newTicket($ticket, $isVerified = true)
{
global $hesk_settings, $hesklang, $hesk_db_link;
// Generate a subject if necessary
if (strlen($ticket['subject']) < 1)
{
$ticket['subject'] = sprintf($hesklang['default_subject'], $ticket['name']);
}
// If language is not set or default, set it to NULL.
if (!isset($ticket['language']) || empty($ticket['language'])) {
$language = (!$hesk_settings['can_sel_lang']) ? HESK_DEFAULT_LANGUAGE : hesk_dbEscape($hesklang['LANGUAGE']);
} else {
$language = $ticket['language'];
}
// Get the default ticket status for new tickets and set it accordingly
$defaultNewTicketRs = hesk_dbQuery("SELECT `ID` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "statuses` WHERE `IsNewTicketStatus` = 1");
$defaultNewTicket = hesk_dbFetchAssoc($defaultNewTicketRs);
$ticket['status'] = $defaultNewTicket['ID'];
$tableName = $isVerified ? 'tickets' : 'stage_tickets';
$ticket['message'] = htmLawed($ticket['message'], array('safe' => 1, 'deny_attribute' => 'style'));
$due_date = 'NULL';
if ($ticket['due_date'] != '') {
$due_date = "'" . hesk_dbEscape($ticket['due_date']) . "'";
}
// Prepare SQL for custom fields
$custom_where = '';
$custom_what = '';
for ($i=1; $i<=50; $i++)
{
$custom_where .= ", `custom{$i}`";
$custom_what .= ", '" . (isset($ticket['custom'.$i]) ? hesk_dbEscape($ticket['custom'.$i]) : '') . "'";
}
// Insert ticket into database
hesk_dbQuery("
INSERT INTO `" . hesk_dbEscape($hesk_settings['db_pfix']) . $tableName . "`
(
`trackid`,
`name`,
`email`,
`category`,
`priority`,
`subject`,
`message`,
`dt`,
`lastchange`,
`articles`,
`ip`,
`language`,
`openedby`,
`owner`,
`attachments`,
`merged`,
`status`,
`latitude`,
`longitude`,
`html`,
`user_agent`,
`screen_resolution_height`,
`screen_resolution_width`,
`due_date`,
`history`
{$custom_where}
)
VALUES
(
'" . hesk_dbEscape($ticket['trackid']) . "',
'" . hesk_dbEscape($ticket['name']) . "',
'" . hesk_dbEscape($ticket['email']) . "',
'" . intval($ticket['category']) . "',
'" . intval($ticket['priority']) . "',
'" . hesk_dbEscape($ticket['subject']) . "',
'" . hesk_dbEscape($ticket['message']) . "',
NOW(),
NOW(),
" . (isset($ticket['articles']) ? "'{$ticket['articles']}'" : 'NULL') . ",
'" . hesk_dbEscape($_SERVER['REMOTE_ADDR']) . "',
'" . hesk_dbEscape($language) . "',
'" . (isset($ticket['openedby']) ? intval($ticket['openedby']) : 0) . "',
'" . intval($ticket['owner']) . "',
'" . hesk_dbEscape($ticket['attachments']) . "',
'',
'" . intval($ticket['status']) . "',
'" . hesk_dbEscape($ticket['latitude']) . "',
'" . hesk_dbEscape($ticket['longitude']) . "',
'" . hesk_dbEscape($ticket['html']) . "',
'" . hesk_dbEscape($ticket['user_agent']) . "',
" . hesk_dbEscape($ticket['screen_resolution_height']) . ",
" . hesk_dbEscape($ticket['screen_resolution_width']) . ",
{$due_date},
'" . hesk_dbEscape($ticket['history']) . "'
{$custom_what}
)
");
// Generate the array with ticket info that can be used in emails
$info = array(
'email' => $ticket['email'],
'category' => $ticket['category'],
'priority' => $ticket['priority'],
'owner' => $ticket['owner'],
'trackid' => $ticket['trackid'],
'status' => $ticket['status'],
'name' => $ticket['name'],
'lastreplier' => $ticket['name'],
'subject' => $ticket['subject'],
'message' => $ticket['message'],
'attachments' => $ticket['attachments'],
'dt' => hesk_date(),
'lastchange' => hesk_date(),
'id' => hesk_dbInsertID(),
'language' => $language,
'html' => $ticket['html'],
'due_date' => $ticket['due_date']
);
// Add custom fields to the array
foreach ($hesk_settings['custom_fields'] as $k => $v) {
$info[$k] = $v['use'] ? $ticket[$k] : '';
}
return hesk_ticketToPlain($info, 1);
} // END hesk_newTicket()
function hesk_cleanFileName($filename)
{
$parts = pathinfo($filename);
if (isset($parts['filename'])) {
$filename = $parts['filename'];
} // PHP < 5.2 needs special care
elseif (version_compare(PHP_VERSION, '5.2', '<')) {
$filename = rtrim(str_ireplace($parts['extension'], '', $filename), '.');
} else {
$filename = '';
}
$filename = str_replace(array('%20', '+'), '-', $filename);
$filename = preg_replace('/[\s-]+/', '-', $filename);
$filename = remove_accents($filename);
$filename = preg_replace('/[^A-Za-z0-9\.\-_]/', '', $filename);
$filename = trim($filename, '-_');
if (strlen($filename) < 1 || strpos($filename, '.') === 0) {
$filename = mt_rand(10000, 99999) . $filename;
}
return $filename . '.' . $parts['extension'];
} // END hesk_cleanFileName()
function hesk_getCategoryPriority($id)
{
global $hesk_settings, $hesklang, $hesk_db_link;
$priority = 3;
// Does the category have a different default priority?
$res = hesk_dbQuery("SELECT `priority` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "categories` WHERE `id`=" . intval($id) . " LIMIT 1");
if (hesk_dbNumRows($res) == 1) {
$priority = hesk_dbResult($res);
}
return $priority;
} // END hesk_getCategoryPriority()
function hesk_verifyCategory($any_type = 0)
{
global $hesk_settings, $hesklang, $hesk_db_link, $hesk_error_buffer, $tmpvar;
// Verify just by public or any category type?
$type = $any_type ? " 1 " : " `type`='0' ";
// Does the category exist?
$res = hesk_dbQuery("SELECT `name`, `autoassign` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "categories` WHERE `id`='" . $tmpvar['category'] . "' AND {$type} LIMIT 1");
if (hesk_dbNumRows($res) == 1) {
$hesk_settings['category_data'][$tmpvar['category']] = hesk_dbFetchAssoc($res);
return true;
}
// OK, something wrong with the category. Get a list of categories to check few things
$res = hesk_dbQuery("SELECT `id`, `name`, `autoassign` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "categories` WHERE {$type} ORDER BY `id` ASC");
$num = hesk_dbNumRows($res);
// If more than 1 choice is available, let the user choose
if ($num > 1) {
$hesk_error_buffer['category'] = $hesklang['sel_app_cat'];
return false;
} // Exactly one category is available, use it
elseif ($num == 1) {
$tmp = hesk_dbFetchAssoc($res);
$tmpvar['category'] = $tmp['id'];
$hesk_settings['category_data'][$tmpvar['category']] = $tmp;
return true;
} // No category is available, use the first one we find (should be ID 1)
else {
$res = hesk_dbQuery("SELECT `id`, `name`, `autoassign` FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "categories` ORDER BY `id` ASC LIMIT 1");
if (hesk_dbNumRows($res) == 1) {
$tmp = hesk_dbFetchAssoc($res);
$tmpvar['category'] = $tmp['id'];
$hesk_settings['category_data'][$tmpvar['category']] = $tmp;
} else {
// What the ...? No categories exist??? You know what, just error out...
hesk_error($hesklang['int_error'] . ': ' . $hesklang['cat_not_found']);
}
}
} // END hesk_verifyCategory()
// The following code has been borrowed from Wordpress
// Credits: http://wordpress.org
function remove_accents($string)
{
if (!preg_match('/[\x80-\xff]/', $string))
return $string;
if (seems_utf8($string)) {
$chars = array(
// Decompositions for Latin-1 Supplement
chr(194) . chr(170) => 'a', chr(194) . chr(186) => 'o',
chr(195) . chr(128) => 'A', chr(195) . chr(129) => 'A',
chr(195) . chr(130) => 'A', chr(195) . chr(131) => 'A',
chr(195) . chr(132) => 'A', chr(195) . chr(133) => 'A',
chr(195) . chr(134) => 'AE', chr(195) . chr(135) => 'C',
chr(195) . chr(136) => 'E', chr(195) . chr(137) => 'E',
chr(195) . chr(138) => 'E', chr(195) . chr(139) => 'E',
chr(195) . chr(140) => 'I', chr(195) . chr(141) => 'I',
chr(195) . chr(142) => 'I', chr(195) . chr(143) => 'I',
chr(195) . chr(144) => 'D', chr(195) . chr(145) => 'N',
chr(195) . chr(146) => 'O', chr(195) . chr(147) => 'O',
chr(195) . chr(148) => 'O', chr(195) . chr(149) => 'O',
chr(195) . chr(150) => 'O', chr(195) . chr(153) => 'U',
chr(195) . chr(154) => 'U', chr(195) . chr(155) => 'U',
chr(195) . chr(156) => 'U', chr(195) . chr(157) => 'Y',
chr(195) . chr(158) => 'TH', chr(195) . chr(159) => 's',
chr(195) . chr(160) => 'a', chr(195) . chr(161) => 'a',
chr(195) . chr(162) => 'a', chr(195) . chr(163) => 'a',
chr(195) . chr(164) => 'a', chr(195) . chr(165) => 'a',
chr(195) . chr(166) => 'ae', chr(195) . chr(167) => 'c',
chr(195) . chr(168) => 'e', chr(195) . chr(169) => 'e',
chr(195) . chr(170) => 'e', chr(195) . chr(171) => 'e',
chr(195) . chr(172) => 'i', chr(195) . chr(173) => 'i',
chr(195) . chr(174) => 'i', chr(195) . chr(175) => 'i',
chr(195) . chr(176) => 'd', chr(195) . chr(177) => 'n',
chr(195) . chr(178) => 'o', chr(195) . chr(179) => 'o',
chr(195) . chr(180) => 'o', chr(195) . chr(181) => 'o',
chr(195) . chr(182) => 'o', chr(195) . chr(184) => 'o',
chr(195) . chr(185) => 'u', chr(195) . chr(186) => 'u',
chr(195) . chr(187) => 'u', chr(195) . chr(188) => 'u',
chr(195) . chr(189) => 'y', chr(195) . chr(190) => 'th',
chr(195) . chr(191) => 'y', chr(195) . chr(152) => 'O',
// Decompositions for Latin Extended-A
chr(196) . chr(128) => 'A', chr(196) . chr(129) => 'a',
chr(196) . chr(130) => 'A', chr(196) . chr(131) => 'a',
chr(196) . chr(132) => 'A', chr(196) . chr(133) => 'a',
chr(196) . chr(134) => 'C', chr(196) . chr(135) => 'c',
chr(196) . chr(136) => 'C', chr(196) . chr(137) => 'c',
chr(196) . chr(138) => 'C', chr(196) . chr(139) => 'c',
chr(196) . chr(140) => 'C', chr(196) . chr(141) => 'c',
chr(196) . chr(142) => 'D', chr(196) . chr(143) => 'd',
chr(196) . chr(144) => 'D', chr(196) . chr(145) => 'd',
chr(196) . chr(146) => 'E', chr(196) . chr(147) => 'e',
chr(196) . chr(148) => 'E', chr(196) . chr(149) => 'e',
chr(196) . chr(150) => 'E', chr(196) . chr(151) => 'e',
chr(196) . chr(152) => 'E', chr(196) . chr(153) => 'e',
chr(196) . chr(154) => 'E', chr(196) . chr(155) => 'e',
chr(196) . chr(156) => 'G', chr(196) . chr(157) => 'g',
chr(196) . chr(158) => 'G', chr(196) . chr(159) => 'g',
chr(196) . chr(160) => 'G', chr(196) . chr(161) => 'g',
chr(196) . chr(162) => 'G', chr(196) . chr(163) => 'g',
chr(196) . chr(164) => 'H', chr(196) . chr(165) => 'h',
chr(196) . chr(166) => 'H', chr(196) . chr(167) => 'h',
chr(196) . chr(168) => 'I', chr(196) . chr(169) => 'i',
chr(196) . chr(170) => 'I', chr(196) . chr(171) => 'i',
chr(196) . chr(172) => 'I', chr(196) . chr(173) => 'i',
chr(196) . chr(174) => 'I', chr(196) . chr(175) => 'i',
chr(196) . chr(176) => 'I', chr(196) . chr(177) => 'i',
chr(196) . chr(178) => 'IJ', chr(196) . chr(179) => 'ij',
chr(196) . chr(180) => 'J', chr(196) . chr(181) => 'j',
chr(196) . chr(182) => 'K', chr(196) . chr(183) => 'k',
chr(196) . chr(184) => 'k', chr(196) . chr(185) => 'L',
chr(196) . chr(186) => 'l', chr(196) . chr(187) => 'L',
chr(196) . chr(188) => 'l', chr(196) . chr(189) => 'L',
chr(196) . chr(190) => 'l', chr(196) . chr(191) => 'L',
chr(197) . chr(128) => 'l', chr(197) . chr(129) => 'L',
chr(197) . chr(130) => 'l', chr(197) . chr(131) => 'N',
chr(197) . chr(132) => 'n', chr(197) . chr(133) => 'N',
chr(197) . chr(134) => 'n', chr(197) . chr(135) => 'N',
chr(197) . chr(136) => 'n', chr(197) . chr(137) => 'N',
chr(197) . chr(138) => 'n', chr(197) . chr(139) => 'N',
chr(197) . chr(140) => 'O', chr(197) . chr(141) => 'o',
chr(197) . chr(142) => 'O', chr(197) . chr(143) => 'o',
chr(197) . chr(144) => 'O', chr(197) . chr(145) => 'o',
chr(197) . chr(146) => 'OE', chr(197) . chr(147) => 'oe',
chr(197) . chr(148) => 'R', chr(197) . chr(149) => 'r',
chr(197) . chr(150) => 'R', chr(197) . chr(151) => 'r',
chr(197) . chr(152) => 'R', chr(197) . chr(153) => 'r',
chr(197) . chr(154) => 'S', chr(197) . chr(155) => 's',
chr(197) . chr(156) => 'S', chr(197) . chr(157) => 's',
chr(197) . chr(158) => 'S', chr(197) . chr(159) => 's',
chr(197) . chr(160) => 'S', chr(197) . chr(161) => 's',
chr(197) . chr(162) => 'T', chr(197) . chr(163) => 't',
chr(197) . chr(164) => 'T', chr(197) . chr(165) => 't',
chr(197) . chr(166) => 'T', chr(197) . chr(167) => 't',
chr(197) . chr(168) => 'U', chr(197) . chr(169) => 'u',
chr(197) . chr(170) => 'U', chr(197) . chr(171) => 'u',
chr(197) . chr(172) => 'U', chr(197) . chr(173) => 'u',
chr(197) . chr(174) => 'U', chr(197) . chr(175) => 'u',
chr(197) . chr(176) => 'U', chr(197) . chr(177) => 'u',
chr(197) . chr(178) => 'U', chr(197) . chr(179) => 'u',
chr(197) . chr(180) => 'W', chr(197) . chr(181) => 'w',
chr(197) . chr(182) => 'Y', chr(197) . chr(183) => 'y',
chr(197) . chr(184) => 'Y', chr(197) . chr(185) => 'Z',
chr(197) . chr(186) => 'z', chr(197) . chr(187) => 'Z',
chr(197) . chr(188) => 'z', chr(197) . chr(189) => 'Z',
chr(197) . chr(190) => 'z', chr(197) . chr(191) => 's',
// Decompositions for Latin Extended-B
chr(200) . chr(152) => 'S', chr(200) . chr(153) => 's',
chr(200) . chr(154) => 'T', chr(200) . chr(155) => 't',
// Euro Sign
chr(226) . chr(130) . chr(172) => 'E',
// GBP (Pound) Sign
chr(194) . chr(163) => '',
// Vowels with diacritic (Vietnamese)
// unmarked
chr(198) . chr(160) => 'O', chr(198) . chr(161) => 'o',
chr(198) . chr(175) => 'U', chr(198) . chr(176) => 'u',
// grave accent
chr(225) . chr(186) . chr(166) => 'A', chr(225) . chr(186) . chr(167) => 'a',
chr(225) . chr(186) . chr(176) => 'A', chr(225) . chr(186) . chr(177) => 'a',
chr(225) . chr(187) . chr(128) => 'E', chr(225) . chr(187) . chr(129) => 'e',
chr(225) . chr(187) . chr(146) => 'O', chr(225) . chr(187) . chr(147) => 'o',
chr(225) . chr(187) . chr(156) => 'O', chr(225) . chr(187) . chr(157) => 'o',
chr(225) . chr(187) . chr(170) => 'U', chr(225) . chr(187) . chr(171) => 'u',
chr(225) . chr(187) . chr(178) => 'Y', chr(225) . chr(187) . chr(179) => 'y',
// hook
chr(225) . chr(186) . chr(162) => 'A', chr(225) . chr(186) . chr(163) => 'a',
chr(225) . chr(186) . chr(168) => 'A', chr(225) . chr(186) . chr(169) => 'a',
chr(225) . chr(186) . chr(178) => 'A', chr(225) . chr(186) . chr(179) => 'a',
chr(225) . chr(186) . chr(186) => 'E', chr(225) . chr(186) . chr(187) => 'e',
chr(225) . chr(187) . chr(130) => 'E', chr(225) . chr(187) . chr(131) => 'e',
chr(225) . chr(187) . chr(136) => 'I', chr(225) . chr(187) . chr(137) => 'i',
chr(225) . chr(187) . chr(142) => 'O', chr(225) . chr(187) . chr(143) => 'o',
chr(225) . chr(187) . chr(148) => 'O', chr(225) . chr(187) . chr(149) => 'o',
chr(225) . chr(187) . chr(158) => 'O', chr(225) . chr(187) . chr(159) => 'o',
chr(225) . chr(187) . chr(166) => 'U', chr(225) . chr(187) . chr(167) => 'u',
chr(225) . chr(187) . chr(172) => 'U', chr(225) . chr(187) . chr(173) => 'u',
chr(225) . chr(187) . chr(182) => 'Y', chr(225) . chr(187) . chr(183) => 'y',
// tilde
chr(225) . chr(186) . chr(170) => 'A', chr(225) . chr(186) . chr(171) => 'a',
chr(225) . chr(186) . chr(180) => 'A', chr(225) . chr(186) . chr(181) => 'a',
chr(225) . chr(186) . chr(188) => 'E', chr(225) . chr(186) . chr(189) => 'e',
chr(225) . chr(187) . chr(132) => 'E', chr(225) . chr(187) . chr(133) => 'e',
chr(225) . chr(187) . chr(150) => 'O', chr(225) . chr(187) . chr(151) => 'o',
chr(225) . chr(187) . chr(160) => 'O', chr(225) . chr(187) . chr(161) => 'o',
chr(225) . chr(187) . chr(174) => 'U', chr(225) . chr(187) . chr(175) => 'u',
chr(225) . chr(187) . chr(184) => 'Y', chr(225) . chr(187) . chr(185) => 'y',
// acute accent
chr(225) . chr(186) . chr(164) => 'A', chr(225) . chr(186) . chr(165) => 'a',
chr(225) . chr(186) . chr(174) => 'A', chr(225) . chr(186) . chr(175) => 'a',
chr(225) . chr(186) . chr(190) => 'E', chr(225) . chr(186) . chr(191) => 'e',
chr(225) . chr(187) . chr(144) => 'O', chr(225) . chr(187) . chr(145) => 'o',
chr(225) . chr(187) . chr(154) => 'O', chr(225) . chr(187) . chr(155) => 'o',
chr(225) . chr(187) . chr(168) => 'U', chr(225) . chr(187) . chr(169) => 'u',
// dot below
chr(225) . chr(186) . chr(160) => 'A', chr(225) . chr(186) . chr(161) => 'a',
chr(225) . chr(186) . chr(172) => 'A', chr(225) . chr(186) . chr(173) => 'a',
chr(225) . chr(186) . chr(182) => 'A', chr(225) . chr(186) . chr(183) => 'a',
chr(225) . chr(186) . chr(184) => 'E', chr(225) . chr(186) . chr(185) => 'e',
chr(225) . chr(187) . chr(134) => 'E', chr(225) . chr(187) . chr(135) => 'e',
chr(225) . chr(187) . chr(138) => 'I', chr(225) . chr(187) . chr(139) => 'i',
chr(225) . chr(187) . chr(140) => 'O', chr(225) . chr(187) . chr(141) => 'o',
chr(225) . chr(187) . chr(152) => 'O', chr(225) . chr(187) . chr(153) => 'o',
chr(225) . chr(187) . chr(162) => 'O', chr(225) . chr(187) . chr(163) => 'o',
chr(225) . chr(187) . chr(164) => 'U', chr(225) . chr(187) . chr(165) => 'u',
chr(225) . chr(187) . chr(176) => 'U', chr(225) . chr(187) . chr(177) => 'u',
chr(225) . chr(187) . chr(180) => 'Y', chr(225) . chr(187) . chr(181) => 'y',
// Vowels with diacritic (Chinese, Hanyu Pinyin)
chr(201) . chr(145) => 'a',
// macron
chr(199) . chr(149) => 'U', chr(199) . chr(150) => 'u',
// acute accent
chr(199) . chr(151) => 'U', chr(199) . chr(152) => 'u',
// caron
chr(199) . chr(141) => 'A', chr(199) . chr(142) => 'a',
chr(199) . chr(143) => 'I', chr(199) . chr(144) => 'i',
chr(199) . chr(145) => 'O', chr(199) . chr(146) => 'o',
chr(199) . chr(147) => 'U', chr(199) . chr(148) => 'u',
chr(199) . chr(153) => 'U', chr(199) . chr(154) => 'u',
// grave accent
chr(199) . chr(155) => 'U', chr(199) . chr(156) => 'u',
);
$string = strtr($string, $chars);
} else {
// Assume ISO-8859-1 if not UTF-8
$chars['in'] = chr(128) . chr(131) . chr(138) . chr(142) . chr(154) . chr(158)
. chr(159) . chr(162) . chr(165) . chr(181) . chr(192) . chr(193) . chr(194)
. chr(195) . chr(196) . chr(197) . chr(199) . chr(200) . chr(201) . chr(202)
. chr(203) . chr(204) . chr(205) . chr(206) . chr(207) . chr(209) . chr(210)
. chr(211) . chr(212) . chr(213) . chr(214) . chr(216) . chr(217) . chr(218)
. chr(219) . chr(220) . chr(221) . chr(224) . chr(225) . chr(226) . chr(227)
. chr(228) . chr(229) . chr(231) . chr(232) . chr(233) . chr(234) . chr(235)
. chr(236) . chr(237) . chr(238) . chr(239) . chr(241) . chr(242) . chr(243)
. chr(244) . chr(245) . chr(246) . chr(248) . chr(249) . chr(250) . chr(251)
. chr(252) . chr(253) . chr(255);
$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
$string = strtr($string, $chars['in'], $chars['out']);
$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
$string = str_replace($double_chars['in'], $double_chars['out'], $string);
}
return $string;
}
function seems_utf8($str)
{
$length = strlen($str);
for ($i = 0; $i < $length; $i++) {
$c = ord($str[$i]);
if ($c < 0x80) $n = 0; # 0bbbbbbb
elseif (($c & 0xE0) == 0xC0) $n = 1; # 110bbbbb
elseif (($c & 0xF0) == 0xE0) $n = 2; # 1110bbbb
elseif (($c & 0xF8) == 0xF0) $n = 3; # 11110bbb
elseif (($c & 0xFC) == 0xF8) $n = 4; # 111110bb
elseif (($c & 0xFE) == 0xFC) $n = 5; # 1111110b
else return false; # Does not match any model
for ($j = 0; $j < $n; $j++) { # n bytes matching 10bbbbbb follow ?
if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
return false;
}
}
return true;
}
function utf8_uri_encode($utf8_string, $length = 0)
{
$unicode = '';
$values = array();
$num_octets = 1;
$unicode_length = 0;
$string_length = strlen($utf8_string);
for ($i = 0; $i < $string_length; $i++) {
$value = ord($utf8_string[$i]);
if ($value < 128) {
if ($length && ($unicode_length >= $length))
break;
$unicode .= chr($value);
$unicode_length++;
} else {
if (count($values) == 0) $num_octets = ($value < 224) ? 2 : 3;
$values[] = $value;
if ($length && ($unicode_length + ($num_octets * 3)) > $length)
break;
if (count($values) == $num_octets) {
if ($num_octets == 3) {
$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
$unicode_length += 9;
} else {
$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
$unicode_length += 6;
}
$values = array();
$num_octets = 1;
}
}
}
return $unicode;
}