{

protected static $urlReplace = [

'À' => 'A',

'Á' => 'A',

'Â' => 'A',

'Ã' => 'A',

'Ä' => 'Ae',

'Å' => 'A',

'Æ' => 'A',

'Ā' => 'A',

'Ą' => 'A',

'Ă' => 'A',

'Ç' => 'C',

'Ć' => 'C',

'Č' => 'C',

'Ĉ' => 'C',

'Ċ' => 'C',

'Ď' => 'D',

'Đ' => 'D',

'È' => 'E',

'É' => 'E',

'Ê' => 'E',

'Ë' => 'E',

'Ē' => 'E',

'Ę' => 'E',

'Ě' => 'E',

'Ĕ' => 'E',

'Ė' => 'E',

'Ĝ' => 'G',

'Ğ' => 'G',

'Ġ' => 'G',

'Ģ' => 'G',

'Ĥ' => 'H',

'Ħ' => 'H',

'Ì' => 'I',

'Í' => 'I',

'Î' => 'I',

'Ï' => 'I',

'Ī' => 'I',

'Ĩ' => 'I',

'Ĭ' => 'I',

'Į' => 'I',

'İ' => 'I',

'IJ' => 'IJ',

'Ĵ' => 'J',

'Ķ' => 'K',

'Ľ' => 'K',

'Ĺ' => 'K',

'Ļ' => 'K',

'Ŀ' => 'K',

'Ł' => 'L',

'Ñ' => 'N',

'Ń' => 'N',

'Ň' => 'N',

'Ņ' => 'N',

'Ŋ' => 'N',

'Ò' => 'O',

'Ó' => 'O',

'Ô' => 'O',

'Õ' => 'O',

'Ö' => 'Oe',

'Ø' => 'O',

'Ō' => 'O',

'Ő' => 'O',

'Ŏ' => 'O',

'Œ' => 'OE',

'Ŕ' => 'R',

'Ř' => 'R',

'Ŗ' => 'R',

'Ś' => 'S',

'Ş' => 'S',

'Ŝ' => 'S',

'Ș' => 'S',

'Š' => 'S',

'Ť' => 'T',

'Ţ' => 'T',

'Ŧ' => 'T',

'Ț' => 'T',

'Ù' => 'U',

'Ú' => 'U',

'Û' => 'U',

'Ü' => 'Ue',

'Ū' => 'U',

'Ů' => 'U',

'Ű' => 'U',

'Ŭ' => 'U',

'Ũ' => 'U',

'Ų' => 'U',

'Ŵ' => 'W',

'Ŷ' => 'Y',

'Ÿ' => 'Y',

'Ý' => 'Y',

'Ź' => 'Z',

'Ż' => 'Z',

'Ž' => 'Z',

'à' => 'a',

'á' => 'a',

'â' => 'a',

'ã' => 'a',

'ä' => 'ae',

'ā' => 'a',

'ą' => 'a',

'ă' => 'a',

'å' => 'a',

'æ' => 'ae',

'ç' => 'c',

'ć' => 'c',

'č' => 'c',

'ĉ' => 'c',

'ċ' => 'c',

'ď' => 'd',

'đ' => 'd',

'è' => 'e',

'é' => 'e',

'ê' => 'e',

'ë' => 'e',

'ē' => 'e',

'ę' => 'e',

'ě' => 'e',

'ĕ' => 'e',

'ė' => 'e',

'ƒ' => 'f',

'ĝ' => 'g',

'ğ' => 'g',

'ġ' => 'g',

'ģ' => 'g',

'ĥ' => 'h',

'ħ' => 'h',

'ì' => 'i',

'í' => 'i',

'î' => 'i',

'ï' => 'i',

'ī' => 'i',

'ĩ' => 'i',

'ĭ' => 'i',

'į' => 'i',

'ı' => 'i',

'ij' => 'ij',

'ĵ' => 'j',

'ķ' => 'k',

'ĸ' => 'k',

'ł' => 'l',

'ľ' => 'l',

'ĺ' => 'l',

'ļ' => 'l',

'ŀ' => 'l',

'ñ' => 'n',

'ń' => 'n',

'ň' => 'n',

'ņ' => 'n',

'ʼn' => 'n',

'ŋ' => 'n',

'ò' => 'o',

'ó' => 'o',

'ô' => 'o',

'õ' => 'o',

'ö' => 'oe',

'ø' => 'o',

'ō' => 'o',

'ő' => 'o',

'ŏ' => 'o',

'œ' => 'oe',

'ŕ' => 'r',

'ř' => 'r',

'ŗ' => 'r',

'ś' => 's',

'š' => 's',

'ť' => 't',

'ù' => 'u',

'ú' => 'u',

'û' => 'u',

'ü' => 'ue',

'ū' => 'u',

'ů' => 'u',

'ű' => 'u',

'ŭ' => 'u',

'ũ' => 'u',

'ų' => 'u',

'ŵ' => 'w',

'ÿ' => 'y',

'ý' => 'y',

'ŷ' => 'y',

'ż' => 'z',

'ź' => 'z',

'ž' => 'z',

'ß' => 'ss',

'ſ' => 'ss',

'Α' => 'A',

'Ά' => 'A',

'Ἀ' => 'A',

'Ἁ' => 'A',

'Ἂ' => 'A',

'Ἃ' => 'A',

'Ἄ' => 'A',

'Ἅ' => 'A',

'Ἆ' => 'A',

'Ἇ' => 'A',

'ᾈ' => 'A',

'ᾉ' => 'A',

'ᾊ' => 'A',

'ᾋ' => 'A',

'ᾌ' => 'A',

'ᾍ' => 'A',

'ᾎ' => 'A',

'ᾏ' => 'A',

'Ᾰ' => 'A',

'Ᾱ' => 'A',

'Ὰ' => 'A',

'Ά' => 'A',

'ᾼ' => 'A',

'Β' => 'B',

'Γ' => 'G',

'Δ' => 'D',

'Ε' => 'E',

'Έ' => 'E',

'Ἐ' => 'E',

'Ἑ' => 'E',

'Ἒ' => 'E',

'Ἓ' => 'E',

'Ἔ' => 'E',

'Ἕ' => 'E',

'Έ' => 'E',

'Ὲ' => 'E',

'Ζ' => 'Z',

'Η' => 'I',

'Ή' => 'I',

'Ἠ' => 'I',

'Ἡ' => 'I',

'Ἢ' => 'I',

'Ἣ' => 'I',

'Ἤ' => 'I',

'Ἥ' => 'I',

'Ἦ' => 'I',

'Ἧ' => 'I',

'ᾘ' => 'I',

'ᾙ' => 'I',

'ᾚ' => 'I',

'ᾛ' => 'I',

'ᾜ' => 'I',

'ᾝ' => 'I',

'ᾞ' => 'I',

'ᾟ' => 'I',

'Ὴ' => 'I',

'Ή' => 'I',

'ῌ' => 'I',

'Θ' => 'TH',

'Ι' => 'I',

'Ί' => 'I',

'Ϊ' => 'I',

'Ἰ' => 'I',

'Ἱ' => 'I',

'Ἲ' => 'I',

'Ἳ' => 'I',

'Ἴ' => 'I',

'Ἵ' => 'I',

'Ἶ' => 'I',

'Ἷ' => 'I',

'Ῐ' => 'I',

'Ῑ' => 'I',

'Ὶ' => 'I',

'Ί' => 'I',

'Κ' => 'K',

'Λ' => 'L',

'Μ' => 'M',

'Ν' => 'N',

'Ξ' => 'KS',

'Ο' => 'O',

'Ό' => 'O',

'Ὀ' => 'O',

'Ὁ' => 'O',

'Ὂ' => 'O',

'Ὃ' => 'O',

'Ὄ' => 'O',

'Ὅ' => 'O',

'Ὸ' => 'O',

'Ό' => 'O',

'Π' => 'P',

'Ρ' => 'R',

'Ῥ' => 'R',

'Σ' => 'S',

'Τ' => 'T',

'Υ' => 'Y',

'Ύ' => 'Y',

'Ϋ' => 'Y',

'Ὑ' => 'Y',

'Ὓ' => 'Y',

'Ὕ' => 'Y',

'Ὗ' => 'Y',

'Ῠ' => 'Y',

'Ῡ' => 'Y',

'Ὺ' => 'Y',

'Ύ' => 'Y',

'Φ' => 'F',

'Χ' => 'X',

'Ψ' => 'PS',

'Ω' => 'O',

'Ώ' => 'O',

'Ὠ' => 'O',

'Ὡ' => 'O',

'Ὢ' => 'O',

'Ὣ' => 'O',

'Ὤ' => 'O',

'Ὥ' => 'O',

'Ὦ' => 'O',

'Ὧ' => 'O',

'ᾨ' => 'O',

'ᾩ' => 'O',

'ᾪ' => 'O',

'ᾫ' => 'O',

'ᾬ' => 'O',

'ᾭ' => 'O',

'ᾮ' => 'O',

'ᾯ' => 'O',

'Ὼ' => 'O',

'Ώ' => 'O',

'ῼ' => 'O',

'α' => 'a',

'ά' => 'a',

'ἀ' => 'a',

'ἁ' => 'a',

'ἂ' => 'a',

'ἃ' => 'a',

'ἄ' => 'a',

'ἅ' => 'a',

'ἆ' => 'a',

'ἇ' => 'a',

'ᾀ' => 'a',

'ᾁ' => 'a',

'ᾂ' => 'a',

'ᾃ' => 'a',

'ᾄ' => 'a',

'ᾅ' => 'a',

'ᾆ' => 'a',

'ᾇ' => 'a',

'ὰ' => 'a',

'ά' => 'a',

'ᾰ' => 'a',

'ᾱ' => 'a',

'ᾲ' => 'a',

'ᾳ' => 'a',

'ᾴ' => 'a',

'ᾶ' => 'a',

'ᾷ' => 'a',

'β' => 'b',

'γ' => 'g',

'δ' => 'd',

'ε' => 'e',

'έ' => 'e',

'ἐ' => 'e',

'ἑ' => 'e',

'ἒ' => 'e',

'ἓ' => 'e',

'ἔ' => 'e',

'ἕ' => 'e',

'ὲ' => 'e',

'έ' => 'e',

'ζ' => 'z',

'η' => 'i',

'ή' => 'i',

'ἠ' => 'i',

'ἡ' => 'i',

'ἢ' => 'i',

'ἣ' => 'i',

'ἤ' => 'i',

'ἥ' => 'i',

'ἦ' => 'i',

'ἧ' => 'i',

'ᾐ' => 'i',

'ᾑ' => 'i',

'ᾒ' => 'i',

'ᾓ' => 'i',

'ᾔ' => 'i',

'ᾕ' => 'i',

'ᾖ' => 'i',

'ᾗ' => 'i',

'ὴ' => 'i',

'ή' => 'i',

'ῂ' => 'i',

'ῃ' => 'i',

'ῄ' => 'i',

'ῆ' => 'i',

'ῇ' => 'i',

'θ' => 'th',

'ι' => 'i',

'ί' => 'i',

'ϊ' => 'i',

'ΐ' => 'i',

'ἰ' => 'i',

'ἱ' => 'i',

'ἲ' => 'i',

'ἳ' => 'i',

'ἴ' => 'i',

'ἵ' => 'i',

'ἶ' => 'i',

'ἷ' => 'i',

'ὶ' => 'i',

'ί' => 'i',

'ῐ' => 'i',

'ῑ' => 'i',

'ῒ' => 'i',

'ΐ' => 'i',

'ῖ' => 'i',

'ῗ' => 'i',

'κ' => 'k',

'λ' => 'l',

'μ' => 'm',

'ν' => 'n',

'ξ' => 'ks',

'ο' => 'o',

'ό' => 'o',

'ὀ' => 'o',

'ὁ' => 'o',

'ὂ' => 'o',

'ὃ' => 'o',

'ὄ' => 'o',

'ὅ' => 'o',

'ὸ' => 'o',

'ό' => 'o',

'π' => 'p',

'ρ' => 'r',

'ῤ' => 'r',

'ῥ' => 'r',

'σ' => 's',

'ς' => 's',

'τ' => 't',

'υ' => 'y',

'ύ' => 'y',

'ϋ' => 'y',

'ΰ' => 'y',

'ὐ' => 'y',

'ὑ' => 'y',

'ὒ' => 'y',

'ὓ' => 'y',

'ὔ' => 'y',

'ὕ' => 'y',

'ὖ' => 'y',

'ὗ' => 'y',

'ὺ' => 'y',

'ύ' => 'y',

'ῠ' => 'y',

'ῡ' => 'y',

'ῢ' => 'y',

'ΰ' => 'y',

'ῦ' => 'y',

'ῧ' => 'y',

'φ' => 'f',

'χ' => 'x',

'ψ' => 'ps',

'ω' => 'o',

'ώ' => 'o',

'ὠ' => 'o',

'ὡ' => 'o',

'ὢ' => 'o',

'ὣ' => 'o',

'ὤ' => 'o',

'ὥ' => 'o',

'ὦ' => 'o',

'ὧ' => 'o',

'ᾠ' => 'o',

'ᾡ' => 'o',

'ᾢ' => 'o',

'ᾣ' => 'o',

'ᾤ' => 'o',

'ᾥ' => 'o',

'ᾦ' => 'o',

'ᾧ' => 'o',

'ὼ' => 'o',

'ώ' => 'o',

'ῲ' => 'o',

'ῳ' => 'o',

'ῴ' => 'o',

'ῶ' => 'o',

'ῷ' => 'o',

'¨' => '',

'΅' => '',

'᾿' => '',

'῾' => '',

'῍' => '',

'῝' => '',

'῎' => '',

'῞' => '',

'῏' => '',

'῟' => '',

'῀' => '',

'῁' => '',

'΄' => '',

'΅' => '',

'`' => '',

'῭' => '',

'ͺ' => '',

'᾽' => '',

'А' => 'A',

'Б' => 'B',

'В' => 'V',

'Г' => 'G',

'Д' => 'D',

'Е' => 'E',

'Ё' => 'E',

'Ж' => 'ZH',

'З' => 'Z',

'И' => 'I',

'Й' => 'I',

'К' => 'K',

'Л' => 'L',

'М' => 'M',

'Н' => 'N',

'О' => 'O',

'П' => 'P',

'Р' => 'R',

'С' => 'S',

'Т' => 'T',

'У' => 'U',

'Ф' => 'F',

'Х' => 'KH',

'Ц' => 'TS',

'Ч' => 'CH',

'Ш' => 'SH',

'Щ' => 'SHCH',

'Ы' => 'Y',

'Э' => 'E',

'Ю' => 'YU',

'Я' => 'YA',

'а' => 'A',

'б' => 'B',

'в' => 'V',

'г' => 'G',

'д' => 'D',

'е' => 'E',

'ё' => 'E',

'ж' => 'ZH',

'з' => 'Z',

'и' => 'I',

'й' => 'I',

'к' => 'K',

'л' => 'L',

'м' => 'M',

'н' => 'N',

'о' => 'O',

'п' => 'P',

'р' => 'R',

'с' => 'S',

'т' => 'T',

'у' => 'U',

'ф' => 'F',

'х' => 'KH',

'ц' => 'TS',

'ч' => 'CH',

'ш' => 'SH',

'щ' => 'SHCH',

'ы' => 'Y',

'э' => 'E',

'ю' => 'YU',

'я' => 'YA',

'Ъ' => '',

'ъ' => '',

'Ь' => '',

'ь' => '',

'Є' => 'YE',

'є' => 'YE',

'Ї' => 'YI',

'ї' => 'YI',

'Ґ' => 'KG',

'ґ' => 'KG',

'ð' => 'd',

'Ð' => 'D',

'þ' => 'th',

'Þ' => 'TH',

'&' => '-',

'/' => '-',

'(' => '-',

'"' => '-',

"'" => '-',

];

//

// Generate a string with numbered links (for multipage scripts)

//

public static function paginate($numPages, $curPage, $link, $args = null)

{

$pages = [];

$linkToAll = false;

// If $curPage == -1, we link to all pages (used in Forum.php)

if ($curPage == -1) {

$curPage = 1;

$linkToAll = true;

}

if ($numPages <= 1) {

$pages = ['<strong class="item1">1</strong>'];

} else {

// Add a previous page link

if ($numPages > 1 && $curPage > 1) {

$pages[] = '<a rel="prev"'.(empty($pages) ? ' class="item1"' : '').' href="'.self::getSublink($link, 'page/$1', ($curPage - 1), $args).'">'.__('Previous').'</a>';

}

if ($curPage > 3) {

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'">1</a>';

if ($curPage > 5) {

$pages[] = '<span class="spacer">'.__('Spacer').'</span>';

}

}

// Don't ask me how the following works. It just does, OK? :-)

for ($current = ($curPage == 5) ? $curPage - 3 : $curPage - 2, $stop = ($curPage + 4 == $numPages) ? $curPage + 4 : $curPage + 3; $current < $stop; ++$current) {

if ($current < 1 || $current > $numPages) {

continue;

} elseif ($current != $curPage || $linkToAll) {

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.str_replace('#', '', self::getSublink($link, 'page/$1', $current, $args)).'">'.Utils::forumNumberFormat($current).'</a>';

} else {

$pages[] = '<strong'.(empty($pages) ? ' class="item1"' : '').'>'.Utils::forumNumberFormat($current).'</strong>';

}

}

if ($curPage <= ($numPages-3)) {

if ($curPage != ($numPages-3) && $curPage != ($numPages-4)) {

$pages[] = '<span class="spacer">'.__('Spacer').'</span>';

}

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.self::getSublink($link, 'page/$1', $numPages, $args).'">'.Utils::forumNumberFormat($numPages).'</a>';

}

// Add a next page link

if ($numPages > 1 && !$linkToAll && $curPage < $numPages) {

$pages[] = '<a rel="next"'.(empty($pages) ? ' class="item1"' : '').' href="'.self::getSublink($link, 'page/$1', ($curPage + 1), $args).'">'.__('Next').'</a>';

}

}

return implode(' ', $pages);

}

//

// Generate a string with numbered links (for multipage scripts)

// Old FluxBB-style function for search page

//

public static function paginateOld($numPages, $curPage, $link)

{

$pages = [];

$linkToAll = false;

// If $curPage == -1, we link to all pages (used in Forum.php)

if ($curPage == -1) {

$curPage = 1;

$linkToAll = true;

}

if ($numPages <= 1) {

$pages = ['<strong class="item1">1</strong>'];

} else {

// Add a previous page link

if ($numPages > 1 && $curPage > 1) {

$pages[] = '<a rel="prev"'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.($curPage == 2 ? '' : '&amp;p='.($curPage - 1)).'">'.__('Previous').'</a>';

}

if ($curPage > 3) {

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'">1</a>';

if ($curPage > 5) {

$pages[] = '<span class="spacer">'.__('Spacer').'</span>';

}

}

// Don't ask me how the following works. It just does, OK? :-)

for ($current = ($curPage == 5) ? $curPage - 3 : $curPage - 2, $stop = ($curPage + 4 == $numPages) ? $curPage + 4 : $curPage + 3; $current < $stop; ++$current) {

if ($current < 1 || $current > $numPages) {

continue;

} elseif ($current != $curPage || $linkToAll) {

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.($current == 1 ? '' : '&amp;p='.$current).'">'.Utils::forumNumberFormat($current).'</a>';

} else {

$pages[] = '<strong'.(empty($pages) ? ' class="item1"' : '').'>'.Utils::forumNumberFormat($current).'</strong>';

}

}

if ($curPage <= ($numPages-3)) {

if ($curPage != ($numPages-3) && $curPage != ($numPages-4)) {

$pages[] = '<span class="spacer">'.__('Spacer').'</span>';

}

$pages[] = '<a'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&amp;p='.$numPages.'">'.Utils::forumNumberFormat($numPages).'</a>';

}

// Add a next page link

if ($numPages > 1 && !$linkToAll && $curPage < $numPages) {

$pages[] = '<a rel="next"'.(empty($pages) ? ' class="item1"' : '').' href="'.$link.'&amp;p='.($curPage +1).'">'.__('Next').'</a>';

}

}

return implode(' ', $pages);

}

//

// Make a string safe to use in a URL

// Inspired by (c) Panther <http://www.pantherforum.org/>

//

public static function slug($str)

{

$str = strtr($str, self::$urlReplace);

$str = strtolower(utf8_decode($str));

$str = Utils::trim(preg_replace(['/[^a-z0-9\s]/', '/[\s]+/'], ['', '-'], $str), '-');

if (empty($str)) {

$str = 'view';

}

return $str;

}

//

// Generate link to another page on the forum

// Inspired by (c) Panther <http://www.pantherforum.org/>

//

public static function get($link, $args = null)

{

$baseUrl = self::base();

$genLink = $link;

if ($args == null) {

$genLink = $baseUrl.'/'.$link;

} elseif (!is_array($args)) {

$genLink = $baseUrl.'/'.str_replace('$1', $args, $link);

} else {

for ($i = 0; isset($args[$i]); ++$i) {

$genLink = str_replace('$'.($i + 1), $args[$i], $genLink);

}

$genLink = $baseUrl.'/'.$genLink;

}

return $genLink;

}

//

// Generate a hyperlink with parameters and anchor and a subsection such as a subpage

// Inspired by (c) Panther <http://www.pantherforum.org/>

//

private static function getSublink($link, $sublink, $subarg, $args = null)

{

$baseUrl = self::base();

if ($sublink == 'p$1' && $subarg == 1) {

return self::get($link, $args);

}

$genLink = $link;

if (!is_array($args) && $args != null) {

$genLink = str_replace('$1', $args, $link);

} else {

for ($i = 0; isset($args[$i]); ++$i) {

$genLink = str_replace('$'.($i + 1), $args[$i], $genLink);

}

}

$genLink = $baseUrl.'/'.str_replace('#', str_replace('$1', str_replace('$1', $subarg, $sublink), '$1/'), $genLink);

return $genLink;

}

//

// Fetch the base_url, optionally support HTTPS and HTTP

//

public static function base()

{

return Request::getUri()->getScheme().'://'.Request::getUri()->getHost().Request::getUri()->getBasePath();

}

//

// Fetch the base_url for static files, optionally support HTTPS and HTTP

//

public static function baseStatic()

{

return Request::getUri()->getScheme().'://'.Request::getUri()->getHost();

}

//

// function isValid($url) {

//

// Return associative array of valid URI components, or FALSE if $url is not

// RFC-3986 compliant. If the passed URL begins with: "www." or "ftp.", then

// "http://" or "ftp://" is prepended and the corrected full-url is stored in

// the return array with a key name "url". This value should be used by the caller.

//

// Return value: FALSE if $url is not valid, otherwise array of URI components:

// e.g.

// Given: "http://www.jmrware.com:80/articles?height=10&width=75#fragone"

// Array(

// [scheme] => http

// [authority] => www.jmrware.com:80

// [userinfo] =>

// [host] => www.jmrware.com

// [IP_literal] =>

// [IPV6address] =>

// [ls32] =>

// [IPvFuture] =>

// [IPv4address] =>

// [regname] => www.jmrware.com

// [port] => 80

// [path_abempty] => /articles

// [query] => height=10&width=75

// [fragment] => fragone

// [url] => http://www.jmrware.com:80/articles?height=10&width=75#fragone

// )

public static function isValid($url)

{

if (strpos($url, 'www.') === 0) {

$url = 'http://'. $url;

}

if (strpos($url, 'ftp.') === 0) {

$url = 'ftp://'. $url;

}

if (!preg_match('/# Valid absolute URI having a non-empty, valid DNS host.

/mx', $url, $m)) {

return false;

}

switch ($m['scheme']) {

case 'https':

case 'http':

if ($m['userinfo']) {

return false;

} // HTTP scheme does not allow userinfo.

break;

case 'ftps':

case 'ftp':

break;

default:

return false; // Unrecognised URI scheme. Default to FALSE.

}

// Validate host name conforms to DNS "dot-separated-parts".

if ($m{'regname'}) {

// If host regname specified, check for DNS conformance.

if (!preg_match('/# HTTP DNS host name.

/ix', $m['host'])) {

return false;

}

}

$m['url'] = $url;

for ($i = 0; isset($m[$i]); ++$i) {

unset($m[$i]);

}

return $m; // return TRUE == array of useful named $matches plus the valid $url.

}