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Yassine Doghri
committed
/**
* @copyright 2020 Podlibre
* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
* @link https://castopod.org/
*/
/**
* Gets the browser default language using the request header key `HTTP_ACCEPT_LANGUAGE`
*
* @param mixed $http_accept_language
*
* @return string|null ISO 639-1 language code or null
*/
function get_browser_language($http_accept_language)
{
$langs = explode(',', $http_accept_language);
if (!empty($langs)) {
return substr($langs[0], 0, 2);
}
return null;
}
Yassine Doghri
committed
/**
* Check if a string starts with some characters
*
* @param string $string
* @param string $query
*
* @return bool
*/
function startsWith($string, $query)
{
return substr($string, 0, strlen($query)) === $query;
}
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function slugify($text)
{
if (empty($text)) {
return 'n-a';
}
// replace non letter or digits by -
$text = preg_replace('~[^\pL\d]+~u', '-', $text);
$unwanted_array = [
'Š' => 'S',
'š' => 's',
'Đ' => 'Dj',
'đ' => 'dj',
'Ž' => 'Z',
'ž' => 'z',
'Č' => 'C',
'č' => 'c',
'Ć' => 'C',
'ć' => 'c',
'À' => 'A',
'Á' => 'A',
'Â' => 'A',
'Ã' => 'A',
'Ä' => 'A',
'Å' => 'A',
'Æ' => 'AE',
'Ç' => 'C',
'È' => 'E',
'É' => 'E',
'Ê' => 'E',
'Ë' => 'E',
'Ì' => 'I',
'Í' => 'I',
'Î' => 'I',
'Ï' => 'I',
'Ñ' => 'N',
'Ò' => 'O',
'Ó' => 'O',
'Ô' => 'O',
'Õ' => 'O',
'Ö' => 'O',
'Ø' => 'O',
'Œ' => 'OE',
'Ù' => 'U',
'Ú' => 'U',
'Û' => 'U',
'Ü' => 'U',
'Ý' => 'Y',
'Þ' => 'B',
'ß' => 'Ss',
'à' => 'a',
'á' => 'a',
'â' => 'a',
'ã' => 'a',
'ä' => 'a',
'å' => 'a',
'æ' => 'ae',
'ç' => 'c',
'è' => 'e',
'é' => 'e',
'ê' => 'e',
'ë' => 'e',
'ì' => 'i',
'í' => 'i',
'î' => 'i',
'ï' => 'i',
'ð' => 'o',
'ñ' => 'n',
'ò' => 'o',
'ó' => 'o',
'ô' => 'o',
'õ' => 'o',
'ö' => 'o',
'ø' => 'o',
'œ' => 'OE',
'ù' => 'u',
'ú' => 'u',
'û' => 'u',
'ý' => 'y',
'ý' => 'y',
'þ' => 'b',
'ÿ' => 'y',
'Ŕ' => 'R',
'ŕ' => 'r',
'/' => '-',
' ' => '-',
];
$text = strtr($text, $unwanted_array);
// transliterate
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
// remove unwanted characters
$text = preg_replace('~[^-\w]+~', '', $text);
// trim
$text = trim($text, '-');
// remove duplicate -
$text = preg_replace('~-+~', '-', $text);
// lowercase
$text = strtolower($text);
return $text;
}