/**
* Converts (Accented) Foreign Characters to ASCII
*
* @param string $string Input string
* @param string $language Language identificator
* @return string
*/
function convert_accented_characters($string, $language = null)
{
$language = (string) $language;
if ($language == '') {
$language = config_item('language');
}
// See https://github.com/ivantcholakov/transliterate
return Transliterate::to_ascii($string, $language);
}
function url_title($str, $separator = '-', $lowercase = FALSE, $transliterate_to_ascii = TRUE, $language = NULL)
{
$language = (string) $language;
if ($language == '') {
$language = config_item('language');
}
$str = strip_tags($str);
if ($transliterate_to_ascii) {
$str = Transliterate::to_ascii($str, $language);
}
if ($separator === 'dash') {
$separator = '-';
} elseif ($separator === 'underscore') {
$separator = '_';
}
$q_separator = preg_quote($separator);
if (PCRE_UTF8_INSTALLED) {
$trans = array('&.+?;' => '', '[^\\p{L}0-9 _-]' => '', '\\s+' => $separator, '(' . $q_separator . ')+' => $separator);
foreach ($trans as $key => $val) {
$str = preg_replace('#' . $key . '#u', $val, $str);
}
} else {
$trans = array('&.+?;' => '', '[^a-z0-9 _-]' => '', '\\s+' => $separator, '(' . $q_separator . ')+' => $separator);
foreach ($trans as $key => $val) {
$str = preg_replace('#' . $key . '#i', $val, $str);
}
}
if ($lowercase) {
$str = UTF8::strtolower($str);
}
return trim(trim($str, $separator));
}