- return trim(preg_replace('/[\/_|+ -]+/', '-', strtolower(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $data))))), '-');
+ return trim(preg_replace('/[\/_|+ -]+/', $separator, strtolower(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $data))))), $separator);
+ }
+
+ /**
+ * Convert string to latin
+ *
+ * @param string $data The data string
+ * @return ?string The slugged data
+ */
+ function latin(?string $data): ?string {
+ //With null
+ if ($data === null) {
+ //Return null
+ return $data;
+ }
+
+ //Use Transliterator if available
+ if (class_exists('Transliterator')) {
+ //Convert from any to latin, then to ascii and lowercase
+ $trans = \Transliterator::create('Any-Latin; Latin-ASCII');
+ //Replace every non alphanumeric character by dash then trim dash
+ return trim($trans->transliterate($data));
+ }
+
+ //Convert from utf-8 to ascii
+ return trim(iconv('UTF-8', 'ASCII//TRANSLIT', $data));