| private split_value ( string $value ) : array | ||
| $value | string | Accept-Language header value. |
| return | array | Array with language and priority, or empty array in case of invalid language. |
private function split_value($value)
{
$language = strtok($value, ';');
if (!preg_match('~[a-zA-Z_-]~', $language)) {
return [];
}
if ($language === $value) {
return [$language, 1];
}
strtok('=');
$priority = strtok(';');
$priority = $this->normalize_priority($priority);
return [$language, $priority];
}