| public static strtolower ( $str, $use_enc = null ) : string. | ||
| $str | string. The string to lowercase | |
| $use_enc | string. The encoding to be used. If not set, the internal encoding will be used. | |
| return | string. | |
public static function strtolower($str, $use_enc = null)
{
$enc = self::$hab_enc;
if ($use_enc !== null) {
$enc = $use_enc;
}
if (self::$use_library == self::USE_MBSTRING) {
$ret = mb_strtolower($str, $enc);
} else {
$ret = strtolower($str);
}
return $ret;
}