// see: http://www.jwz.org/doc/mid.html
list( $usec, $sec ) = explode( ' ', microtime() );
$usec = substr( $usec, 2 );
- $key = wfBaseConvert( $sec . $usec, 10, 36 ) . '.' .
- wfBaseConvert( mt_rand(), 10, 36 ) . '.' .
+ $key = Wikimedia\base_convert( $sec . $usec, 10, 36 ) . '.' .
+ Wikimedia\base_convert( mt_rand(), 10, 36 ) . '.' .
$this->userId . '.' .
$extension;