public function date(string $version, string $format = 'F jS, Y'): string
    {
        if (!$format) {
            return ''; // Not possible.
        } elseif (!($time = $this->time($version))) {
            return ''; // Not possible.
        }
        return date($format, $time);
    }
public function date(string $version, string $format = 'F jS, Y'): string
    {
        if (!$format) {
            return ''; // Not possible.
        } elseif (!($time = $this->time($version))) {
            return ''; // Not possible.
        }
        return date($format, $time);
    }
public function date ( string $ version , string $ format = 'F jS, Y' ) : string { if ( ! $ format ) { return '' ; // Not possible. } elseif ( ! ( $ time = $ this -> time ( $ version ) ) ) { return '' ; // Not possible. } return date ( $ format , $ time ) ; }
WS version to date.

@since 150424 Initial release.

@param string $version Input version.
@param string $format  Any valid date format string.

@return string Date string, else empty string on failure.
WS version to date .