src/Faker/DateTime.php
public static function dateTimeFormat()
    {
        return self::pickOne(array(
            DATE_ATOM,
            DATE_COOKIE,
            DATE_ISO8601,
            DATE_RFC822,
            DATE_RFC850,
            DATE_RFC1036,
            DATE_RFC1123,
            DATE_RFC2822,
            DATE_RSS,
            DATE_W3C,
        ));
    }
public static function dateTimeFormat()
    {
        return self::pickOne(array(
            DATE_ATOM,
            DATE_COOKIE,
            DATE_ISO8601,
            DATE_RFC822,
            DATE_RFC850,
            DATE_RFC1036,
            DATE_RFC1123,
            DATE_RFC2822,
            DATE_RSS,
            DATE_W3C,
        ));
    }
public static function dateTimeFormat ( ) { return self :: pickOne ( array ( DATE_ATOM , DATE_COOKIE , DATE_ISO8601 , DATE_RFC822 , DATE_RFC850 , DATE_RFC1036 , DATE_RFC1123 , DATE_RFC2822 , DATE_RSS , DATE_W3C , ) ) ; }
Return a random date and time format.

@access public
@static
@return string Date and time format
Return a random date and time format .