Usage:  http://th.R24.org/xmlR24.php?p=PartnerID [&filters]
Version: 3.4b
required: PartnerID is your R24 registered domainID

optional filter parameters:

&r=region,...
returns hotel results for these R24 region(s) only
Example: &r=isan

&v=province,...
returns hotel results for these (sub)provinceID(s) only
Example: &v=63b,63c

&h=hno,...
returns hotel results for specific hotel numbers only
Example: &h=620253,620145

&l=location
filters on parts of the hotel location description
Example: &l=sukhumvit

&k=hotel-name
filters on parts of the hotel name 
Example: &k=Marriott

&kl=any%20text
filter combines [&l or &k]

&g=range,hno             or
&g=range,Latitude,Longitude
returns hotel results within range (in METER) of a specific hotel or coordinates
Example(1): &g=2000,13.742,100.552
Example(2): &g=2000,620145

&s=[-]region,name,location,rate,hno
sort result by one or more of the options above
[-] is descending, otherwise ascending.
Example: &s=location,-rate  (default)

&n=limit
limits the result to a specified number (max-limit)
Example: &n=20   (max. 20 results)

&x=extratag,extragtag,...
provides additional fields in the xml result
available values for `extratag`:
  review   (provides information abouit available reviews)
  roomtype (additional information about the room types)
  intro-en (additional brief introduction text per hotel, english)
  intro-th (additional brief introduction text per hotel, thai)
  intro-cn (additional brief introduction text per hotel, chinese)
  roomstatus(additional information about the room availability if &d spcified)

&c=currency
return additional field for currency other than USD,THB
Example: &c=EUR

&d=period of stay
Example: &d=2012-01-20/2012-01-25
Example: &d=2012-01-20/5



========================================
Added in [v3.0]:
support for &x=roomstatus
minrate now based on availability 
added tag for tax factor
add parameters adult, child, rooms

Added in [v2.6]:
extended multi-language intro-texts

Added in [v2.5]:
support of hotelname in Thai

Added in [v2.4]:
support of multi-language intro-texts

Added in [v2.3]:
support for availability and roomstatus

Added in [v2.2]:
bugfix in staring rate calculation. Now excl.17% Tax.

Added in [v2.1]:
added extratag &x=intro-th
for hotel`s introduction brief text (thai).

Added in [v2.0]:
added extratag &x=intro-en
for hotel`s introduction brief text (english).

Added in [v1.9]:
add more attributes for `minrate_cur`
&kl combination filter added

Added in [v1.8]:
`hotellink2` updated more SEO friendly.

Added in [v1.7]:
hotellink2 added (R24DB.com version 2010)
&c multicurrency default to EUR if not set
&k &l bugfixes with space characters

Added in [v1.6]:
&k keyword parameter for hotel name

Added in [v1.5]:
multicurrency support.

Added in [v1.4]:
additional rating parameter for reviews (&x)

Added in [v1.3]:
$n limiter parameter for limitresults
&x parameter added for additonal fields

Added in [v1.2]:
&g folder added to get hotels relative located to
distance_mt added (for &g filter)
&db functions moved to xmlR24db.php 

Additional fields [v1.1]:
missing hoteltag added (need for building some links)
hotel address added (street)
geographic loation of the hotels added
Additional functions [v1.0]:
&db=region       returns list of current supported regionID
&db=province     returns list of current supported provinceID

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