UPGRADE


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         Upgrading Instructions for PRADO Framework v3.0.4
         =================================================

!!!IMPORTANT!!!

After installing the framework, remember to delete everything under
your PRADO application's assets and runtime directories.


The following upgrading instructions are cumulative. That is,
if you want to upgrade from version A to version C and there is
version B between A and C, you need to following the instructions
for both A and B.

Upgrading from v3.0.3
---------------------


Upgrading from v3.0.2
---------------------
- The minimum PHP version required is raised to 5.1.0 and above.
  If your server is installed with a lower version of PHP, you will
  have to upgrade it in order to run PRADO applications.
- The signature of TControl::broadcastEvent() is changed from
  broadcastEvent($sender,TBroadCastEventParameter $param) to
  broadcastEvent($name,$sender,$param).
  This makes the call to broadcastEvent() to be consistent with raiseEvent().

Upgrading from v3.0.1
---------------------
- Postback enabled control will always disable default client-side browser action.
  This is due to google toolbar's interference of event stopping scheme.
  This modification should only affect user-derived postback javascripts.

Upgrading from v3.0.0
---------------------
- URL format is modified when THttpRequest.UrlFormat=='Path'.
  This modification affects both the URLs generated by calling constructUrl()
  and the URLs understood by PRADO. In particular, PRADO now understands
  the following URL format:
  /index.php/ServiceID,ServiceParam/Name1,Value1/Name2,Value2/...
  In v3.0.0, the above URL is written as:
  /index.php/ServiceID/ServiceParam/Name1/Value1/Name2/Value2/...
- TControl::onBubbleEvent() has been changed to TControl::bubbleEvent().
  This change only affects user controls that override this method.

Upgrading from v2.x and v1.x
----------------------------
PRADO v3.x is not backward compatible with v2.x and v1.x.