stomp extension for php in windows 7

I am trying to install stomp extension for php5.5.12 version, i have wamp server2.5 and windows 7 64 bit pc. I have downloaded the dll file of stomp extension from pecl website [1]: http://ift.tt/1N9LsUi , and enables the entry for the same in php.ini file with the help of phpinfo(), now when i restart the wamp server and tried to see the stomp extension in phpinfo screen it is not there,and there is an warning message in php error file which says that: PHP Warning: PHP Startup: Unable to load dynamic library 'c:/wamp/bin/php/php5.5.12/ext/php_stomp.dll' - %1 is not a valid Win32 application.

I tried to searched different blogs and google,but could not find the running solution.can any one please help me.

thanks and regards