Install Selenium

1. pear install Testing_Selenium-0.4.3 (This will create a Testing folder in your pear directory which will have a php file for selenium)
2. For Selenium we can use firefox Selenium IDE for creating test case (if we use this we can port test case in different languages which included php,html,java,c#, perl etc)
3. http://release.seleniumhq.org/selenium-ide/1.0.6/selenium-ide-1.0.6.xpi
   
    (click this link from firefox and allow to install)