1. Stop the Wamp Server.
2. Go to the website windows.php.net to download php5.3.5 the vc6 thread safe build. Do not download the installer.
3. Create the php5.3.5 folder in Wamp/bin/PHP
4. decompress the downloaded zip package to the php5.3.5 folder.
5. from an existing PHP version file (such as php5.2.0, (eg. wamp/bin/PHP/php5.2.0) copy the following files:-PHP. INI, phpforapache. INI and wampserver. conf to the php5.3.5 folder.
6. Open the following files in the php5.3.5 Folder:-PHP. ini and phpforapache. ini and replace 5.2.0 with 5.3.5.
7. Go to the Apache bin directory.
Php5ts. dll php5nsapi. dll PHP. ini
To replace it with the corresponding file PHP. ini in php5.3.5, You need to reconfigure it)
Under Apache Conf
Loadmodule php5_module "D:/Wamp/php5.3.5/php5apache2_2.dll" changed to the corresponding path
Copy a copy of wampmanager. ini backup
Delete the php. ini file from Wamp/bin/Apache/apache2.2.11/bin.
8. Restart Wamp.
9. Select the old version 5.2.0
10. After selection, Wamp is restarted.
11. Now you can select php> version> 5.3.5.
12. Reboot successful. Complete