Wamp Upgrade PHP to 5.3.21

1. Stop the Wamp Server.

2. Go to the website windows.php.net to download php5.3.21 the vc6 thread safe build. Do not download the installer.

3. Create the php5.3.21 folder in Wamp/bin/PHP

4. decompress the downloaded zip package to the php5.3.21 folder.

5. from an existing PHP version file (such as php5.3.0, (eg. wamp/bin/PHP/php5.3.3) copy the following file:-PHP. INI, phpforapache. INI and wampserver. conf to the php5.3.21 folder.

6. Open the following files in the php5.3.21 Folder:-PHP. ini and phpforapache. ini and replace 5.3.0 with 5.3.21.

7. Go to Wamp/bin/Apache/apache2.2.11/bin to delete the php. ini file.

8. Restart Wamp.

9. Select the old version 5.3.0

10. After selection, Wamp is restarted.

11. Now you can select php> version> 5.3.4.

12. Reboot successful. Complete