How to upgrade php 5.1 to 5.3 in wamp

You need to follow the below steps and you will be able to do it easily:

Go to the website windows.php.net/download/ and download the zip package which is required for you .

Suppose you want to upgrade from php5.1 to php 5.3.2 then do the following:

Extract the contents of the zip(which you have downloaded) to C:/wamp/bin/php/php5.3.2 (or the directory where you have installed wamp)

Copy php.ini, phpForApache.ini and wamserver.conf from the php5.1 folder to the php5.3.2 folder. Update the PHP version in php.ini and phpForApache.ini .

Now left click the wamp tray icon and choose PHP > Version > 5.3.2. If you do not see 5.3.2 listed right click the wamp tray icon and choose Refresh. Now try changing PHP version as mentioned.

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