Development News: Moodle 2.1 to require PHP 5.3 as a minimum


Recently announced by Martin Dougiamas [link], Moodle HQ (like is dropping use of php 5.2.  Future Moodle releases will require PHP 5.3 as a minimum. While this information may not affect the majority of Moodle users, it’s nice to know that Moodle is built upon supported web languages (and is not relying on old or outdated versions).

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To learn more about the changes in PHP versions that Moodle will use moving forward visit

Additionally, this got me thinking about what version of PHP my shared hosting at was running.  It took a little sleuthing but it seems that I will be AOK with Bluehost as it is already running PHP5 on my “server”.  If you plan to move to Moodle 2.0 (or already have) check with your server administrator to ensure that an upgrade to Moodle 2.1 will not be a problem.


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  1. Actually there’s a really easy way to determine your PHP version within Moodle. Just click Site Administration > Server > PHP info and it should show the version at the top.

  2. Hi, Frankie. We have installed Moodle 2.0.3 in our VPS with php 5.2.17. Our VPS hosting doesn’t update to 5.3 yet because, according to them, it has an critical incompatibility with Zend Optimizer.

  3. I’m also on BlueHost, but they are running PHP 5.2.17. Moodle 2.1 requires PHP 5.3.2. BlueHost will not provide any estimate on when they will upgrade PHP. I’m stuck with Moodle 2.0,which will run on PHP 5.2.8. It’s very frustrating because I have clients that want to run Moodle 2.1. Arrrrgh!!

  4. To me this is a pain, and in my opinion not actually necessary. I’m happy to be corrected but I cant understand why Moodle decided to adopt 5.3 and force an upgrade from 5.2 between minor versions (minor being x.1 etc.. major 1.x).

    Perhaps its because are no longer willing to support 5.2.x any more?

    Infact I’d be happy for someone to correct me and tell me exactly why this was needed, I’m certainly not feeling much love for Moodle right now which is a real shame – these obstacles just make things difficult when working in the VLE, Learning Platform space is already challenging enough.


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