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I've been running certain 5.6 for a long while and wondering if I ever should migrate to 7.0 or just leave alone. Installation instructions say 7.0 is recommended but so is 5.6

Anyone have opinions on this?

---Update: I have upgraded my WordPress site to 7.2 without too much trouble. However the Drupal 7 / Civi site when I tried to update, I got 503 errors and had to roll back. I think there are some really tight controls the consulting firm put into place. I kept reading about FastCGI and NGINX and had no idea. I do not know about these and if they are used. I know that FPM is used. I want to update before year end but I am scared. Anyone?

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  • Thank youb to the first answer. It was very good. Read articles
    – Webmaster TheCMG
    Commented Apr 22, 2018 at 8:58

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A few considerations:

1) You want to be running a version that has security support. See https://secure.php.net/supported-versions.php Both 5.6 & 7.0 have support to Dec 2018. Beyond that, you need 7.1+ (although 7.1 is not currently recommended for use with CiviCRM - https://docs.civicrm.org/sysadmin/en/latest/requirements/)

2) php 7 is faster than 5.6. See http://www.zend.com/en/resources/php7_infographic Why not run the faster version?

3) Maintaining support for old versions of php is a drain on development resources and prevents CiviCRM taking advantage of new php features.

So, yes upgrade to 7.0 now (providing you are on the current 4.7.* release) and expect to keep upgrading.

[Edit: prompted by Graham's comment.]

Php requirements links:

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  • Would he useful to understand, in this context, what the level of support is for PHP 7 among the host CMS systems. Anyone got that detail handy?
    – Graham
    Commented Feb 6, 2018 at 11:28
  • I am running 4.7.29 and keep that updated. But upon trying to upgrade , I ran into a problems. I am running Drupal 7 and do not know it very well. I tried to update to just 7.0 but I think I may have done it wrong and left some modules out.
    – Webmaster TheCMG
    Commented Feb 7, 2018 at 23:26
  • Check you have the php7 version of these modules: docs.civicrm.org/sysadmin/en/latest/requirements/…
    – Aidan ♦
    Commented Feb 8, 2018 at 9:16

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