Answers.Body: <p>If you look at the release notes for CiviCRM you will see various comments about fixes for PHP 7 / 7.1 / 7.2 / 7.3 from around 4.7.14 onwards. Some of those are wide-ranging or critical fixes, others just affect a specific function.  So whether any particular version of Civi works under a specific version of PHP depends to some extent on which bits of Civi you are actually using.</p>
  
  <p>If your site is as simple as it sounds, I'd just crack on with upgrading both Civi &amp; PHP!</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-08-06T07:17:15.570Z
Answers.LastActivityDate: 2019-08-06T07:17:15.570Z
Answers.UserDisplayName: Aidan
Body: <p>I set up our website using Civicrm 4.7.20, MySQL 5.0.11, PHP 5.6 and Apache 2.4 some time ago; I will update (soon ISA) but want to know whether I can activate php 7 now?</p>
  
Tags: <php><compatiblity>
Title: Is Civicrm 4.7.20 compatible with PHP 7.? - only using core components and one extension, cividiscount
ThreadText: # Is Civicrm 4.7.20 compatible with PHP 7.? - only using core components and one extension, cividiscount
  
  (Asked by: username_0 on 2019-08-05)
  
  I set up our website using Civicrm 4.7.20, MySQL 5.0.11, PHP 5.6 and Apache 2.4 some time ago; I will update (soon ISA) but want to know whether I can activate php 7 now?
  
  **Tags:** php, compatiblity
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2019-08-06. Score: 1
  
  If you look at the release notes for CiviCRM you will see various comments about fixes for PHP 7 / 7.1 / 7.2 / 7.3 from around 4.7.14 onwards. Some of those are wide-ranging or critical fixes, others just affect a specific function. So whether any particular version of Civi works under a specific version of PHP depends to some extent on which bits of Civi you are actually using.
  
  If your site is as simple as it sounds, I'd just crack on with upgrading both Civi & PHP!
  
  
  ---
  
  