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Oliver Davies 2015-04-19 09:42:41 +01:00
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description: 'How to define a minimum Drupal core version for your module or theme.'
type: article
---
This week, my first code patch was [committed to Drupal core](https://www.drupal.org/node/2394517#comment-9773143). The patch adds the `user_has_role()` function to theu user module, to simplify the way to check whether a user in Drupal has been assigned a specific role. This is something that I normally write a custom function for each project, but it's now available in Drupal core as of [7.36](https://www.drupal.org/drupal-7.36-release-notes).
This week, my first code patch was [committed to Drupal core](https://www.drupal.org/node/2394517#comment-9773143). The patch adds the `user_has_role()` function to the user module, to simplify the way to check whether a user in Drupal has been assigned a specific role. This is something that I normally write a custom function for each project, but it's now available in Drupal core as of [7.36](https://www.drupal.org/drupal-7.36-release-notes).
But what if someone is using a core version less than 7.36 and tries using the function? The site would return an error because that function wouldn't exist.