Fixes #1963, #1903, #1962 (maybe), #1964: Purge php-common package when installing different PHP version.

Author: geerlingguy

provisioning/requirements.yml

@@ -56,7 +56,7 @@
 - src: geerlingguy.php-tideways
   version: 2.2.0
 - src: geerlingguy.php-versions
-  version: 3.1.0
+  version: 3.1.1
 - src: geerlingguy.php-xdebug
   version: 2.5.1
 - src: geerlingguy.php-xhprof

provisioning/roles/geerlingguy.php-versions/tasks/setup-Debian.yml

@@ -49,3 +49,12 @@
     state: absent
     purge: true
     force: true
+  register: php_version_purge
+
+- name: Also purge php-common package if any versions were just purged.
+  apt:
+    name: php-common
+    state: absent
+    purge: true
+    force: true
+  when: php_version_purge.changed | bool