We now use php 7

apache2-wordpress.conf

@@ -19,7 +19,7 @@
    <Directory /app/code/wp-content>
         DirectoryIndex Off
         AllowOverride None
-        <IfModule mod_php5.c>
+        <IfModule mod_php7.c>
             php_admin_flag engine off
         </IfModule>
     </Directory>