add php-pear, set default timezone utc

tasks/php-fpm.yml

@@ -26,6 +26,7 @@
     - php-pdo-mysql
     - php-apcu
     - php-bcmath
+    - php-pear
   notify:
   - restart nginx
   - restart php-fpm

templates/php-fpm/php.ini.j2

@@ -285,7 +285,10 @@ unserialize_callback_func =
 ; When floats & doubles are serialized store serialize_precision significant
 ; digits after the floating point. The default value ensures that when floats
 ; are decoded with unserialize, the data will remain the same.
-serialize_precision = 17
+; The value is also used for json_encode when encoding double values.
+; If -1 is used, then dtoa mode 0 is used which automatically select the best
+; precision.
+serialize_precision = -1
 
 ; open_basedir, if set, limits all file operations to the defined directory
 ; and below.  This directive makes most sense if used in a per-directory
@@ -922,7 +925,7 @@ cli_server.color = On
 [Date]
 ; Defines the default timezone used by the date functions
 ; http://php.net/date.timezone
-;date.timezone =
+date.timezone = "UTC"
 
 ; http://php.net/date.default-latitude
 ;date.default_latitude = 31.7667