Updated php configuration

Author: Anton Shevchuk

application/configs/default/php.php

@@ -6,6 +6,4 @@
  * @link http://php.net/manual/en/configuration.changes.modes.php
  * @return array
  */
-return [
-    'session.cache_expire' => '180', // 180 is default value
-];
+return [];

application/configs/production/php.php

@@ -0,0 +1,11 @@
+<?php
+/**
+ * PHP configuration
+ *
+ * @link http://php.net/manual/en/session.configuration.php
+ * @link http://php.net/manual/en/configuration.changes.modes.php
+ * @return array
+ */
+return [
+    'session.cache_expire' => '180', // 180 is default value
+];