--- a/php7/ext/session/session.c	2018-05-11 09:54:20.657792427 +0300

+++ b/php7/ext/session/session.c	2018-05-11 09:55:01.597441053 +0300

@@ -790,7 +790,7 @@

 /* {{{ PHP_INI

  */

 PHP_INI_BEGIN()

-	STD_PHP_INI_ENTRY("session.save_path",          "",          PHP_INI_ALL, OnUpdateSaveDir,       save_path,          php_ps_globals,    ps_globals)

+	STD_PHP_INI_ENTRY("session.save_path",          "/tmp",          PHP_INI_ALL, OnUpdateSaveDir,       save_path,          php_ps_globals,    ps_globals)

 	STD_PHP_INI_ENTRY("session.name",               "PHPSESSID", PHP_INI_ALL, OnUpdateName,          session_name,       php_ps_globals,    ps_globals)

 	PHP_INI_ENTRY("session.save_handler",           "files",     PHP_INI_ALL, OnUpdateSaveHandler)

 	STD_PHP_INI_BOOLEAN("session.auto_start",       "0",         PHP_INI_PERDIR, OnUpdateBool,       auto_start,         php_ps_globals,    ps_globals)