Disable opcache API

By setting non existing path as restrict_api.

Fixes #65

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

etc/php.ini

@@ -1856,7 +1856,7 @@ opcache.save_comments=0
 
 ; Allows calling OPcache API functions only from PHP scripts which path is
 ; started from specified string. The default "" means no restriction
-;opcache.restrict_api=
+opcache.restrict_api=/disabled/
 
 ; Mapping base of shared memory segments (for Windows only). All the PHP
 ; processes have to map shared memory into the same address space. This