/usr/local/lib/php.ini

เอา exec ออกเพื่อเรียก testsystem ได้

disable_functions = exec,ini_restore,system, shell_exec, passthru, pcntl_exec,proc_close, proc_get_status, proc_nice, proc_open, proc_terminate, po
pen,  pclose,ini_alter, virtual, openlog, escapeshellcmd popen pipe fork dup2

disable_functions = ini_restore,system, shell_exec, passthru, pcntl_exec,proc_close, proc_get_status, proc_nice, proc_open, proc_terminate, po
pen,  pclose,ini_alter, virtual, openlog, escapeshellcmd popen pipe fork dup2