root@middleware:/var/www/stalker_portal/server/tasks# php ./update_course.php
PHP Fatal error:  Uncaught exception 'ClassNotExistException' with message 'Class file for "Mysql" not found' in /var/www/stalker_portal/server/lib/splclassloader.class.php:151
Stack trace:
#0 [internal function]: SplClassLoader->loadClass('Mysql')
#1 /var/www/stalker_portal/server/lib/coursecbr.class.php(17): spl_autoload_call('Mysql')
#2 /var/www/stalker_portal/server/tasks/update_course.php(12): CourseCbr->__construct()
#3 {main}
  thrown in /var/www/stalker_portal/server/lib/splclassloader.class.php on line 151

Fatal error: Uncaught exception 'ClassNotExistException' with message 'Class file for "Mysql" not found' in /var/www/stalker_portal/server/lib/splclassloader.class.php on line 151

ClassNotExistException: Class file for "Mysql" not found in /var/www/stalker_portal/server/lib/splclassloader.class.php on line 151

Call Stack:
    0.0001     221240   1. {main}() /var/www/stalker_portal/server/tasks/update_course.php:0
    3.2453    1108752   2. CourseCbr->__construct() /var/www/stalker_portal/server/tasks/update_course.php:12
    3.2453    1109000   3. spl_autoload_call() /var/www/stalker_portal/server/tasks/update_course.php:17
    3.2453    1109032   4. SplClassLoader->loadClass() /var/www/stalker_portal/server/tasks/update_course.php:0