Fixed issue: #3812 Insufficient validation of PHP version selector.

Till Brehm

2016-03-29 e1b4cacb8d66891ce11dd4203bd92aa265fffcde

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;