Associates a list of boolean values with key under group_name. If key cannot be found then it is created. If group_name is NULL, the start_group is used. Since 2.6
a group name
a key
an array of boolean values. [array length=length]
See Implementation
Associates a list of boolean values with key under group_name. If key cannot be found then it is created. If group_name is NULL, the start_group is used. Since 2.6