Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- o -

• offset() : CI_DB_active_record
• open_tag() : XML_RPC_Message
• optimize_database() : CI_DB_utility
• optimize_table() : CI_DB_utility
• or_having() : CI_DB_active_record
• or_like() : CI_DB_active_record
• or_not_like() : CI_DB_active_record
• or_where() : CI_DB_active_record
• or_where_in() : CI_DB_active_record
• or_where_not_in() : CI_DB_active_record
• order_by() : CI_DB_active_record
• output() : CI_Javascript
• overlay_watermark() : CI_Image_lib