views_handler_area::init in core/modules/views/handlers/views_handler_area.inc
Overrides views_handler::init().
views_handler_argument::init in core/modules/views/handlers/views_handler_argument.inc
init the handler with necessary data.
views_handler_field::init in core/modules/views/handlers/views_handler_field.inc
init the handler with necessary data.
views_handler_filter::init in core/modules/views/handlers/views_handler_filter.inc
Provide some extra help to get the operator/value easier to use.
views_handler_relationship::init in core/modules/views/handlers/views_handler_relationship.inc
Init handler to let relationships live on tables other than the table they operate on.
views_handler_sort_group_by_numeric::init in core/modules/views/handlers/views_handler_sort_group_by_numeric.inc
init the handler with necessary data.