data_seek([$n = 0])

robot()

repeater($data[, $num = 1])

last_query()

tempdata([$key = NULL])

set_template($template)

img([$src = ''[, $index_page = FALSE[, $attributes = '']]])

Developers often desire different system behavior depending on whether an application is running in a development or production environment. For example, verbose error output

insert_string($table, $data)

empty_table([$table = ''])