append
append_by_ref
assign
assign_by_ref
assign_config
clear_assign
clear_all_assign
clear_config
get_template_vars
get_config_vars
clear_compiled_tpl
clear_cache
clear_all_cache
is_cached
register_modifier
unregister_modifier
register_function
unregister_function
register_block
unregister_block
register_compiler_function
unregister_compiler_function
template_exists
display
fetch
config_load
load_filter
trigger_error