- upper aka
up - lower aka
low - date_format
- date
- truncate
- escape aka
e - unescape
- strip
- length
- in
- allowed functions:
json_encode,json_decode,count,is_string,is_array,is_numeric,is_int,is_object,strtotime,gettype,is_double,ip2long,long2ip,strip_tags,nl2br - or add yours
- var
- if,
elseifandelse - foreach,
foreaelse,breakandcontinue - for,
forelse,breakandcontinue - switch,
case,default - cycle
- include,
insert - extends,
use,blockandparent - filter
- ignore
- macro and
import - autoescape
- raw
- or add yours