Method Parser.XML.Validating()->get_external_entity()
- Method get_external_entity
 stringget_external_entity(stringsysid,string|voidpubid,mapping|voidinfo,mixed...extra)- Description
 Get an external entity.
Called when a <!DOCTYPE> with a SYSTEM identifier is encountered, or when an entity reference needs expanding.
- Parameter 
sysid The SYSTEM identifier.
- Parameter 
pubid The PUBLIC identifier (if any).
- Parameter 
info The callbackinfo mapping containing the current parser state.
- Parameter 
extra The extra arguments as passed to parse() or parse_dtd().
- Returns
 Returns a string with a DTD fragment on success. Returns
0(zero) on failure.- Note
 Returning zero will cause the validator to report an error.
- Note
 In Pike 7.7 and earlier
infohad the value0(zero).- Note
 The default implementation always returns
0(zero). Override this function to provide other behaviour.- See also