The DOMDocumentType class
Each DOMDocument has a doctype attribute whose value is either null or a DOMDocumentType object.
Intro
Each DOMDocument has a doctype attribute whose value is either null or a DOMDocumentType object.
Class synopsis
Properties
publicIdThe public identifier of the external subset.
systemIdThe system identifier of the external subset. This may be an absolute URI or not.
nameThe name of DTD; i.e., the name immediately following the
DOCTYPEkeyword.entitiesA
DOMNamedNodeMapcontaining the general entities, both external and internal, declared in the DTD.notationsA
DOMNamedNodeMapcontaining the notations declared in the DTD.internalSubsetThe internal subset as a string, or null if there is none. This does not contain the delimiting square brackets.