(no version information, might be only in CVS)
DomDocument->create_comment -- Create new comment node
Description
object 
DomDocument->create_comment ( string content)
     This function returns a new instance of class
     DomComment. The content of the comment is the
     value of the passed parameter. This node will not show up in the
     document unless it is inserted with e.g.
     domnode_append_child().
    
     The return value is FALSE if an error occurred.
    
     See also domnode_append_child(),
              domdocument_create_element(),
              domdocument_create_text(),
              domdocument_create_attribute(),
              domdocument_create_processing_instruction(),
              domdocument_create_entity_reference() and
              domnode_insert_before().