(no version information, might be only in CVS)
Returns the system id of the document type.
Returns the system id of the DomDocumentType, as a string.
例子 1. Retrieving the system id
<?phpinclude("example.inc");if (!$dom = domxml_open_mem($xmlstr)) { echo "Error while parsing the document\n"; exit;}$doctype = $dom->doctype();echo $doctype->system_id();?>
上例将输出:
/share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd
Use the systemId property of the DOMDocumentType object.