(PHP 4 >= 4.1.0)
DomDocumentType->system_id — Returns the system id of document type
Returns the system id of the DomDocumentType, as a string.
Example #1 Retrieving the system id
<?php
include("example.inc");
if (!$dom = domxml_open_mem($xmlstr)) {
echo "Error while parsing the document\n";
exit;
}
$doctype = $dom->doctype();
echo $doctype->system_id();
?>
위 예제의 출력:
/share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd
Use the systemId property of the DOMDocumentType object.