DomDocumentType->public_id
DomElement->get_attribute_node
DOM XML Funktionen
PHP Manual

# DomDocumentType->system_id

(No version information available, might be only in CVS)

DomDocumentType->system_id — Returns the system id of document type

### Beschreibung

DomDocumentType
string system_id ( void )

Returns the system id of the document type.

### Rückgabewerte

Returns the system id of the DomDocumentType, as a string.

### Beispiele

Beispiel #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();
?>`

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

    /share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd

### Migrating to PHP 5

Use the systemId property of the DOMDocumentType object.

DomDocumentType->public_id
DomElement->get_attribute_node
DOM XML Funktionen
PHP Manual