   #PHP Manual DOM XML functions DomDocumentType->public_id
   DomElement->get_attribute_node

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                          DomDocumentType->system_id

   (no version information, might be only in CVS)
   DomDocumentType->system_id --  Returns system id of document type

Description

   string DomDocumentType->system_id ( void )

   Returns the system id of the document type.

   The following example echos
   '/share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd'.

   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();
   ?>
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