DomDocumentType->system_id
    (no version information, might be only in CVS)
DomDocumentType->system_id -- 
     Returns the system id of document type
    
Description
string 
DomDocumentType->system_id ( void  )
     Returns the system id of the document type.
    
     
| Example 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();
 ?>
 | 
 The above example will output: | /share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd | 
 |