DomDocumentType->system_id()
(No version information available, might be only in CVS)
DomDocumentType->system_id() — Returns the system id of document type
说明
DomDocumentType
string system_id
( void
)
Returns the system id of the document type.
返回值
Returns the system id of the DomDocumentType, as a string.
范例
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();
?>
上例将输出：
/share/sgml/Norman_Walsh/db3xml10/db3xml10.dtd
Migrating to PHP 5
Use the systemId property of the DOMDocumentType object.
CDN