DomDocumentType->public_id()

Returns public id of document type ()

DomDocumentType {
  string public_id();
}

This function returns the public id of the document type.

返回值

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

范例

The following example echos nothing.

例 500. Retrieving the public id

<?php
include("example.inc");

if (!
$dom = domxml_open_mem($xmlstr)) {
 echo
"Error while parsing the document\n";
 exit;
}

$doctype = $dom->doctype();
echo
$doctype->public_id();
?>

Migrating to PHP 5

Use the publicId property of the DOMDocumentType object.