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# DomDocumentType->public_id

(no version information, might be only in CVS)

DomDocumentType->public_id -- Returns public id of document type

## Description

string DomDocumentType->public_id ( void)

This function returns the public id of the document type.

The following example echos nothing.

Example 1. 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();
    ?>

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