Bug #7133 Updated: xml_set_object() should not copy the object
| From: | cox@php.net | Date: | Sat, 22 Jun 2002 11:54:10 +0000 |
| Subject: | Bug #7133 Updated: xml_set_object() should not copy the object | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-11775@lists.php.net to get a copy of this message | ||
ID: 7133
Updated by: cox@php.net
Reported By: mookid@sigent.ru
-Status: No Feedback
+Status: Bogus
Bug Type: XML related
Operating System: irrelevant
PHP Version: 4.0.2
New Comment:
It's a must to create the object by reference:
$parser = &new MyParser();
Tomas V.V.Cox
Previous Comments:
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[2002-01-27 05:20:02] sander@php.net
No feedback.
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[2002-01-06 09:10:20] mfischer@php.net
Does this still apply to 4.1.1?
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[2000-10-11 07:49:48] mookid@sigent.ru
Playing with XML_Parser, I was discouraged by the fact that
xml_set_object() actually copies an object even if it's been passed by
reference. This is a PITA when you want tag handlers to store parsed
data
into object's properties and use these properties afterwards. You have
to
assign references to these propeties in order to access values out of
handler context. Here's an example script:
<?php
require_once('XML/Parser.php');
$global_accum = '';
class MyParser extends XML_Parser {
var $accum;
var $ref_accum;
function MyParser()
{
global $global_accum;
$this->ref_accum = &$global_accum;
$this->XML_Parser('ISO-8859-1');
}
function startHandler($parser, $tag, $attrs)
{
$this->accum .= "<$tag>";
$this->ref_accum .= "<$tag>";
}
function endHandler($parser, $tag)
{
$this->accum .= "</$tag>";
$this->ref_accum .= "</$tag>";
}
}
header('Content-Type: text/plain');
$parser = new MyParser();
$data = <<<EOD
<?xml version="1.0"?>
<!DOCTYPE foo SYSTEM "/dtd/foo.dtd">
<foo>
<bar/>
</foo>
EOD;
$err = $parser->parseString($data, TRUE);
if (PEAR::isError($err)) {
die($err->getMessage());
}
echo "accum: ", $parser->accum, "\n";
echo "ref_accum: ", $parser->ref_accum, "\n";
?>
This produces:
accum:
ref_accum: <FOO><BAR></BAR></FOO>
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Edit this bug report at http://bugs.php.net/?id=7133&edit=1