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Bug #53163 trim() don't say about warning with tidy_parse_string
Submitted: 2010-10-26 10:35 UTC Modified: 2010-10-26 10:46 UTC
From: borovoy dot anton at gmail dot com Assigned:
Status: Not a bug Package: Tidy (PECL)
PHP Version: 5.3.3 OS: Gentoo
Private report: No CVE-ID: None
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 [2010-10-26 10:35 UTC] borovoy dot anton at gmail dot com 
Description:
------------
<?php
class test { public $value = 'Hi'; }                                                                                          
$obj = new test();                                                                                                            
trim($obj);
?>
result: Warning: trim() expects parameter 1 to be string, object given

<?php
$content = file_get_contents('http://php.net');                                                                               
while ($i = 1) { trim(tidy_parse_string($content, $tidy_config, 'utf8')); }
?>
result: Fatal error: Allowed memory size of 1048576 bytes exhausted (tried to 
allocate 104 bytes)
php: tidylib.c:168: tidyDocRelease: Assertion `doc->docIn == ((void *)0)' 
failed.

I think need warning and not eat all memory
thx

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 [2010-10-26 10:46 UTC] rasmus@php.net
-Status: Open +Status: Bogus
 [2010-10-26 10:46 UTC] rasmus@php.net 
You have your memory limit set really low and you are looping infinitely over a 
tidy_parse_string call against a 50k blob of html.
This has nothing to do with trim.  You are running out of memory doing all the 
tidy stuff long before trim() is even called.
 [2010-10-26 11:00 UTC] borovoy dot anton at gmail dot com 
At first time it was: Fatal error: Allowed memory size of 1073741824 bytes 
exhausted (tried to allocate 3 bytes)

btw:
In http://php.net/manual/en/tidy.examples.basic.php we get:
<?php
$tidy = new tidy;
$tidy->parseString($html, $config, 'utf8');
$tidy->cleanRepair();
echo $tidy;
?>
If before echo() we put:
var_dump(is_object($tidy));
var_dump(is_string($tidy));

result will be:
bool(true)
bool(false)

In php.net/manual/en/function.echo.php says echo wanna string, not object
And if use $tidy->value problem resolve.

What I don't understand?
thx
 
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