[PHP-BUG] Bug #65172 [NEW]: SimpleXMLElement::children() incorrect behavior
From: scruoge at gmail dot com
Operating system: Windows
PHP version: 5.3.26
Package: SimpleXML related
Bug Type: Bug
Bug description:SimpleXMLElement::children() incorrect behavior
Description:
XPath, selecting attribute returns SimpleXMLElement, which's children()
method returns NULL.
Probably it's a documentation issue. It says
"Returns a SimpleXMLElement element, whether the node has children or
not."
Test script:
---
nodeContents';
$xml = new SimpleXMLElement($s);
$xpathres = $xml->xpath('childNode/@attr');
$xres = array_shift($xpathres);
$xres = array_shift($xml->xpath('childNode/@attr'));
echo '$xres->children() result: ';
var_dump($xres->children());
echo 'typecast result: ';
var_dump((string) $xres);
Expected result:
$xres->children() result: object(SimpleXMLElement)#2 (0) {
}
typecast result: string(7) "attrval"
Actual result:
--
$xres->children() result: NULL
typecast result: string(7) "attrval"
--
Edit bug report at https://bugs.php.net/bug.php?id=65172&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=65172&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=65172&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=65172&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=65172&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=65172&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=65172&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=65172&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=65172&r=oldversion
Not developer issue:https://bugs.php.net/fix.php?id=65172&r=support
Expected behavior: https://bugs.php.net/fix.php?id=65172&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=65172&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=65172&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=65172&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65172&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=65172&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=65172&r=isapi
Install GNU Sed:https://bugs.php.net/fix.php?id=65172&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65172&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=65172&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=65172&r=mysqlcfg
Bug #65172 [Opn]: SimpleXMLElement::children() incorrect behavior
Edit report at https://bugs.php.net/bug.php?id=65172&edit=1
ID: 65172
User updated by:scruoge at gmail dot com
Reported by:scruoge at gmail dot com
Summary:SimpleXMLElement::children() incorrect behavior
Status: Open
Type: Bug
Package:SimpleXML related
Operating System: Windows
PHP Version:5.3.26
Block user comment: N
Private report: N
New Comment:
There's extra string in the code that should be removed:
(line 6) $xres = array_shift($xml->xpath('childNode/@attr'));
It does not affect test script result, though it generates E_STRICT notice.
Previous Comments:
[2013-07-01 07:54:26] scruoge at gmail dot com
Description:
XPath, selecting attribute returns SimpleXMLElement, which's children() method
returns NULL.
Probably it's a documentation issue. It says
"Returns a SimpleXMLElement element, whether the node has children or not."
Test script:
---
nodeContents';
$xml = new SimpleXMLElement($s);
$xpathres = $xml->xpath('childNode/@attr');
$xres = array_shift($xpathres);
$xres = array_shift($xml->xpath('childNode/@attr'));
echo '$xres->children() result: ';
var_dump($xres->children());
echo 'typecast result: ';
var_dump((string) $xres);
Expected result:
$xres->children() result: object(SimpleXMLElement)#2 (0) {
}
typecast result: string(7) "attrval"
Actual result:
--
$xres->children() result: NULL
typecast result: string(7) "attrval"
--
Edit this bug report at https://bugs.php.net/bug.php?id=65172&edit=1
Bug #65172 [Opn]: SimpleXMLElement::children() incorrect behavior
Edit report at https://bugs.php.net/bug.php?id=65172&edit=1
ID: 65172
User updated by:scruoge at gmail dot com
Reported by:scruoge at gmail dot com
Summary:SimpleXMLElement::children() incorrect behavior
Status: Open
Type: Bug
Package:SimpleXML related
-Operating System: Windows
+Operating System: Windows & Linux
PHP Version:5.3.26
Block user comment: N
Private report: N
New Comment:
The bug is also reproducible in Linux environment.
Previous Comments:
[2013-07-01 07:58:40] scruoge at gmail dot com
There's extra string in the code that should be removed:
(line 6) $xres = array_shift($xml->xpath('childNode/@attr'));
It does not affect test script result, though it generates E_STRICT notice.
----
[2013-07-01 07:54:26] scruoge at gmail dot com
Description:
XPath, selecting attribute returns SimpleXMLElement, which's children() method
returns NULL.
Probably it's a documentation issue. It says
"Returns a SimpleXMLElement element, whether the node has children or not."
Test script:
---
nodeContents';
$xml = new SimpleXMLElement($s);
$xpathres = $xml->xpath('childNode/@attr');
$xres = array_shift($xpathres);
$xres = array_shift($xml->xpath('childNode/@attr'));
echo '$xres->children() result: ';
var_dump($xres->children());
echo 'typecast result: ';
var_dump((string) $xres);
Expected result:
$xres->children() result: object(SimpleXMLElement)#2 (0) {
}
typecast result: string(7) "attrval"
Actual result:
--
$xres->children() result: NULL
typecast result: string(7) "attrval"
--
Edit this bug report at https://bugs.php.net/bug.php?id=65172&edit=1
Bug #65172 [Opn]: SimpleXMLElement::children() incorrect behavior
Edit report at https://bugs.php.net/bug.php?id=65172&edit=1
ID: 65172
User updated by:scruoge at gmail dot com
Reported by:scruoge at gmail dot com
Summary:SimpleXMLElement::children() incorrect behavior
Status: Open
Type: Bug
Package:SimpleXML related
Operating System: Windows & Linux
PHP Version:5.3.26
Block user comment: N
Private report: N
New Comment:
Yes, I agree.
As I suspected it's a documentation problem.
Previous Comments:
[2013-07-19 19:07:15] mail+php at requinix dot net
...Attributes can't have children.
If you mean the difference between returning an empty SimpleXMLElement object
versus returning null, I can see that as a doc bug: Return Values for
children()
should say
"Returns NULL if called on a SimpleXMLElement object that represents an
attribute
and not a tag."
as it does for attributes().
----
[2013-07-01 09:27:51] scruoge at gmail dot com
The bug is also reproducible in Linux environment.
----
[2013-07-01 07:58:40] scruoge at gmail dot com
There's extra string in the code that should be removed:
(line 6) $xres = array_shift($xml->xpath('childNode/@attr'));
It does not affect test script result, though it generates E_STRICT notice.
----------------
[2013-07-01 07:54:26] scruoge at gmail dot com
Description:
XPath, selecting attribute returns SimpleXMLElement, which's children() method
returns NULL.
Probably it's a documentation issue. It says
"Returns a SimpleXMLElement element, whether the node has children or not."
Test script:
---
nodeContents';
$xml = new SimpleXMLElement($s);
$xpathres = $xml->xpath('childNode/@attr');
$xres = array_shift($xpathres);
$xres = array_shift($xml->xpath('childNode/@attr'));
echo '$xres->children() result: ';
var_dump($xres->children());
echo 'typecast result: ';
var_dump((string) $xres);
Expected result:
$xres->children() result: object(SimpleXMLElement)#2 (0) {
}
typecast result: string(7) "attrval"
Actual result:
--
$xres->children() result: NULL
typecast result: string(7) "attrval"
--
Edit this bug report at https://bugs.php.net/bug.php?id=65172&edit=1
#45922 [Com]: data is not transmitted throught pipes created by proc_open
ID: 45922
Comment by: scruoge at gmail dot com
Reported By: TorokAlpar at Gmail dot com
Status: Open
Bug Type: Streams related
Operating System: Windows Xp
PHP Version: 5.2CVS-2008-08-27
New Comment:
PHP Version 5.2.6, Apache/2.0.63 Handler
Linux hostname 2.6.18-53.el5 #1 SMP Mon Nov 12 02:22:48 EST 2007 i686
I have exactly same bug. Script just silently dies.
here is the code:
array("pipe", "r"),
1 => array("pipe", "w"),
2 => array("file", "/home/user/error-output.txt", "a")
);
$process = proc_open('/usr/local/bin/client', $desc, $pipes);
if (is_resource($process)) {
fwrite($pipes[0], $line);
fclose($pipes[0]);
$line = '';
while (($s = fgets($pipes[1], 1000)) !== false)
{
$s = trim($s, "\r\n");
$line.= $s;
if(strpos($s, '') !== false) break;
}
fclose($pipes[1]);
$return_value = proc_close($process);
}
$line = trim($line, "\r\n");
return $line;
}
echo test1('asdfasdf')."\n";
?>
Previous Comments:
[2008-08-27 08:56:20] TorokAlpar at Gmail dot com
I have tried with the latest snapshot, the result is the same
[2008-08-26 14:31:43] TorokAlpar at Gmail dot com
Description:
After starting a program (Written in C) with proc_open the pipes
opened seem to be invalid. It looks like no data is transmitted over to
the childs stdin, On a read the script blocks.
Please bear with me, this is my firs bug report, and i am debugging
this for 7 hours now.
here are my modules:
[PHP Modules]
bcmath
calendar
com_dotnet
ctype
date
dom
domxml
exif
filter
ftp
gd
gettext
hash
iconv
imap
json
libxml
mbstring
mcrypt
mime_magic
ming
mssql
mysql
mysqli
odbc
paradox
pcre
pdf
PDO
pdo_mssql
pdo_mysql
ps
Reflection
session
SimpleXML
soap
sockets
SPL
SQLite
standard
tokenizer
wddx
xdebug
xml
xmlreader
xmlrpc
xmlwriter
xsl
zip
zlib
[Zend Modules]
Xdebug
Note tha i also tried without Xdebug
Reproduce code:
---
$aDescriptorspec = array(
0 => array("pipe", "r"), // stdin is a pipe that
the child will read from
1 => array("pipe", "w"), // stdout is a pipe that
the child will write to
2 => array("pipe", "w") // stderr is a file to
write to
);
$aOptions = array('bypass_shell' => true); // doesn't
influence the behavior
$rProcess = proc_open('F:\\checkpe-debug2.exe validpe',
$aDescriptorspec, $aPipes, null,null, $aOptions);
// $aPipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
if (! is_resource($rProcess)) {
// stream_set_write_buffer($aPipes[0], 0);
//fputs($aPipes[0],$sPath."\n",strlen($sPath)+1);
fwrite($aPipes[0],$sPath."\n");
//fflush($aPipes[0]);
sleep(1);
$sResponse = fread($aPipes[1],2);
var_dump($sResponse);
}
/*
NOTE : Commented lines don't influence the result if they are not
commented
The executable does work right, tested on the command line
If you swap the executable with a php script that does the same
thing (reads in file paths separated with \n and writes 2 character
responses) everything functions as expected
*/
Expected result:
var_dump the 2 characters read from the output of the child
Actual result:
--
Script hangs , hang caused by the lien that reads:
$sResponse = fread($aPipes[1],2);
--
Edit this bug report at http://bugs.php.net/?id=45922&edit=1
