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Bug #69074 array_filter do not clearing empty items.
Submitted: 2015-02-18 17:05 UTC Modified: 2015-03-01 04:22 UTC
From: oleg dot briareos17 at gmail dot com Assigned:
Status: No Feedback Package: Arrays related
PHP Version: 5.4.37 OS: Windows 8.1 (Open Server)
Private report: No CVE-ID: None
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 [2015-02-18 17:05 UTC] oleg dot briareos17 at gmail dot com
$report['errors']['linkedin'][] = CLinkedinApiHelper::api()->postToGroup('',$article['title'], $description, $content);


when function return's nothing, array creating new item $report['errors']['linkedin'][0] => null, but array_filter do not react on it, it is only react when function return null directly.

Test script:
$report['errors']['linkedin'][] = CLinkedinApiHelper::api()->postToGroup('',$article['title'], $description, $content);
//part of helper function:

if ($data['linkedin']) {
 $xml = simplexml_load_string($data['linkedin']);

 if (isset($xml->{'error-code'})) {
 $message = sprintf($xml->message);
 return $message;

return null; //if remove this, array_filter do not see new "NULL" array item


Expected result:
array(0) {}

Actual result:
array(1) {


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 [2015-02-18 19:32 UTC]
-Status: Open +Status: Feedback
 [2015-02-18 19:32 UTC]
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

And in case the problem is you misunderstanding how array_filter() works,
array_filter() returns a new array. It does not modify the one passed.
 [2015-03-01 04:22 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
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