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Doc Bug #51906 document that dns_get_record returns empty string on error
Submitted: 2010-05-25 18:18 UTC Modified: 2010-05-27 02:41 UTC
From: ksenzee at gmail dot com Assigned: degeberg (profile)
Status: Closed Package: Documentation problem
PHP Version: Irrelevant OS:
Private report: No CVE-ID: None
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 [2010-05-25 18:18 UTC] ksenzee at gmail dot com 
Description:
------------
The documentation for dns_get_record says the return value is an array of associative arrays. It should also point out that if there is no DNS record for the domain being queried, it returns an empty string.

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 [2010-05-27 01:52 UTC] degeberg@php.net
-Status: Open +Status: Feedback -Type: Bug +Type: Documentation Problem
 [2010-05-27 01:52 UTC] degeberg@php.net 
I can't reproduce that. Could you give a script that results in that behavior along with the version of PHP you're using?

daniel@daniel-laptop:~$ cat test.php
<?php
var_dump(dns_get_record('fooaskljdalskdj.com'));
?>
daniel@daniel-laptop:~$ php -nv; php -n test.php
PHP 5.3.3-dev (cli) (built: May 23 2010 12:30:56) 
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
array(0) {
}
daniel@daniel-laptop:~$ src/php-5.2.13/sapi/cli/php test.php
array(0) {
}
 [2010-05-27 02:31 UTC] ksenzee at gmail dot com 
Hm. I misread my log, so I was too hasty in my original report. What I should have said is that on *error*, dns_get_record returns FALSE and triggers a warning:

Warning: dns_get_record() [function.dns-get-record]: res_nsend() failed in ...

I can't provide a test script that reliably makes dns_get_record() error out. I'm assuming it depends on network conditions and the like.
 [2010-05-27 02:40 UTC] degeberg@php.net 
Automatic comment from SVN on behalf of degeberg
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=299837
Log: Fixed PHP bug #51906, dns_get_record() returns false on failure.
 [2010-05-27 02:41 UTC] degeberg@php.net
-Status: Feedback +Status: Closed -Assigned To: +Assigned To: degeberg
 [2010-05-27 02:41 UTC] degeberg@php.net 
Ah, that makes more sense. It's been fixed now and should show up in the manual in a few days. Thanks for the report.
 
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