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Bug #49161 Got null upon the MessageFormatter() class instantiation with empty pattern.
Submitted: 2009-08-05 00:29 UTC Modified: 2015-06-16 11:37 UTC
From: maximgb at yandex dot ru Assigned: stas (profile)
Status: Closed Package: *Languages/Translation
PHP Version: 5.*, 6 (2009-08-05) OS: *
Private report: No CVE-ID: None
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 [2009-08-05 00:29 UTC] maximgb at yandex dot ru
I've tryed to create the MessageFormatter class, from intl extension, 
passing an empty string for the constructor's second argument and I was 
pretty surprised to get NULL instead of object instance :)

Reproduce code:
$f = new MessageFormatter(Locale::getDefault(), '');
var_dump($f, is_object($f));

$f = MessageFormatter::create(Locale::getDefault(), '');
var_dump($f, is_object($f));

Expected result:
object(MessageFormatter)#1 (0) {
object(MessageFormatter)#2 (0) {

Actual result:


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 [2009-08-05 07:48 UTC]
Apparently you must pass it at least 1 char pattern. Empty string isn't one. Not sure if this is intentional, Stas?
 [2009-08-10 17:20 UTC]
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at and the instructions on how to report
a bug at

ICU considers empty patterns to be invalid, so we do so too. 
 [2009-08-10 17:21 UTC]
BTW, you can use intl_get_error_message() to see what's wrong.
 [2009-08-10 18:40 UTC] maximgb at yandex dot ru
That's of course for you to decide, but as for me getting NULL as new 
operator result is a bug.
 [2015-06-16 11:37 UTC]
-Status: Not a bug +Status: Closed
 [2015-06-16 11:37 UTC]
This is fixed in PHP 7.
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