http_build_query(array()) returns NULL, not empty string

Bug #40009	http_build_query(array()) returns NULL, not empty string
Submitted:	2007-01-03 11:24 UTC	Modified:	2007-01-03 23:17 UTC
From:	bugs dot php dot net at chsc dot dk	Assigned:
Status:	Closed	Package:	URL related
PHP Version:	5.2.0	OS:	Windows
Private report:	No	CVE-ID:	None

[2007-01-03 11:24 UTC] bugs dot php dot net at chsc dot dk

Description:
------------
http_build_query(array()) returns NULL. According to the documentation, the return type of http_build_query is string.

This can be considered a documentation problem, but I think it would be better to change the function so that it always returns a string.

Reproduce code:
---------------
./php.exe -r "echo gettype(http_build_query(array()));"



Expected result:
----------------
string


Actual result:
--------------
NULL

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[2007-01-03 23:17 UTC] iliaa@php.net

This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.