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Subject: http_build_query unexpected/bad behaviour
From: jochem@iamjochem.com (Jochem Maas)

I came accross behaviour in http_build_query() which was thoroughly 
unexpected.

first a little background:
I am using http_build_query() which is turning out to be very useful for 
  putting together 'complex' URL 'pieces' (which are then again combined 
to form complete URLs - bare in mind that some of these pieces are 
passed along to javascripts so using http_build_query() once to form a 
complete URL query is not an option).

the issue is that the array $y below results in an empty string:

$x = array('e' => array('kf' => ''));
$y = array('e' => array('kf' => array()));

echo '\''. http_build_query($x). "'\n";
echo '\''. http_build_query($y) . "'\n";

running on: PHP 5.0.0RC3-dev (cli) (built: Jun  1 2004 18:04:30) (DEBUG)
----
would anybody care to comment as to whether this is what is intended?

kind regards,

Jochem Maas