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Bug #67755 Malformation HTTP GET request in array form with equal sign
Submitted: 2014-08-04 08:01 UTC Modified: 2014-08-04 08:15 UTC
From: fethi dot kus at tribal-im dot com Assigned:
Status: Not a bug Package: Streams related
PHP Version: 5.5.15 OS: Centos 6.5
Private report: No CVE-ID: None
 [2014-08-04 08:01 UTC] fethi dot kus at tribal-im dot com
Description:
------------
An HTTP GET request in array form with equal sign gives an unexpected result.



Test script:
---------------
//Http Request
#index.php?query1[=]=1

print_r($_GET);
//or
print_r(filter_input_array(INPUT_GET));

Expected result:
----------------
Array
(
    [query1] => Array
        (
            [=] => 1
        )

)

Actual result:
--------------
Array
(
    [query1_] => ]=1
)

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 [2014-08-04 08:15 UTC] requinix@php.net
-Status: Open +Status: Not a bug
 [2014-08-04 08:15 UTC] requinix@php.net
The HTTP/URL specs do not give special consideration for the [] array syntax that PHP (and a couple other languages) support. = is a reserved character and if needed for something other than its reserved purpose then it must be percent-encoded.

As for the underscore, PHP starts with "query1[" as the key and it replaces the '[' with an underscore for historical purposes.
 
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