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Empty values for headers are skipped #4287

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tobiastom opened this issue May 31, 2017 · 1 comment
Closed

Empty values for headers are skipped #4287

tobiastom opened this issue May 31, 2017 · 1 comment

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@tobiastom
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@tobiastom tobiastom commented May 31, 2017

What are you trying to achieve?

I'm trying to set a DNT header to the value of 0, as it is described in the specification:

$I->haveHttpHeader('DNT', '0');

What do you get instead?

The DNT header is not set to the server as it is skipped.

Details

The problem is in this line of code:

if (!$val) {
continue;
}
.

The string value 0 is evaluated as false and will not be send.
A possible solution would be to check if the value is a string, and if it is use it anyway. I could create a pull request for this, if it is an acceptable fix for you.

@Naktibalda
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@Naktibalda Naktibalda commented May 31, 2017

To behave in the same way as set_cookie function that condition should be if($val === null || $val === '') { continue; }
https://github.com/php/php-src/blob/430eea84b84a8c9d733a38cafaa32d494cadf13b/ext/standard/head.c#L127

Please make a pull request.

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