PHP parse POST data

Question

As you know PHP replaces dots and spaces from $_POST and $_GET keys with _.

Example:

<input name="foo bar" />

becomes $_POST['foo_bar'] after sent to server instead of $_POST['foo bar'].

Could you point me to a script that can handle this correctly even with arrays with depth (name="fo.o[bar][12][]")? Replacing . before sending the form with a character(s) is not an option since post is coming from an external non editable source.

Solution should handle raw post data.

Just don't use spaces and dots ... HTML can be manipulated even the source is external — Ivan Yonkov
– Ivan Yonkov, Commented Jul 12, 2013 at 9:48

Flosculus · Accepted Answer · 2013-07-12 09:58:48Z

1

This isn't an algorithmic solution to your problem, but it will solve your problem.

There are libraries out there designed to make processing request data more simple. One of them is the Request class from Symfony: http://api.symfony.com/2.0/Symfony/Component/HttpFoundation/Request.html

It wraps ParameterBag, so it is very easy to get data: http://api.symfony.com/2.3/Symfony/Component/HttpFoundation/ParameterBag.html

Basic usage is:

use Symfony\Component\HttpFoundation\Request;

$request = Request::createFromGlobals();
echo $request->get('parameter_name');

It handles multi-dimensional parameters as well.

You can read more about it at: http://symfony.com/doc/current/components/http_foundation/introduction.html

answered Jul 12, 2013 at 9:58

Flosculus

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