Params and special chars in variables

[piwko28]

Hi. I'm working on the admin panel placed on the webside.
Standard CMSMS form..:

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$this->smarty->assign('startform', $this->CreateFormStart($id, 'example_action', $returnid, 'post', 'multipart/form-data'));

and some inputs, simplest:

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$smarty->assign('example', $this->CreateInputText($id, 'example', $params['example'], 40, 200));

I'm trying to send something like this:
(just brackets)
Unfortunately, var_dump from $params['example'] prints: <>
But var_dump from $_POST['cntnt01example'] prints brackets correctly.
Similar action on standard admin panel works fine. Why it has happend?

[NaN]

Use html_entity_decode($params['example']).

[piwko28]

Works, thanks
But why it make a difference I work on admin panel or not?