php - Zend Framework, getParams -> setParams -

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i'm new zend framework didn't find solution yet. problem next: have form, when submitted user goes index controller , there add action. know how can params, want do:

$clear = $this->getrequest()->getparams(); foreach ($clear $key => $value) {     $clear[$key]=trim(strip_tags($value)); } $this->setrequest()->setparams($clear);//error, argument 1 passed zend_controller_action::setrequest() must instance of zend_controller_request_abstract

so question how change in whole page params, if want anywhere access data sure safe. , possible change params index controller. in advance!

change setrequest() getrequest().

 $this->getrequest()->setparams($clear);

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