Removed unnecessary method renderResponseLine() on line 463 to 471, suggest using method renderStatusLine() on line 227 to 241 instead. I have also updated the toString() method, in the first line of the function from $str = $this->renderResponseLine() to $str-> = $this->renderStatusLine(), I also suggest changing from "\r\n" to PHP_EOL. Updates will be needed in Zend\Http\PhpEnvironment\Response to. Go look for comment on that aswell. 
Removed unnecessary method renderResponseLine() on line 463 to 471, suggest using method renderStatusLine() on line 227 to 241 instead. I have also updated the toString() method, in the first line of the function from $str = $this->renderResponseLine() to $str-> = $this->renderStatusLine(), I also suggest changing from "\r\n" to PHP_EOL. Updates will be needed in Zend\Http\PhpEnvironment\Response to. Go look for comment on that aswell. 
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