public function getString($name, $default = null, $hash = 'input')
	{
		$result = $this->getVar($name, $default, $hash);
		$result = is_array($result) ? implode('', $result) : $result;
		return (string) $result;
	}
public function getString($name, $default = null, $hash = 'input')
	{
		$result = $this->getVar($name, $default, $hash);
		$result = is_array($result) ? implode('', $result) : $result;
		return (string) $result;
	}
public function getString ( $ name , $ default = null , $ hash = 'input' ) { $ result = $ this -> getVar ( $ name , $ default , $ hash ) ; $ result = is_array ( $ result ) ? implode ( '' , $ result ) : $ result ; return ( string ) $ result ; }
Fetches and returns a given variable as a string.

@param   string  $key      Request key
@param   mixed   $default  Default value
@param   string  $hash     Where the var should come from (POST, GET, FILES, COOKIE, METHOD)
@return  string  Request variable
Fetches and returns a given variable as a string .