/**
* 2016-08-27
* @param object $caller
* @param array(string => mixed) $p
* @return string
*/
private static function _sign($caller, array $p)
{
/** @var string $type */
$type = df_trim_text_left(df_caller_f(), 'sign');
/** @var self $i */
$i = df_create(df_con($caller, df_cc_class('Signer', $type), df_con($caller, 'Signer')), $p);
$i->_caller = $caller;
return $i->sign();
}
/**
* 2015-12-16
* @return Size
*/
private function _size()
{
/** @var string $key */
$key = df_caller_f();
if (!isset($this->{__METHOD__}[$key])) {
$this->{__METHOD__}[$key] = new Size($this[$key]);
}
return $this->{__METHOD__}[$key];
}
/**
* 2016-11-12
* @param string|null $key [optional]
* @param null|string|int|S|Store $s [optional]
* @param mixed|callable $default [optional]
* @uses p()
* @return mixed
*/
protected function testableP($key = null, $s = null, $default = null)
{
return $this->testableGeneric($key ?: df_caller_f(), 'p', $s, $default);
}
/**
* 2016-09-06
* @used-by \Df\Payment\Method::cFromBase()
* @used-by \Df\Payment\Method::cFromOrder()
* @used-by \Df\Payment\Method::cToBase()
* @used-by \Df\Payment\Method::cToOrder()
* @param float $amount
* @return float
*/
private function convert($amount)
{
return call_user_func([$this->s(), df_caller_f()], $amount, $this->o());
}
/**
* 2016-07-18
* @param string|null $key [optional]
* @return Response|string|null
*/
private function response($key = null)
{
/** @var string $f */
$f = dfa(['L' => 'df_last', 'F' => 'df_first'], substr(df_caller_f(), -1));
if (!isset($this->{__METHOD__}[$f])) {
$this->{__METHOD__}[$f] = df_n_set(call_user_func($f, $this->responses()));
}
/** @var Response|null $r */
$r = df_n_get($this->{__METHOD__}[$f]);
return !$r || is_null($key) ? $r : $r[$key];
}
/**
* 2015-12-16
* @param string|null $key [optional]
* @param null|string|int|S|Store $s [optional]
* @return mixed[]
*/
private function json($key = null, $s = null)
{
return df_nta(@df_json_decode($this->v($key ?: df_caller_f(), $s)));
}
/**
* 2016-08-10
* @param callable $f
* @param mixed|null $d [optional]
* @param string|null $key [optional]
* @return mixed
*/
private function filter(callable $f, $d = null, $key = null)
{
return dfc($this, function ($f, $d, $key) {
return call_user_func($f, $this->v($d, $key));
}, [$f, $d, $key ?: df_caller_f(1)]);
}
/**
* 2016-08-27
* @param string|null $key [optional]
* @return mixed
*/
private function cv($key = null)
{
return $this[$this->c($key ?: df_caller_f())];
}