public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies, Evaluate\Parameters $params)
{
//evaluate key here
if (!isset($params->{'key'})) {
$chunk->setError('Key parameter required');
}
$key = $params->{'key'};
//just eval body with some special state
return $chunk->render($bodies->block, $context->pushState(new Evaluate\State((object) ['__selectInfo' => (object) ['selectComparisonSatisfied' => false, 'key' => $key]])));
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies)
{
$result = $context->get('key');
if ($result === NULL) {
$chunk->setError('Key required');
}
$method = $context->get('method');
if ($method === NULL) {
$chunk->setError('Method required');
}
$operand = $context->get('operand');
switch ($method) {
case 'add':
$result += $operand;
break;
case 'subtract':
$result -= $operand;
break;
case 'multiply':
$result *= $operand;
break;
case 'divide':
$result /= $operand;
break;
case 'mod':
$result %= $operand;
break;
case 'abs':
$result = abs($result);
break;
case 'floor':
$result = floor($result);
break;
case 'ceil':
$result = ceil($result);
break;
default:
$chunk->setError('Unknown method: ' . $method);
}
//no bodies means just write
if ($bodies == NULL || $bodies->block == NULL) {
return $chunk->write($result);
} else {
//just eval body with some special state
return $chunk->render($bodies->block, $context->pushState(new Evaluate\State((object) ['__selectInfo' => (object) ['selectComparisonSatisfied' => false, 'key' => $result]])));
}
}
