public function dyEvaluateExpressionFilter($expression, $chain) {
return $chain->dyEvaluateExpressionFilter(str_replace('foo', 'bar', $expression)); //example
}
to be executed when evaluateExpression is called. All attached behaviors are notified through
dyEvaluateExpressionFilter. The chaining is important in this function due to the filtering
pass-through effect. | public evaluateExpression ( $expression ) : mixed | ||
| Результат | mixed | the expression result |
public function evaluateExpression($expression)
{
$expression = $this->dyEvaluateExpressionFilter($expression);
try {
if (eval("\$result={$expression};") === false) {
throw new \Exception('');
}
return $result;
} catch (\Exception $e) {
throw new TInvalidOperationException('component_expression_invalid', get_class($this), $expression, $e->getMessage());
}
}