使用参数定义约束的最佳方法

Question

I tried to use parameters in annotations, but it didn't work

e.g. in object constraints:

...
use Symfony\Component\Validator\Constraints as Assert;

class SomeObj {

    /**
     * @Assert\File(maxSize="%max_filesize%")
     */
    private $file;

    ...

}

in parameters.yml

parameters:
    ...
    max_filesize: 5M

I got ConstraintDefinitionException('"%max_filesize%" is not a valid maximum size').

I believe I have to drop using annotation format and try some other (YAML?). Or extend FileConstraint with new class and somehow set $maxFilesize there from parameters. What'are the other solutions to this problem and which one is the best?

Answer 1

You should use {{ size }} instead of %max_filesize%.

See the doc reference.