Adding $transformer->set($path, $value)

[killua-eu]

Hi, would it be possible to add a setter to a function to work along with the mapper?

[Daniel Opitz]

Can you provide an example?

Edit: For conceptual reasons, this transformer only reads the source array/object and only writes to the destination array/object. Writing to the source is not and will not be supported.

[killua-eu]

Writing to the source is actually not required. I'm working around with

$transformer = new ArrayTransformer();
$transformer->map('name.0.fn', 'name')
            ->map('name.0.given', 'given_name')
            ->map('name.0.family', 'family_name')
            ->map('name.0.setme', '=========', $transformer->rule()->default('use-this-value'));
$result = $transformer->toArray($claims);

instead, having the set method would just require

$transformer = new ArrayTransformer();
$transformer->map('name.0.fn', 'name')
            ->map('name.0.given', 'given_name')
            ->map('name.0.family', 'family_name')
            ->set('name.0.setme', 'use-this-value');
$result = $transformer->toArray($claims);

to achieve exactly the same result (i.e. echo $result['name'][0]['setme']; to print use-this-value).

[Daniel Opitz]

With a tiny fix it would be possible to allow a blank string as source.

Example:

$transformer->map('bar', '', $transformer->rule()->default('default-value'));

What do you think about this way?

[killua-eu]

This would be an improvement, though I'd prefer to just extend the class with the set method as a shorthand for what you suggest (or what I have used sofar). Since the class is final, I cant really do it myself.

[Daniel Opitz]

The set method has been added.