Symfony form uppercase all fields values

Question

I have a symfony formbuilder, which is the best way to uppercase all data on forma submit? Should i use addModelTransformer ? https://symfony.com/doc/current/form/data_transformers.html

Answer 1

Alright, if you need uppercase string all data.

public function setVariable($variable)
{
    $this->variable = strtoupper($variable);

    return $this;
}