Set dynamic value with custom plugin

[Labella]

Good morning I’m new Quform user, not so expert with php, trying to populate my fields dynamically
I have a stupid problem with the return field in the add_filter function.

It works if I use a fixed string or number:

 while($row = $result->fetch_array()) {
	add_filter('quform_element_value_'.$row['id_iscrizione'], function ($value) {
    	return '250';
	});
}

but it doesn’t work with a variable, like:

while($row = $result->fetch_array()) {
	add_filter('quform_element_value_'.$row['id_iscrizione'], function ($value) {
    	return $row['prezzo'];
	});
}

I know that the array contains valid values, simply testing with php file:

while($row = $result->fetch_array()) {
	echo $row['id_iscrizione']." | ";
    echo $row['prezzo']."<br>";
}

I have this results:

Suono | 250
Protools | 200
Producer | 300
Arrangiamento | 300
Mixaggio | 200
Elettronica1 | 150
Elettronica2 | 300
Tecnico-Live | 250
Logic | 200

What did I did wrong?

[Ally]

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[Labella]

Thank you, it works!

[Author]

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