Getting error when using PHP 8.1:
TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in subfields_field_widget_validate()
sites/all/modules/subfields/subfields.module line 538
To Resolve this error:
sites/all/modules/subfields/subfields.module line 538
Change this:
$is_empty_multiple = (!count($elements['#value']));
To:
$is_empty_multiple = (!count((array)$elements['#value']));
Needs review
1.1
Code