If this is a false-positive, you can also ignore this issue in your code via the ignore-call annotation
30
$this->stack->/** @scrutinizer ignore-call */
31
toArray();
This check looks for calls to methods that do not seem to exist on a given type.
It looks for the method on the type itself as well as in inherited classes or
implemented interfaces.
This is most likely a typographical error or the method has been renamed.
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.