Why one?

Question

Wht it was s 1
https://code.sololearn.com/wHR0dBKrYt0V/?ref=app

Answer 1

When the parameter is neither an array nor an object with implemented Countable interface, 1 will be returned.
https://www.php.net/manual/en/function.count.php#refsect1-function.count-returnvalues

Answer 2

So "count" count elements in array only, if it is not array it display 1?