Hello,
I understand that the idea of the RFC is about some behaviors of
empty(), e.g.:
```php $var = ''; var_dump(empty($var)); // true $var= [];
var_dump(empty($var)); // true $var= 0; var_dump(empty($var)); // true
var_dump(empty($empty)); // true $var= true; var_dump(empty($var)); //
false, $varis defined and has value $str = false; var_dump(empty($var));
// true, $varis defined and has value ```
According to the manual: “determine whether a variable is empty”.
However, according to my example, the variable is defined and has its
value as 0 or false, and empty() returns true anyway. I confess that
I've had some problems like this, and we chose not to use empty(), as
sometimes 0 or false makes sense as a valid value.
Also, having is_empty() would be nice, but keeping it empty, otherwise
there would be a huge break.
Maybe think of a strict empty() mode? Even so, it would change behavior.
Sorry if I didn't understand the discussion correctly.
