ReflectionClass::is*() return value documentation is misleading #4601
Description
From manual page: https://php.net/reflectionclass.isinstantiable
But false doesn't mean a failure, and true doesn't mean a success - these values indicate if the class is instantiable or not, not whether the check succeeds
Affects
- https://www.php.net/manual/en/reflectionclass.innamespace.php
- https://www.php.net/manual/en/reflectionclass.isabstract.php
- https://www.php.net/manual/en/reflectionclass.isanonymous.php
- https://www.php.net/manual/en/reflectionclass.isfinal.php
- https://www.php.net/manual/en/reflectionclass.isinstance.php
- https://www.php.net/manual/en/reflectionclass.isinstantiable.php
- https://www.php.net/manual/en/reflectionclass.isinterface.php
- https://www.php.net/manual/en/reflectionclass.isinternal.php
- https://www.php.net/manual/en/reflectionclass.isiterable.php
- https://www.php.net/manual/en/reflectionclass.issubclassof.php
For each of these, the documentation should be updated to something along the lines of