Introspection Functions Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Which version of PHP support get_declared_classes ( ) function?

1. PHP3.0.0
2. PHP4.0.0
3. PHP5.0.1
4. PHP6

MCQ 2: For finding the data in the object is valid and consistent across the instance which function is used?

1. __sleep ( )
2. __wakeup ( )
3. __test ( )
4. selfTest ( )

MCQ 3: get_class ( ) function returns the name of class from where

1. A function belongs to
2. An object belongs to
3. A constructor belongs to
4. All of them

MCQ 4: Which function returns TRUE if the string argument is the name of a class?

1. get_class ( )
2. exist_class ( )
3. class_exists
4. None of them

MCQ 5: If everything is fine in the object the selftest ( ) function returns what?

1. TRUE
2. FALSE
3. Diagnostic string
4. Noting