___ occurs when discrete parts of a system’s code are tightly bound up with one another so that a change in one part necessitates changes in the others.

The extent to which proximate procedures are related to one another is known as…

Placing a static method for generating ___ objects in the ___ class is convenient.

Which class accepts a class name or an object reference and returns an array of interface name?

Object-oriented code tries to minimize dependencies by moving responsibility for handling tasks away from ___ and toward the objects in the system.

Which one of the following function should I use to find the parent class of a class?

What will be the output if a protected method is given as argument to the function method_exist()?

If you call a method and it doesn’t exist it’ll cause a problem. To check the method which function will you use?

PHP 4 did not support instanceof. Instead, which function did it provide?

You use the get_class_methods() function to return the names of all the methods in the class. Which function will you use to print it on the screen?