Exercises

Which of the following are not valid variables:
- a) $blah
- b) $f11
- c) $_11f
- d) $11f
- e) None of the above
What will $foo be set to in this expression: $foo = "wombat" * 2?
What will $bar be set to in this expression: $bar = 5 * 5 + 5?
What does the =< operator do?
How does OR differ from || ?
The superglobal array variables are accessible...
- a) Only outside functions
- b) Only inside functions
- c) Anywhere except in classes
- d) Anywhere, as long as they are defined GLOBAL
- e) None of the above

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