PHP Quiz on Data Types, Constants and Variables

1. What is Scalar Types?

Scalar type holds a single type of data.

Scalar type holds a multiple type of data.

None of the above

2. Which of the following is a correct answer?

Scalar types(Integer, Float, Boolean, Strings)

Compound types(Array, Object)

Special types(Resource, null)

All of the above

3. Compound data type holds ......

Multiple items of a different type in a single variable

Single item in a single variable

None of the above

4. Which of the following is a special data type?

Integer

Float

Array

Resource

5. Which of the following is a Compound data type?

Boolean

Strings

Object

Resource

6. Which of the following is a Scalar data type?

Float

Array

Object

Resource

7. The name of the constant can be redefined?

Yes

No

8. Variables can be reused after declaring?

Yes

No

9. $var and $VAR are two different variables?

Yes

No

10. Which of the following is not correct rules for naming of the PHP variables?

$var

$Var

$4ab

$_abc

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