PHP STRING AND OPERATORS

1. 1. In PHP constants are defined by using _____ function.

• define()

• DEFINE()

• _define()

2. 2. Which operator is used to concatenate two strings in PHP

• &&

• .

3. 3. ___ escape sequence is used to insert new line in PHP.

4. 4. The ____ is a string function which is used to convert any string to lowercase.

5. 5. The ____ is a string function used to reverse a string in PHP.

• strrev()

• Strev()

• strreverse()

6.Compound assignment operator are also known as ____ assignment operator.

7. 7. ___ operator is introduced in PHP7 and used to compare values of two variables but not their data types.

• <==>

• <-->

• <=>

8. 8. The ___ operator checks the equality between the values of two arrays including their order, index and data types.

9. 9. The conditional operator is also known as ____ operator.

10. 10. In PHP7 ____ operator has been introduced to overcome the drawback of conditional operator.

• Non-identity

• Identity

• Null Coalescing