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MCQs on Transformation of Arrays PDF Book Download

MCQ: What does explode ( ) function do?

  1. Converts a string into integers
  2. Converts a string into arrays
  3. Finds the length of array
  4. Finds the length of string

B

MCQ: Functions that returns a new array without disturbing their old arguments might be called as

  1. Destructive function
  2. Constructive function
  3. Nondestructive function
  4. Both A and C

D

MCQ: For changing arrays into strings, which function is used?

  1. exp ( )
  2. explode ( )
  3. implode ( )
  4. imp ( )

C

MCQ: Array_flip ( ) function changes keys of an array into

  1. Integers
  2. Characters
  3. Boolean
  4. Values

D

MCQ: Shuffle ( ) function operates directly on its array arguments and changes it, that's why it is called

  1. Constructive Function
  2. Destructive function
  3. Array changing function
  4. None of them

B