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MCQs on Iterations PDF Book Download

MCQ: Pos ( ) function is an alias for

  1. array_walk ( ) function
  2. each ( ) function
  3. next ( ) function
  4. current ( ) function

D

MCQ: Pointing before moving current pointer ahead is a behavior of

  1. next ( ) function
  2. prev ( ) function
  3. end ( ) function
  4. each ( ) function

D

MCQ: End ( ) function jumps pointer

  1. To the last entry in the list
  2. To the first entry in the list
  3. To one step back
  4. To one step forward

A

MCQ: To rewind pointer at beginning of list

  1. The reset ( ) function is used
  2. The rewind ( ) function is used
  3. The set ( ) function is used
  4. None of them

A

MCQ: Which function takes two arguments, an array to be traversed and name of a function to apply to each key/value pair?

  1. array_walk ( ) function
  2. each ( ) function
  3. next ( ) function
  4. end ( ) function

A