PHP Multidimensional Arrays Multiple Choice Questions 1 PDF Book Download

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MCQs on PHP Multidimensional Arrays Test 1 PDF Book Download

MCQ: In multidimensional arrays rather than a single key they values are stored in

  1. Sequence of key values
  2. 2 keys
  3. linear style
  4. None of them


MCQ: For finding nonempty elements in array we use

  1. is_array ( ) function
  2. sizeof ( ) function
  3. array_count ( ) function
  4. count ( ) function


MCQ: Pos ( ) function is an alias for

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


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

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


MCQ: Indices of arrays can be either strings or numbers and they are denoted as

  1. $my_array {4}
  2. $my_array [4]
  3. $my_array| 4 |
  4. None of them