MCQOPTIONS
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MCQOPTIONS
This section includes 78 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Bdadd ( ), bcsub ( ), bcmult ( ), bcdiv ( ), bcmod ( ), bcpow all these functions belongs to |
| A. | Base conversion functions |
| B. | Trigonometric function |
| C. | Arbitrary precision function |
| D. | Exponential function |
| Answer» D. Exponential function | |
| 52. |
$multi_array [1] [2] [3] [4] = "I am working on PHP"; will create |
| A. | One dimensional array |
| B. | 5 dimensional array |
| C. | 4 dimensional array |
| D. | None of them |
| Answer» D. None of them | |
| 53. |
A function that takes two integers as arguments and returns an array filled with all integers between them, is known as |
| A. | Range ( ) function |
| B. | Value ( ) function |
| C. | Limit ( ) function |
| D. | None of them |
| Answer» B. Value ( ) function | |
| 54. |
To rewind pointer at beginning of list |
| A. | The reset ( ) function is used |
| B. | The rewind ( ) function is used |
| C. | The set ( ) function is used |
| D. | None of them |
| Answer» B. The rewind ( ) function is used | |
| 55. |
Which one from followings is not a trigonometric function |
| A. | sin( ) |
| B. | atan ( ) |
| C. | Tan ( ) |
| D. | pow ( ) |
| Answer» E. | |
| 56. |
End ( ) function jumps pointer |
| A. | To the last entry in the list |
| B. | To the first entry in the list |
| C. | To one step back |
| D. | To one step forward |
| Answer» B. To the first entry in the list | |
| 57. |
Array_merge ( ) function merges |
| A. | Two arrays |
| B. | Three arrays |
| C. | More than three |
| D. | Merges array with a string |
| Answer» B. Three arrays | |
| 58. |
For changing array with random numbers which function we can use? |
| A. | reverse ( ) function |
| B. | random ( ) |
| C. | array_random_number ( ) |
| D. | shuffle ( ) |
| Answer» E. | |
| 59. |
Creating a new array from specification of its elements and associated keys, is known as |
| A. | Direct assignment |
| B. | Array ( ) construct |
| C. | Specifying indices |
| D. | All of them |
| Answer» C. Specifying indices | |
| 60. |
Multidimensional arrays are simple arrays that have |
| A. | One dimensional |
| B. | Many arrays stored in them |
| C. | No indexes |
| D. | 1 element |
| Answer» C. No indexes | |
| 61. |
You cannot alter an array while you are iterating your array through |
| A. | array_walk ( ) function |
| B. | each ( ) function |
| C. | next ( ) function |
| D. | end ( ) function |
| Answer» B. each ( ) function | |
| 62. |
User defined functions or may be built-in functions that's make an array via methods internal to PHP is called as |
| A. | Assignment arrays |
| B. | Construct arrays |
| C. | Functions returning arrays |
| D. | All of them |
| Answer» D. All of them | |
| 63. |
Prev ( ) function is used for |
| A. | To rewind the pointer at the beginning |
| B. | To move the pointer back by one |
| C. | To move the pointer at the end |
| D. | All of them |
| Answer» C. To move the pointer at the end | |
| 64. |
For finding nonempty elements in array we use |
| A. | is_array ( ) function |
| B. | sizeof ( ) function |
| C. | array_count ( ) function |
| D. | count ( ) function |
| Answer» E. | |
| 65. |
Array_pad ( ) takes three arguments, one of them is |
| A. | An input array |
| B. | A pad size |
| C. | Value to pad with |
| D. | All of them |
| Answer» E. | |
| 66. |
Queues are similar to stacks but |
| A. | It works on FIFO principle |
| B. | It works on LIFO principle |
| C. | It works on FILO principle |
| D. | None of them |
| Answer» B. It works on LIFO principle | |
| 67. |
A function that takes an array and returns a new array, where old values are changed with new keys? |
| A. | array_keys ( ) |
| B. | array_values ( ) |
| C. | array_count_values |
| D. | None of them |
| Answer» D. None of them | |
| 68. |
Baseconvert ( ) function converts a |
| A. | String argument into floats |
| B. | String argument into numbers |
| C. | String argument into boolean |
| D. | String argument into arrays |
| Answer» C. String argument into boolean | |
| 69. |
Shuffle ( ) function operates directly on its array arguments and changes it, that's why it is called |
| A. | Constructive Function |
| B. | Destructive function |
| C. | Array changing function |
| D. | None of them |
| Answer» C. Array changing function | |
| 70. |
Array_flip ( ) function changes keys of an array into |
| A. | Integers |
| B. | Characters |
| C. | Boolean |
| D. | Values |
| Answer» E. | |
| 71. |
For changing arrays into strings, which function is used? |
| A. | exp ( ) |
| B. | explode ( ) |
| C. | implode ( ) |
| D. | imp ( ) |
| Answer» D. imp ( ) | |
| 72. |
Compact ( ) function is used to create an array from |
| A. | Variables |
| B. | Values |
| C. | Functions |
| D. | Both a and b |
| Answer» E. | |
| 73. |
What does explode ( ) function do? |
| A. | Converts a string into integers |
| B. | Converts a string into arrays |
| C. | Finds the length of array |
| D. | Finds the length of string |
| Answer» C. Finds the length of array | |
| 74. |
Functions that returns a new array without disturbing their old arguments might be called as |
| A. | Destructive function |
| B. | Constructive function |
| C. | Nondestructive function |
| D. | Both a and c |
| Answer» E. | |
| 75. |
Which of them is an abstract data structure (ADT)? |
| A. | Stacks |
| B. | Functions |
| C. | Queues |
| D. | Both a and c |
| Answer» E. | |
| 76. |
How many functions are used by PHP to convert between arrays and variables? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 77. |
Array_splice function is same as array_slice but it starts taking arguments from |
| A. | First argument |
| B. | Second argument |
| C. | Third argument |
| D. | Fourth argument |
| Answer» E. | |
| 78. |
LIFO stands for |
| A. | List of Outputs |
| B. | Last in First Out |
| C. | First in Last Out |
| D. | None of them |
| Answer» D. None of them | |