Php programming language MCQ : Arrays: Link2
Arrays MCQ
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Q.1. For finding nonempty elements in array we use--------
A. is_array ( ) function
B. sizeof ( ) function
C. array_count ( ) function D. count ( ) function
Q.2. Pos ( ) function is an alias for---------
A. array_walk ( ) function
B. each ( ) function
C. next ( ) function D. current ( ) function
Q.3. Indices of arrays can be either strings or numbers and they are denoted as-------.
A. $my_array {4}
B. $my_array [4]
C. $my_array| 4 |
D. None of the above
Q.4. To retrieve a value from an array we can use its -----.
A. Name
B. Location
C. Index
D. None of the above
Q.5. 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
Q.6. To rewind pointer at beginning of list------ function is used.
A. rewind ( )
B. reset ( )
C. set ( )
D. None of the above
Q.7. Which function takes two arguments, an array to be traversed and name of a function to apply to each key/value pair?
A. array_walk ( ) function
B. each ( ) function
C. next ( ) function
D. end ( ) function
Q.8. Internal linked keys in an array can be retrievable by-----.
A. pointer ( ) function
B. each ( ) function
C. key ( ) function
D. None of the above
Q.9. Current ( ) function is a -------array argument.
A. 2
B. 3
C. 1
D. None of the above
Q.10. 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 the above