Php programming language MCQ : Arrays: Link1

Arrays MCQ

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Q.1. Array values are keyed by ------ values (called indexed arrays) or using ------ values (called associative arrays).

A. Positive number, negative number                                                              B. Even number, string
C. String, Boolean                                                       D. Integer, string

Q.2. What will the following script output?

A. 32                                                              B. 18
C. Null                                                       D. 0

Q.3. There are three different kind of arrays---------.

A. A) Numeric array, String array, Multidimensional array
B. Numeric array, Associative array, Dimensional array
C. Numeric array, Associative array, Multidimensional array
D. Const array, Associative array, Multidimensional array

Q.4. By default, the index of array in php starts from -----.

A. 0
B. 1
C. -1
D. 2

Q.5. Which of the following are correct ways of creating an array?
i) arr[0] = "totalmcq.com";
ii) $arr[] = array("totalmcq.com");
iii) $arr[0] = "totalmcq.com";
iv) $arr = array("totalmcq.com");

A. ii), iii) and iv)
B. ii) and iii)
C. Only i)
D. iii) and iv)

Q.6. Which function returns an array consisting of associative key/value pairs?

A. count()
B. array_count()
C. array_count_values()
D. count_values()

Q.7. Which function can be used to move the pointer to the previous array position?

A. last()
B. before()
C. previous()
D. prev()

Q.8. Which in-built function will add a value to the end of an array?

A. array_unshift()
B. into_array()
C. inend_array()
D. array_push()

Q.9. Which of the following PHP function will return true if a variable is an array or false if it is not an array?

A. this_array()
B. is_array()
C. do_array()
D. in_array()

Q.10. What will be the output of the following PHP code?

A. 6                                                                                B. 5
C. 3                                                                             D. 4