Question

PHP Programming

What is an array?

Select one:

a. a variable that stores multiple values

b. a constant that stores a list of items

c. a list that is stored in multiple variables

d. an index of values

Which of the following is the correct syntax for creating an array?

Select one:

a.

$basket = array(“Watermelon”, “Orange”, “Grape”)

b.

$basket = array(Watermelon, Orange, Grape);

c.

$basket = array($“Watermelon”, $“Orange”, $“Grape”);

d.

$basket = array(“Watermelon”, “Orange”, “Grape”);

What types of items can be stored in arrays?

Select one:

a. integers

b. strings

c. boolean (true/false)

d. all the above

Which of the following accesses the array item by offset?

$myFriends =array("Adam", "Theo", "Adrian");

Select one:

a.

$myFriends[2};

b.

$myFriends[2]

c.

$myFriends{2};

d.

$myFriends{2}

Which of the following outputs the second item in the array $designs?

Select one:

a.

echo $designs[1];

b.

echo $designs{“2”};

c.

echo $designs[2];

d.

echo $designs{2};

From the following php scripting block, what will be displayed in the browser:

<?php
$array[0] = “mall”;
$array[1] = “Kate”;
$array[2] = 9;
$array[3] = “brother”;
$array[4] = “cup cakes”;
$array[5] = “store”;
$array[6] = “Linda”;

echo “$array[1] went to the $array[0] to buy $array[2] $array[4] for her $array[3].”;
?>

Select one:

a. Linda went to the mall to buy 9 cup cakes for her brother.

b. Kate went to the store to buy 9 cup cakes for her brother.

c. Linda went to the store to buy 9 cup cakes for her brother.

d. Kate went to the mall to buy 9 cup cakes for her brother.

The join() function is synonymous with the implode() function.

Select one:

True

False

The list() function only works on arrays numerically indexed starting at 0.

Select one:

True

False

In the following example the numeric index is automatically assigned?

<?php
$toys = array(“Truck”,”Boat”,”Doll”);
?>

Select one:

True

False

Using the print_r() or var_dump() function, you can view an entire multidimensional array.

Select one:

True

False

Answer 1

Solution:

• What is an array :-
  • a. a variable that stores multiple values
• Which of the following is the correct syntax for creating an array?

  • d. $basket = array(“Watermelon”, “Orange”, “Grape”);

• What types of items can be stored in arrays?

  • d. all the above

• Which of the following accesses the array item by offset?

  • b. $myFriends[2] --should have semicolon

• Which of the following outputs the second item in the array $designs?

  • a. echo $designs[1]; -- array index starts from 0

• From the following php scripting block, what will be displayed in the browser:

  • d. Kate went to the mall to buy 9 cup cakes for her brother.

• The join() function is synonymous with the implode() function.

  • true

• The list() function only works on arrays numerically indexed starting at 0.

  • true

• In the following example the numeric index is automatically assigned?

  <?php
  $toys = array(“Truck”,”Boat”,”Doll”);
  ?>

  • true

• Using the print_r() or var_dump() function, you can view an entire multidimensional array.

  • true