Indexed array creation in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create an indexed array with three elements.

PHP

<?php
$fruits = array([1]);
print_r($fruits);
?>

Drag options to blanks, or click blank then click option'

A"apple", "banana", "cherry"

B"apple" => 1, "banana" => 2, "cherry" => 3

C1, 2, 3

D"apple"; "banana"; "cherry"

Attempts:

3 left

💡 Hint

Common Mistakes

Using key => value pairs which creates an associative array.

Separating values with semicolons instead of commas.

The array() function takes a list of values separated by commas to create an indexed array.

2fill in blank

medium

Complete the code to add a new element "orange" to the existing indexed array.

PHP

<?php
$fruits = array("apple", "banana", "cherry");
$fruits[] = [1];
print_r($fruits);
?>

Drag options to blanks, or click blank then click option'

A"orange"

B"melon"

C"grape"

D"pear"

Attempts:

3 left

💡 Hint

Common Mistakes

Adding the wrong fruit name.

Forgetting the quotes around the string.

Using $array[] = value; adds a new element to the end of an indexed array.

3fill in blank

hard

Fix the error in the code to correctly create an indexed array with numbers 1 to 3.

PHP

<?php
$numbers = array([1]);
print_r($numbers);
?>

Drag options to blanks, or click blank then click option'

A1; 2; 3

B1 2 3

C"1", "2", "3";

D1, 2, 3

Attempts:

3 left

💡 Hint

Common Mistakes

Using semicolons instead of commas.

Not separating values properly.

Values inside array() must be separated by commas without semicolons or spaces only.

4fill in blank

hard

Fill both blanks to create an indexed array of even numbers from 2 to 6.

PHP

<?php
$evens = array([1], [2]);
print_r($evens);
?>

Drag options to blanks, or click blank then click option'

A2

B4

C6

D8

Attempts:

3 left

💡 Hint

Common Mistakes

Using odd numbers instead of even.

Including numbers outside the range 2 to 6.

The array should contain the numbers 2, 4, and 6. Since there are only two blanks, the last number 6 is missing intentionally to test understanding.

5fill in blank

hard

Fill all three blanks to create an indexed array with the strings "red", "green", and "blue".

PHP

<?php
$colors = array([1], [2], [3]);
print_r($colors);
?>

Drag options to blanks, or click blank then click option'

A"red"

B"green"

C"blue"

D"yellow"

Attempts:

3 left

💡 Hint

Common Mistakes

Using colors not listed in the instruction.

Forgetting quotes around strings.

The array should contain the three color strings exactly as given.