Array sort functions in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to sort the array in ascending order.

PHP

<?php
$numbers = [4, 2, 8, 6];
[1]($numbers);
print_r($numbers);
?>

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

Arsort

Bsort

Casort

Dksort

Attempts:

3 left

💡 Hint

Common Mistakes

Using rsort which sorts in descending order.

Using ksort which sorts by keys, not values.

The sort function sorts the array in ascending order by values and reindexes the keys.

2fill in blank

medium

Complete the code to sort the array in descending order.

PHP

<?php
$letters = ['a', 'd', 'b', 'c'];
[1]($letters);
print_r($letters);
?>

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

Arsort

Bsort

Casort

Dksort

Attempts:

3 left

💡 Hint

Common Mistakes

Using sort which sorts in ascending order.

Using ksort which sorts by keys.

The rsort function sorts the array in descending order by values and reindexes the keys.

3fill in blank

hard

Fix the error in the code to sort the array by keys in ascending order.

PHP

<?php
$ages = ['John' => 25, 'Jane' => 22, 'Doe' => 30];
[1]($ages);
print_r($ages);
?>

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

Aksort

Brsort

Csort

Dasort

Attempts:

3 left

💡 Hint

Common Mistakes

Using sort or asort which sort by values.

Using rsort which sorts in descending order.

The ksort function sorts the array by keys in ascending order.

4fill in blank

hard

Fill both blanks to sort the array by values in ascending order while preserving keys.

PHP

<?php
$scores = ['Alice' => 85, 'Bob' => 92, 'Charlie' => 78];
[1]($scores);
print_r($scores);
?>

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

Aarsort

Bksort

Casort

Drsort

Attempts:

3 left

💡 Hint

Common Mistakes

Using sort which reindexes keys.

Using ksort which sorts by keys.

The asort function sorts the array by values in ascending order and preserves the keys.

5fill in blank

hard

Fill all three blanks to sort the array by values in descending order while preserving keys.

PHP

<?php
$grades = ['Math' => 90, 'Science' => 85, 'English' => 88];
[1]($grades);
print_r($grades);
?>

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

Aasort

Brsort

Cksort

Darsort

Attempts:

3 left

💡 Hint

Common Mistakes

Using rsort which does not preserve keys.

Using ksort which sorts by keys.

The arsort function sorts the array by values in descending order and preserves the keys.