Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Create a PHP script to remove duplicate elements from an array.

Medium

Problem Statement

Create a PHP script to remove duplicate elements from an array.

Sample Input

[1, 2, 2, 3, 4, 4]

Sample Output

[1,2,3,4]

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function removeDuplicates($arr) { // Your code here } ?>
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Input
[1, 2, 2, 3, 4, 4]
Expected Output
[1,2,3,4]