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

Programming Exercises

Create a PHP script to merge two associative arrays and resolve key conflicts.

Medium

Problem Statement

Create a PHP script to merge two associative arrays and resolve key conflicts.

Sample Input

['a' => 1] + ['a' => 2, 'b' => 3]

Sample Output

{"a":2,"b":3}

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function mergeArrays($arr1, $arr2) { // Your code here } ?>
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Input
['a' => 1] + ['a' => 2, 'b' => 3]
Expected Output
{"a":2,"b":3}