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

Programming Exercises

Create a PHP script to count the frequency of each word in a string.

Medium

Problem Statement

Create a PHP script to count the frequency of each word in a string.

Sample Input

"hello world hello"

Sample Output

{"hello":2,"world":1}

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function wordFrequency($str) { // Your code here } ?>
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Input
"hello world hello"
Expected Output
{"hello":2,"world":1}