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

Programming Exercises

Write a PHP script to find the longest palindrome substring in a given string.

Medium

Problem Statement

Write a PHP script to find the longest palindrome substring in a given string.

Sample Input

babad

Sample Output

bab

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function longestPalindrome($str) { // Your code here } ?>
Log in or sign up to run or submit your code.Log inSign up
Input
babad
Expected Output
bab