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  1. <?php
  2. function isPalindrome($str) {
  3.     return $str === strrev($str);
  4. }
  5.  
  6. // Test the function
  7. $string = "radar";
  8. if (isPalindrome($string)) {
  9.     echo "$string is a palindrome.";
  10. } else {
  11.     echo "$string is not a palindrome.";
  12. }
  13. ?>
  14.  
Success #stdin #stdout 0.03s 25816KB
comments (?)
stdin 
Standard input is empty
stdout 
radar is a palindrome.
https://ideone.com/yv3p8k
language:
PHP (php 7.3.5)
created:
15 days ago
visibility:
public

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