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  1. <?PHP 
  2.  
  3. function palindrome($number){
  4.       $value = (string) $number;
  5.       $reverse_value = strrev($value);
  6.  
  7.       if($value == $reverse_value){
  8.          echo " $number is a palindrome";
  9.       }else{
  10.           echo "$number is not a palindrome";
  11.       }
  12. }
  13.  
  14. $number = 90209;
  15.  
  16.  
  17. palindrome($number);
  18.  
  19. $number = 4005;
  20.  
  21. palindrome($number);
  22.  
  23. $number = 20444444402;
  24.  
  25. palindrome($number);
  26.  
  27. ?>
Success #stdin #stdout 0.01s 13112KB
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 90209 is a palindrome4005 is not a palindrome 20444444402 is a palindrome
https://ideone.com/4bI0O
language:
PHP (php 7.3.5)
created:
14 years ago
visibility:
public

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