fork download
copy 
  1. <?php
  2. $s = readline();
  3. $words = preg_split('/\s+/', trim($s));
  4. $f = false;
  5.  
  6. foreach ($words as $w) {
  7.     if (mb_strlen($w) >= 2) {
  8.         $char1 = mb_substr($w, 0, 1);
  9.         $char2 = mb_substr($w, 1, 1);
  10.  
  11.         if ($char1 === $char2) {
  12.             echo $w . "\n";
  13.             $f = true;
  14.         }
  15.     }
  16. }
  17.  
  18. if (!$f) {
  19.     echo "L1 = true";
  20. }
  21. ?>
  22.  
  23.  
Success #stdin #stdout 0.02s 26228KB
comments (?)
stdin
copy 
незрівнянна туманна тиша огорнула сонну долину
stdout
copy 
L1 = true
https://ideone.com/2QmSb7
language:
PHP (php 7.3.5)
created:
2 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!