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  1. <?php
  2.  
  3. function RemoveDuplicates($str)
  4. {
  5.     return array_unique(str_split($str));
  6. }
  7.  
  8. (count(RemoveDuplicates(rtrim(fgets(STDIN), "\r\n"))) % 2 == 0)
  9.     ? print_r("CHAT WITH HER!")
  10.     : print_r("IGNORE HIM!");
  11.  
  12. ?>
  13.  
Success #stdin #stdout 0.02s 13112KB
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CHAT WITH HER!
https://ideone.com/WbaPHY
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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