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  1. <?php
  2. function test($str){
  3.         $len = strlen($str);
  4.  
  5.         for ($i=0; $i < $len; $i += 2){
  6.             $str[$i] = mb_strtoupper($str[$i], "utf-8");
  7.         }
  8.         echo $str;
  9.     }
  10. test("To be or not to be");
  11. ?>
Success #stdin #stdout 0.01s 20568KB
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To bE Or nOt tO Be
https://ideone.com/3rY8J0
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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