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  1. <?php
  2. echo str_replace("", "k", "abc"), "\n";
  3. echo str_replace("", "k", ""), "\n";
  4. ?>
  5.  
Success #stdin #stdout 0.03s 25312KB
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Standard input is empty
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abc
https://ideone.com/s1Hol2
language:
PHP (php 7.3.5)
created:
75 days ago
visibility:
secret

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