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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. function checkRefrigerator($str) {
  6. 	return "anton" == preg_replace('/[^anton]/', "", strtolower($str)) ? true : false;
  7. }
  8.  
  9. $str = "1247bkla-i3k21mkn213l.rt213;r[oqn";
  10.  
  11. echo checkRefrigerator($str) ? "BROKEN" : "IT'S OK";
  12.  
Success #stdin #stdout 0.02s 25900KB
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stdout
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BROKEN
https://ideone.com/LAp5sP
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
secret

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