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  1. <?php
  2. 	$expected = array();
  3.  
  4. 	$mask = 210;
  5. 	$binary = strrev(decbin($mask));
  6.  
  7. 	for ($i = 0; $i < strlen($binary); $i++)
  8. 	{
  9. 	    if ($binary[$i] === '1') $expected[] = ($i + 1);
  10. 	}
  11.  
  12. 	print_r($expected);
  13. ?>
Success #stdin #stdout 0.04s 52480KB
comments ()
stdin 
Standard input is empty
stdout 
Array
(
    [0] => 2
    [1] => 5
    [2] => 7
    [3] => 8
)
https://ideone.com/S9fOjf
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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