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  1. <?php
  2. $numarr=array('A' => 0,
  3. 'B' => 1,
  4. 'C' => 2,
  5. 'D' => 3,
  6. 'E' => 4,
  7. 'F' => 5,
  8. 'G' => 6,
  9. 'H' => 7,
  10. 'I' => 8,
  11. 'J' => 9);
  12. $narr = array_flip($numarr);
  13.  
  14. $num = 100;
  15. $arr = str_split($num);
  16.  
  17. $str = '';
  18. foreach($arr as $s)
  19.    $str .= $narr[$s];
  20. echo $str . "\n"; //BAA
  21. ?>
Success #stdin #stdout 0.01s 20520KB
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Standard input is empty
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BAA
https://ideone.com/3XqoZ7
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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