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  1. <?php
  2.  
  3. $original = array("this","is","me","and","I","am","an","array","hello","beautiful","world");
  4. function digits_to_letters($input) {
  5.     return strtr($input, "0123456789", "ABCDEFGHIJ");
  6. }
  7.  
  8. $result = array_flip(array_map("digits_to_letters", array_flip($original)));
  9.  
  10. print_r($result);
  11.  
  12. ?>
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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Array
(
    [A] => this
    [B] => is
    [C] => me
    [D] => and
    [E] => I
    [F] => am
    [G] => an
    [H] => array
    [I] => hello
    [J] => beautiful
    [BA] => world
)
https://ideone.com/TQNYj
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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