Single-character substitutions : substr « String « PHP






  1. PHP
  2. String
  3. substr

Single-character substitutions

 
<?php
  $qwerty = 'qwertyuiopasdfghjklzxcvbnm' . 'QWERTYUIOPASDFGHJKLZXCVBNM';
  $dvorak = 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  $message = "Start the attack when the sun rises.";
  $encoded = strtr($message, $qwerty, $dvorak);
  $decoded = strtr($encoded, $dvorak, $qwerty);
?>








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