<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');
 
$letters = explode(' ', mb_convert_case("а б в г д е ё ж з и к л м н о п р с т у ф х ц ч ш щ ъ ы ь ю я", MB_CASE_UPPER));
$translation = explode(' ', "4 6 8 r ]) [- [= >|< 3 N |< /\ |\/| |-| 0 /7 |> < 7 '/ qp >< |_|_ '-| ||| LLL 'b bI b |-O 9|"); 
 
$code = array_combine($letters, $translation);
 
$text = 'Я У МАМЫ ПИ-ЭЙЧ-ПИ ИНЖЕНЕР-ПРОГРАММИСТ';
 
echo $cipher = strtr($text, $code) . "\n";

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