<?php
header("Content-Type: text/plain; charset=utf-8");
/* Коды для замены букв */
'а' => 'ァ',
'б' => 'ィ',
'в' => 'ゥ',
'г' => 'ウ',
'д' => 'ェ',
'е' => 'ォ',
'ё' => 'カ',
'ж' => 'キ',
'з' => 'ク',
'и' => 'コ',
'й' => 'シ',
'к' => 'ス',
'л' => 'ズ',
'м' => 'セ',
'н' => 'ソ',
'о' => 'タ',
'п' => 'ダ',
'р' => 'チ',
'с' => 'ッ',
'т' => 'テ',
'у' => 'ト',
'ф' => 'ニ',
'х' => 'ネ',
'ц' => 'ノ',
'ч' => 'ハ',
'ш' => 'フ',
'щ' => 'ヘ',
'ь' => 'ベ',
'ы' => 'ペ',
'ъ' => 'ホ',
'э' => 'ミ',
'ю' => 'ョ',
'я' => 'ヰ'
);
$text = 'нас предали. явка провалена.';
$cipher = strtr($text, $code);
echo "Оригинал: {$text}\nШифровка: {$cipher}\n";
$decode = strtr($text, $flipped);
echo "\n" . $decode;
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