Untitled

<?php
    $tekst = $_POST['tekst'];
    $szyfr = $_POST['szyfr'];

    $kod = [
                "a" => "/2/",
                "b" => "/22/",
                "c" => "/222/",
                "d" => "/3/",
                "e" => "/33/",
                "f" => "/333/",
                "g" => "/4/",
                "h" => "/44/",
                "i" => "/444/",
                "j" => "/5/",
                "k" => "/55/",
                "l" => "/555/",
                "m" => "/6/",
                "n" => "/66/",
                "o" => "/666/",
                "p" => "/7/",
                "q" => "/77/",
                "r" => "/777/",
                "s" => "/7777/",
                "t" => "/8/",
                "u" => "/88/",
                "v" => "/888/",
                "w" => "/9/",
                "x" => "/99/",
                "y" => "/999/",
                "z" => "/9999/",
           ];
    $kod1 = [
                "/2/" => "a",
                "/22/" => "b",
                "/222/" => "c",
                "/3/" => "d",
                "/33/" => "e",
                "/333/" => "f",
                "/4/" => "g",
                "/44/" => "h",
                "/444/" => "i",
                "/5/" => "j",
                "/55/" => "k",
                "/555/" => "l",
                "/6/" => "m",
                "/66/" => "n",
                "/666/" => "o",
                "/7/" => "p",
                "/77/" => "q",
                "/777/" => "r",
                "/7777/" => "s",
                "/8/" => "t",
                "/88/" => "u",
                "/888/" => "v",
                "/9/" => "w",
                "/99/" => "x",
                "/999/" => "y",
                "/9999/" => "z",
    ];

    $litery = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z");
    $cyfry = array("/2/", "/22/", "/222/", "/3/", "/33/", "/333/", "/4/", "/44/", "/444/", "/5/", "/55/", "/555/", "/6/", "/66/", "/666/", "/7/", "/77/", "/777/", "/7777/", "/8/", "/88/", "/888/", "/9/", "/99/", "/999/", "/9999/");

    $wynik = str_replace($litery, $kod, $tekst);
    $wynik1 = str_replace($cyfry, $kod1, $szyfr);


?>


<html>
    <head>
        <title>Szyfrowanie Tekstu</title>
    </head>
    <body>
    <center><p><h1>Zaszyfruj swój tekst!</h1></p>
        <?php
            echo "Zaszyfrowany tekst: ",$wynik,'<br>';
            echo "Odszyfrowany tekst: ",$wynik1,'<br>';
        ?>
        <form name="tekst" action="" method="POST">
            <br><input type="text" name="tekst" placeholder="Wpisz tekst do zaszyfrowania" required>
            <input type="submit" value="Zaszyfruj">
        </form>

        <form name="szyfr" action="" method="POST">
            <br><input type="text" name="szyfr" placeholder="Wpisz tekst do odszyfrowania" required>
            <input type="submit" value="Odszyfruj">
        </form>
    </body>
</html>