function encode($plaintext, $key)
{
$encryptedText = "";
$alphabetTemplate = "abcdefghiklmnopqrstuvwxyz";
$cleanText = clean($plaintext);
$cipherTable = tableMaker($key);
for ($i = 0; $i < strlen($cleanText) - 1; $i += 2) {
$pair = textPairing($cleanText, $i);
$match = encodeMatch($pair, $cipherTable);
$encryptedText .= $match;
}
return $encryptedText;
}
function encode($plaintext, $key)
{
$encryptedText = "";
$cleanText = clean($plaintext);
$vKeyLength = getTextLength($cleanText);
$vKey = getVKey($key, $vKeyLength);
$counter = 0;
for ($i = 0; $i < strlen($cleanText); $i++) {
if (ord($cleanText[$i]) >= 97 && ord($cleanText[$i]) <= 122) {
$match = encodeMatch($vKey[$counter++], $cleanText[$i]);
$encryptedText .= $match;
} else {
$encryptedText .= $cleanText[$i];
}
}
return $encryptedText;
}
