Base64 Encode/Decode a String

PHP example to base-64 encode and decode a string.

Download Chilkat Crypt ActiveX

<?php

$crypt = new COM("Chilkat.Crypt2");

//  Any string argument automatically begins the 30-day trial.
$success = $crypt->UnlockComponent('30-day trial');
if ($success != true) {
    print $crypt->lastErrorText() . "\n";
    exit;
}

$s = 'A friend called me up the other day and talked about investing in a dot-com that sells lobsters. Internet lobsters. Where will this end? --Donald Trump';

//  Indicate that no encryption should be performed,
//  only encoding/decoding.
$crypt->CryptAlgorithm = 'none';
$crypt->EncodingMode = 'base64';

//  Other possible EncodingMode settings are:
//  "quoted-printable", "hex", "uu", "base32", and "url"

$strBase64 = $crypt->encryptStringENC($s);

print $strBase64 . "\n";

$decoded = $crypt->decryptStringENC($strBase64);

print $decoded . "\n";
?>