PHP

MIME Header Q and B Encoding and Decoding

See more Encryption Examples

Demonstrates how to Q and B encode/decode. Chilkat2 PHP

<?php

use Chilkat2\StringBuilder;

$sb = new StringBuilder();

$sb->Append('This is a test');

echo $sb->GetEncoded('B', 'utf-8'), "\n";
// output is:
// =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=

echo $sb->GetEncoded('Q', 'iso-8859-1'), "\n";
// output is:
// =?utf-8?Q?This_is_a_test?=

$sb2 = new StringBuilder();

$sb2->Append('=?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=');
$sb2->Decode('B', 'utf-8');
echo $sb2->GetAsString(), "\n";

// output is:
// This is a test

$sb2->Clear();
$sb2->Append('=?utf-8?Q?This_is_a_test?=');
$sb2->Decode('Q', 'utf-8');
echo $sb2->GetAsString(), "\n";

// output is:
// This is a test

// "B" or "Q" will decode both B and Q.
$sb2->Clear();
$sb2->Append('=?utf-8?Q?This_is_a_test?= 123 =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=');
$sb2->Decode('Q', 'utf-8');
echo $sb2->GetAsString(), "\n";

// output is:
// This is a test 123 This is a test