(PHP ActiveX) MIME Header Q and B Encoding and Decoding

Demonstrates how to Q and B encode/decode.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sb = new COM("Chilkat.StringBuilder");

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

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

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

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sb2 = new COM("Chilkat.StringBuilder");

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

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

?>