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

Demonstrates how to Q and B encode/decode.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

$sb = new CkStringBuilder();

$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?=

$sb2 = new CkStringBuilder();

$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

?>