PHP Decode

<?php

use Egulias\EmailValidator\EmailValidator;

class Swift_Bug650Test extends \PHPUnit\Framework\TestCase
{
    /**
     * @dataProvider encodingDataProvider
     *
     * @param string $name
     * @param string $expectedEncodedName
     */
    public function testMailboxHeaderEncoding($name, $expectedEncodedName)
    {
        $factory = new Swift_CharacterReaderFactory_SimpleCharacterReaderFactory();
        $charStream = new Swift_CharacterStream_NgCharacterStream($factory, 'utf-8');
        $encoder = new Swift_Mime_HeaderEncoder_QpHeaderEncoder($charStream);
        $header = new Swift_Mime_Headers_MailboxHeader('To', $encoder, new EmailValidator());
        $header->setCharset('utf-8');

        $header->setNameAddresses([
            '[email protected]' => $name,
        ]);

        $this->assertSame('To: '.$expectedEncodedName." <[email protected]>
", $header->toString());
    }

    public function encodingDataProvider()
    {
        return [
            ['this is " a test ', 'this is =?utf-8?Q?=22?= a test =?utf-8?Q?=C3=B6?='],
            [': this is a test ', '=?utf-8?Q?=3A?= this is a test =?utf-8?Q?=C3=B6?='],
            ['( test ', '=?utf-8?Q?=28?= test =?utf-8?Q?=C3=B6?='],
            ['[ test ', '=?utf-8?Q?=5B?= test =?utf-8?Q?=C3=B6?='],
            ['@ test )', '=?utf-8?Q?=40?= test =?utf-8?Q?=C3=B6=29?='],
        ];
    }
}
 ?>