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<?php
declare(strict_types=1);
namespace Genkgo\Mail\Header;
use Genkgo\Mail\Stream\OptimalTransferEncodedTextStream;
/**
* Class OptimalEncodedHeaderValue
* @package Genkgo\Mail\Header
*/
final class OptimalEncodedHeaderValue
{
*
private const FOLDING = "\r\n ";
* @var string
private $value;
* OptimalEncodedHeaderValue constructor.
* @param string $value
public function __construct(string $value)
$this->value = $value;
}
* @return string
public function __toString(): string
$encoded = new OptimalTransferEncodedTextStream($this->value, 68, self::FOLDING);
$encoding = $encoded->getMetadata(['transfer-encoding'])['transfer-encoding'];
if ($encoding === '7bit' || $encoding === '8bit') {
return (string) $encoded;
if ($encoding === 'base64') {
return sprintf('=?%s?B?%s?=', 'UTF-8', (string) $encoded);
return sprintf('=?%s?Q?%s?=', 'UTF-8', (string) $encoded);
genkgo /
mail
