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<?php
namespace example\components;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
class HtmlMiddleware implements MiddlewareInterface
{
const MODE_PREPEND = 0;
const MODE_APPEND = 1;
/**
* @var string
*/
private $string;
* @var int
private $mode;
* HtmlMiddleware constructor.
* @param string $string
* @param int $mode
public function __construct(string $string, int $mode = 0)
$this->string = $string;
$this->mode = $mode;
}
* @param ServerRequestInterface $request
* @param RequestHandlerInterface $handler
* @return ResponseInterface
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
$response = $handler->handle($request);
// see: https://github.com/jshannon63/laravel-psr15-middleware/blob/master/src/exampleMiddleware.php
$response->getBody()->rewind();
$body = $response->getBody();
$contents = $body->getContents();
if (static::MODE_PREPEND == $this->mode) {
$contents = str_replace(
'<body>',
"<body>".$this->string,
$contents
);
if (static::MODE_APPEND == $this->mode) {
'</body>',
$this->string.'</body>',
$body->rewind();
$body->write($contents);
return $response->withBody($body);
tbreuss /
pvc
