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<?php
namespace Psr7Middlewares\Utils;
use Psr\Http\Message\ResponseInterface;
use Psr7Middlewares\Middleware;
/**
* Utilities used by middlewares that inject html code in the responses.
*/
trait HtmlInjectorTrait
{
* Inject some code just before any tag.
*
* @param ResponseInterface $response
* @param string $code
* @param string $tag
* @return ResponseInterface
private function inject(ResponseInterface $response, $code, $tag = 'body')
$html = (string) $response->getBody();
$pos = strripos($html, "</{$tag}>");
if ($pos === false) {
$response->getBody()->write($code);
return $response;
}
$body = Middleware::createStream();
$body->write(substr($html, 0, $pos).$code.substr($html, $pos));
return $response->withBody($body);
oscarotero /
psr7-middlewares
