1# psr-http-message-shim 2 3Trait to allow support of different psr/http-message versions. 4 5Based on the psr-log-aware-trait, developed by Matěj Humpál, K Widholm and Mark Dorison. 6 7By including this shim, you can allow composer to resolve your Psr\Http\Message version for you. 8 9## Use 10 11Require the shim. 12 13 composer require mpdf/psr-http-message-shim 14 15Modify any use of mpdf's Request.php, Response.php, Stream.php and Uri.php classes to instead use versions 16from the Mpdf\HttpMessageShim namespace. 17