--- zlib.c.orig 2023-06-06 15:54:29 UTC +++ zlib.c @@ -1380,6 +1380,7 @@ static PHP_MSHUTDOWN_FUNCTION(zlib) /* {{{ PHP_RINIT_FUNCTION */ static PHP_RINIT_FUNCTION(zlib) { + ZLIBG(output_compression) = 0; ZLIBG(compression_coding) = 0; if (!ZLIBG(handler_registered)) { ZLIBG(output_compression) = ZLIBG(output_compression_default);