Experiment with native /internal/shared dir for Playground CLI

package.json

@@ -87,6 +87,7 @@
 		"react-redux": "8.1.3",
 		"react-transition-group": "4.4.5",
 		"sha.js": "2.4.11",
+		"tmp-promise": "3.0.3",
 		"wasm-feature-detect": "1.8.0",
 		"xml2js": "0.6.2",
 		"yargs": "17.7.2"

packages/php-wasm/compile/php/php_wasm.c

@@ -241,7 +241,7 @@ EM_JS(int, wasm_poll_socket, (php_socket_t socketd, int events, int timeout), {
 						if (stream.stream_ops?.poll) {
 							mask = stream.stream_ops.poll(stream, -1);
 						}
-						
+
 						mask &= events | POLLERR | POLLHUP;
 						if (mask) {
 							return mask;
@@ -418,7 +418,7 @@ EM_JS(__wasi_errno_t, js_fd_read, (__wasi_fd_t fd, const __wasi_iovec_t *iov, si
                 HEAPU32[pnum >> 2] = num;
                 return wakeUp(returnCode);
             }
-            
+
             // It's a blocking stream and we Blocking stream with no data available yet.
             // Let's poll up to a timeout.
             await new Promise(resolve => setTimeout(resolve, interval));
@@ -1026,8 +1026,8 @@ int main(int argc, char *argv[]);
 int run_cli()
 {
 	// See wasm_sapi_request_init() for details on why we need to redirect stdout and stderr.
-	stdout_replacement = redirect_stream_to_file(stdout, "/internal/stdout");
-	stderr_replacement = redirect_stream_to_file(stderr, "/internal/stderr");
+	stdout_replacement = redirect_stream_to_file(stdout, "/request/stdout");
+	stderr_replacement = redirect_stream_to_file(stderr, "/request/stderr");
 	if (stdout_replacement == -1 || stderr_replacement == -1)
 	{
 		return -1;
@@ -1337,7 +1337,7 @@ void wasm_set_request_port(int port)
  *
  *   stream: The stream to redirect, e.g. stdout or stderr.
  *
- *   path: The path to the file to redirect to, e.g. "/internal/stdout".
+ *   path: The path to the file to redirect to, e.g. "/request/stdout".
  *
  *   returns: The exit code: 0 on success, -1 on failure.
  */
@@ -1559,11 +1559,11 @@ int wasm_sapi_request_init()
 	// Write to files instead of stdout and stderr because Emscripten truncates null
 	// bytes from stdout and stderr, and null bytes are a valid output when streaming
 	// binary data.
-	// We use our custom Emscripten-defined /internal/std* devices and handle the output in JavaScript.
+	// We use our custom Emscripten-defined /request/std* devices and handle the output in JavaScript.
 	// These /internal devices are not thread-safe and should always stay in per-process MEMFS space.
 	// Sharing them between PHP instances may cause intertwined output.
-	stdout_replacement = redirect_stream_to_file(stdout, "/internal/stdout");
-	stderr_replacement = redirect_stream_to_file(stderr, "/internal/stderr");
+	stdout_replacement = redirect_stream_to_file(stdout, "/request/stdout");
+	stderr_replacement = redirect_stream_to_file(stderr, "/request/stderr");
 	if (stdout_replacement == -1 || stderr_replacement == -1)
 	{
 		return -1;
@@ -1821,7 +1821,7 @@ FILE *headers_file;
  */
 static int wasm_sapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
 {
-	headers_file = fopen("/internal/headers", "w");
+	headers_file = fopen("/request/headers", "w");
 	if (headers_file == NULL)
 	{
 		return FAILURE;