Only mount native /internal dir in primary PHP process

Secondary PHP processes will proxy /internal to the
primary PHP process.

Author: brandonpayton

packages/playground/cli/src/blueprints-v1/worker-thread-v1.ts

@@ -151,7 +151,7 @@ export class PlaygroundCliBlueprintV1Worker extends PHPWorker {
 
 			const requestHandler = await bootWordPress({
 				siteUrl,
-				createPhpRuntime: async () => {
+				createPhpRuntime: async (isPrimary) => {
 					const processId = nextProcessId;
 
 					if (nextProcessId < lastProcessId) {
@@ -166,9 +166,13 @@ export class PlaygroundCliBlueprintV1Worker extends PHPWorker {
 							fileLockManager: this.fileLockManager!,
 							processId,
 							trace: trace ? tracePhpWasm : undefined,
-							phpWasmInitOptions: {
-								nativeInternalDirPath,
-							},
+							phpWasmInitOptions: isPrimary
+								? // Only pass a native /internal dir to the primary PHP process
+								  // because the secondary PHP process will proxy to it.
+								  {
+										nativeInternalDirPath,
+								  }
+								: {},
 						},
 						followSymlinks,
 						withXdebug,

packages/playground/cli/src/blueprints-v2/worker-thread-v2.ts

@@ -386,7 +386,7 @@ export class PlaygroundCliBlueprintV2Worker extends PHPWorker {
 		try {
 			const requestHandler = await bootRequestHandler({
 				siteUrl,
-				createPhpRuntime: async () => {
+				createPhpRuntime: async (isPrimary) => {
 					const processId = nextProcessId;
 
 					if (nextProcessId < lastProcessId) {
@@ -404,9 +404,13 @@ export class PlaygroundCliBlueprintV2Worker extends PHPWorker {
 							ENV: {
 								DOCROOT: '/wordpress',
 							},
-							phpWasmInitOptions: {
-								nativeInternalDirPath,
-							},
+							phpWasmInitOptions: isPrimary
+								? // Only pass a native /internal dir to the primary PHP process
+								  // because the secondary PHP process will proxy to it.
+								  {
+										nativeInternalDirPath,
+								  }
+								: {},
 						},
 						followSymlinks: allow?.includes('follow-symlinks'),
 						withXdebug,

packages/playground/wordpress/src/boot.ts

@@ -37,7 +37,7 @@ export interface Hooks {
 export type DatabaseType = 'sqlite' | 'mysql' | 'custom';
 
 export interface BootRequestHandlerOptions {
-	createPhpRuntime: () => Promise<number>;
+	createPhpRuntime: (isPrimary?: boolean) => Promise<number>;
 	onPHPInstanceCreated?: (php: PHP) => Promise<void>;
 	/**
 	 * PHP SAPI name to be returned by get_sapi_name(). Overriding
@@ -199,7 +199,8 @@ export async function bootRequestHandler(options: BootRequestHandlerOptions) {
 		requestHandler: PHPRequestHandler,
 		isPrimary: boolean
 	) {
-		const php = new PHP(await options.createPhpRuntime());
+		const runtimeId = await options.createPhpRuntime(isPrimary);
+		const php = new PHP(runtimeId);
 		if (options.sapiName) {
 			php.setSapiName(options.sapiName);
 		}