remove grpc dep from composer

Author: HashimTheArab

packages/php/composer.json

@@ -8,8 +8,7 @@
   "require": {
     "php": ">=8.1",
     "grpc/grpc": "^1.74.0",
-    "google/protobuf": "^3.25",
-    "ext-grpc": "*"
+    "google/protobuf": "^3.25"
   },
   "require-dev": {
     "phpunit/phpunit": "^10.0",

packages/php/src/PluginBase.php

@@ -285,6 +285,10 @@ private function resolveEventBinding(string $payloadFqcn): ?array {
 
     // Runner
     public function run(): void {
+        if (!\extension_loaded('grpc')) {
+            fwrite(STDERR, "[php] gRPC extension (ext-grpc) not loaded. Install via 'pecl install grpc' or run with the bundled PHP binary that includes gRPC.\n");
+            throw new \RuntimeException('Missing required PHP extension: ext-grpc');
+        }
         fwrite(STDOUT, "[php] connecting to {$this->serverAddress}...\n");
 
         $this->client = new PluginClient($this->serverAddress, [