add .nsq.php for syntax highligting

.nsq.php

@@ -0,0 +1,85 @@
+<?php
+
+# This file required for syntax highlighting of the php-nsq extension
+namespace {
+    const NSQ_ERROR_NONE = 0;
+    const NSQ_ERROR_NO_CONNECTION = 1;
+    const NSQ_ERROR_UNABLE_TO_PUBLISH_MESSAGE = 2;
+    const NSQ_ERROR_TOPIC_KEY_REQUIRED = 3;
+    const NSQ_ERROR_CHANNEL_KEY_REQUIRED = 4;
+    const NSQ_ERROR_LOOKUPD_SERVER_NOT_AVAILABLE = 5;
+    const NSQ_ERROR_PUB_LOST_CONNECTION = 6;
+    const NSQ_ERROR_TOPIC_NOT_EXISTS = 7;
+    const NSQ_ERROR_CALLBACK_FUNCTION_IS_NOT_CALLABLE = 8;
+    const NSQ_ERROR_LIBEVENT_COULD_NOT_BE_INITIALIZED = 9;
+    const NSQ_ERROR_CONNECTION_FAILED = 10;
+
+    class Nsq
+    {
+        public $nsqConfig;
+        public $nsqd_connection_fds;
+        public $conn_timeout;
+
+        public function __construct(array $nsq_config = [])
+        {
+        }
+
+        /** @return bool */
+        public function connectNsqd($connectaddr_arr)
+        {
+        }
+
+        /** @return bool */
+        public function closeNsqdConnection()
+        {
+        }
+
+        /** @return bool */
+        public function publish($topic, $msg)
+        {
+        }
+
+        /** @return bool */
+        public function deferredPublish($topic, $msg, $delay_time)
+        {
+        }
+
+        public function subscribe($nsq_lookupd, $config, $callback)
+        {
+        }
+    }
+
+    class NsqLookupd
+    {
+        public $address;
+
+        public function __construct(string $lookup_address)
+        {
+        }
+    }
+
+    class NsqMessage
+    {
+        public $message_id;
+        public $messageId;
+        public $timestamp;
+        public $attempts;
+        public $payload;
+
+        public function touch($bev_zval, $message_id)
+        {
+        }
+
+        public function requeue($bev_zval, $message_id, $time_ms)
+        {
+        }
+
+        public function finish($bev_zval, $message_id)
+        {
+        }
+    }
+
+    class NsqException extends \Exception
+    {
+    }
+}