Add Rollbar handler.

src/Monolog/Handler/RollbarHandler.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Monolog\Handler;
+
+use RollbarNotifier;
+
+/**
+ * Sends errors to Rollbar
+ *
+ * @author Paul Statezny <paulstatezny@gmail.com>
+ */
+class RollbarHandler extends AbstractProcessingHandler
+{
+    /**
+     * Rollbar notifier
+     *
+     * @var RollbarNotifier
+     */
+    protected $rollbarNotifier;
+
+    /**
+     * @param string   $token       post_server_item access token for the Rollbar project
+     * @param string   $environment This can be set to any string
+     * @param string   $root        Directory your code is in; used for linking stack traces
+     * @param integer  $level       The minimum logging level at which this handler will be triggered
+     * @param boolean  $bubble      Whether the messages that are handled can bubble up the stack or not
+     */
+    public function __construct($token, $environment = 'production', $root = null, $level = Logger::ERROR, $bubble = true)
+    {
+        $this->rollbarNotifier = new RollbarNotifier(array(
+            'access_token' => $token,
+            'environment'  => $environment,
+            'root'         => $root,
+        ));
+
+        parent::__construct($level, $bubble);
+    }
+
+    protected function write(array $record)
+    {
+        if (isset($record['context']) and isset($record['context']['exception'])) {
+            $this->rollbarNotifier->report_exception($record['context']['exception']);
+        } else {
+            $this->rollbarNotifier->report_message(
+                $record['message'],
+                $record['level_name'],
+                $record['extra']
+            );
+        }
+    }
+
+    public function __destruct()
+    {
+        $this->rollbarNotifier->flush();
+    }
+}