Issue 776 - Check if we're still collecting in the listen handler (#823)

Author: apokryfos

src/LaravelDebugbar.php

@@ -319,6 +319,9 @@ function ($level, $message = null, $context = null) use ($logger) {
             try {
                 $db->listen(
                     function ($query, $bindings = null, $time = null, $connectionName = null) use ($db, $queryCollector) {
+                        if ($this->shouldCollect('db', true)) {
+                            return; // Issue 776 : We've turned off collecting after the listener was attached
+                        }
                         // Laravel 5.2 changed the way some core events worked. We must account for
                         // the first argument being an "event object", where arguments are passed
                         // via object properties, instead of individual arguments.