[5.8] Add event:list command

src/Illuminate/Foundation/Console/EventListCommand.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Illuminate\Foundation\Console;
+
+use Illuminate\Console\Command;
+use Illuminate\Foundation\Support\Providers\EventServiceProvider;
+
+class EventListCommand extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'event:list';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = "List the application's events and listeners";
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $this->table(['Event', 'Listeners'], $this->getEvents());
+    }
+
+    /**
+     * Get all of the events and listeners configured for the application.
+     *
+     * @return array
+     */
+    protected function getEvents()
+    {
+        $events = [];
+
+        foreach ($this->laravel->getProviders(EventServiceProvider::class) as $provider) {
+            $providerEvents = array_merge($provider->discoverEvents(), $provider->listens());
+
+            $events = array_merge_recursive($events, $providerEvents);
+        }
+
+        return collect($events)->map(function ($value, $key) {
+            return ['Event' => $key, 'Listeners' => implode("\n", $value)];
+        })->values()->toArray();
+    }
+}

src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php

@@ -19,6 +19,7 @@
 use Illuminate\Foundation\Console\OptimizeCommand;
 use Illuminate\Foundation\Console\RuleMakeCommand;
 use Illuminate\Foundation\Console\TestMakeCommand;
+use Illuminate\Foundation\Console\EventListCommand;
 use Illuminate\Foundation\Console\EventMakeCommand;
 use Illuminate\Foundation\Console\ModelMakeCommand;
 use Illuminate\Foundation\Console\RouteListCommand;
@@ -93,6 +94,7 @@ class ArtisanServiceProvider extends ServiceProvider implements DeferrableProvid
         'Environment' => 'command.environment',
         'EventCache' => 'command.event.cache',
         'EventClear' => 'command.event.clear',
+        'EventList' => 'command.event.list',
         'KeyGenerate' => 'command.key.generate',
         'Migrate' => 'command.migrate',
         'MigrateFresh' => 'command.migrate.fresh',
@@ -430,6 +432,18 @@ protected function registerEventClearCommand()
         });
     }
 
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerEventListCommand()
+    {
+        $this->app->singleton('command.event.list', function () {
+            return new EventListCommand();
+        });
+    }
+
     /**
      * Register the command.
      *