Make error handling a bit more friendly

src/Illuminate/Foundation/Bootstrap/HandleExceptions.php

@@ -38,7 +38,9 @@ public function bootstrap(Application $app)
 
         $this->app = $app;
 
-        error_reporting(-1);
+        if (! $app->environment('production')) {
+            error_reporting(-1);
+        }
 
         set_error_handler([$this, 'handleError']);
 

tests/Foundation/Bootstrap/HandleExceptionsTest.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Illuminate\Tests\Foundation\Bootstrap;
+
+use const E_ALL;
+use function error_reporting;
+use Illuminate\Foundation\Application;
+use Illuminate\Foundation\Bootstrap\HandleExceptions;
+use Mockery as m;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * This test is set to run in isolation to avoid messing up with the test environment and affecting other tests.
+ *
+ * @runInSeparateProcess
+ */
+class HandleExceptionsTest extends TestCase
+{
+    /** @var Application */
+    private $app;
+
+    /** @before */
+    public function configureApp(): void
+    {
+        $this->app = m::mock(Application::class);
+        $this->app->allows()->environment('testing')->andReturns(false);
+    }
+
+    /** @test */
+    public function errorReportingShouldNotBeAffectedOnProduction(): void
+    {
+        error_reporting(E_ALL);
+
+        $this->app->allows()->environment('production')->andReturns(true);
+
+        (new HandleExceptions())->bootstrap($this->app);
+
+        self::assertSame(E_ALL, error_reporting());
+    }
+
+    /** @test */
+    public function errorReportingShouldBeOverriddenForOtherEnvironmentSoPeopleCanFindBugsEarlier(): void
+    {
+        error_reporting(E_ALL);
+
+        $this->app->allows()->environment('production')->andReturns(false);
+
+        (new HandleExceptions())->bootstrap($this->app);
+
+        self::assertSame(-1, error_reporting());
+    }
+}