Add error_level config option to filter error handler reporting (#1373)

config/debugbar.php

@@ -139,8 +139,18 @@
      | When enabled, the Debugbar shows deprecated warnings for Symfony components
      | in the Messages tab.
      |
+     | You can set a custom error reporting level to filter which errors are
+     | handled. For example, to exclude deprecation warnings:
+     |   E_ALL & ~E_DEPRECATED & ~E_USER_DEPRECATED
+     |
+     | To exclude notices, strict warnings, and deprecations:
+     |   E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED & ~E_USER_DEPRECATED
+     |
+     | Defaults to E_ALL (all errors).
+     |
      */
     'error_handler' => env('DEBUGBAR_ERROR_HANDLER', false),
+    'error_level' => env('DEBUGBAR_ERROR_LEVEL', E_ALL),
 
     /*
      |--------------------------------------------------------------------------

src/LaravelDebugbar.php

@@ -181,7 +181,11 @@ public function boot()
 
         // Set custom error handler
         if ($config->get('debugbar.error_handler', false)) {
-            $this->prevErrorHandler = set_error_handler([$this, 'handleError']);
+            // Get the error_level config, default to E_ALL
+            $errorLevel = $config->get('debugbar.error_level', E_ALL);
+
+            // set error handler with configured error reporting level
+            $this->prevErrorHandler = set_error_handler([$this, 'handleError'], $errorLevel);
         }
 
         $this->selectStorage($this);

tests/ErrorHandlerTest.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Barryvdh\Debugbar\Tests;
+
+use Barryvdh\Debugbar\LaravelDebugbar;
+use ReflectionObject;
+
+class ErrorHandlerTest extends TestCase
+{
+    /**
+     * Define environment setup.
+     *
+     * @param  \Illuminate\Foundation\Application $app
+     *
+     * @return void
+     */
+    protected function getEnvironmentSetUp($app)
+    {
+        parent::getEnvironmentSetUp($app);
+
+        // Force the Debugbar to Enable on test/cli applications
+        $app->resolving(LaravelDebugbar::class, function ($debugbar) {
+            $refObject = new ReflectionObject($debugbar);
+            $refProperty = $refObject->getProperty('enabled');
+            $refProperty->setValue($debugbar, true);
+        });
+
+        // Enable collectors needed for error handling
+        $app['config']->set('debugbar.collectors.messages', true);
+        $app['config']->set('debugbar.collectors.exceptions', true);
+    }
+
+    public function testErrorHandlerRespectsCustomErrorLevel()
+    {
+        $app = $this->app;
+        $app['config']->set('debugbar.error_handler', true);
+        // Exclude deprecation warnings
+        $app['config']->set('debugbar.error_level', E_ALL & ~E_DEPRECATED & ~E_USER_DEPRECATED);
+
+        $debugbar = $app->make(LaravelDebugbar::class);
+        $debugbar->boot();
+
+        // Get initial message count
+        $initialCount = 0;
+        if ($debugbar->hasCollector('messages')) {
+            $initialCount = count($debugbar->getCollector('messages')->collect()['messages']);
+        }
+
+        // Trigger a deprecation warning - should NOT be captured
+        @trigger_error('Test deprecation warning', E_USER_DEPRECATED);
+
+        // Check that error was NOT captured
+        if ($debugbar->hasCollector('messages')) {
+            $messages = $debugbar->getCollector('messages')->collect();
+            $newCount = count($messages['messages']);
+            $this->assertEquals($initialCount, $newCount, 'Deprecation warning should not be captured when excluded from error_level');
+        }
+
+        // Trigger a warning (not a deprecation) - should be captured
+        @trigger_error('Test warning', E_USER_WARNING);
+
+        // Check that warning WAS captured
+        if ($debugbar->hasCollector('messages')) {
+            $messages = $debugbar->getCollector('messages')->collect();
+            $finalCount = count($messages['messages']);
+            $this->assertGreaterThan($initialCount, $finalCount, 'Non-deprecation errors should still be captured');
+        }
+    }
+}