Throw an ErrorException on E_STRICT errors

library/Icinga/Application/ApplicationBootstrap.php

@@ -4,10 +4,10 @@
 
 namespace Icinga\Application;
 
+use ErrorException;
 use Exception;
 use Zend_Config;
 use Icinga\Application\Modules\Manager as ModuleManager;
-use Icinga\Application\Config;
 use Icinga\Data\ResourceFactory;
 use Icinga\Exception\ConfigurationError;
 use Icinga\Exception\NotReadableError;
@@ -386,6 +386,17 @@ abstract class ApplicationBootstrap
         error_reporting(E_ALL | E_STRICT);
         ini_set('display_startup_errors', 1);
         ini_set('display_errors', 1);
+        set_error_handler(function ($errno, $errstr, $errfile, $errline) {
+            if (error_reporting() === 0) {
+                // Error was suppressed with the @-operator
+                return false; // Continue with the normal error handler
+            }
+            switch($errno) {
+                case E_STRICT:
+                    throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
+            }
+            return false; // Continue with the normal error handler
+        });
         return $this;
     }