update year in license files

* 2.8:
  [Form] Hardened test suite for empty data
  Bump phpunit XSD version to 5.2
  Add required key attribute

DebugClassLoader.php

@@ -138,14 +138,14 @@ class DebugClassLoader
         try {
             if ($this->isFinder && !isset($this->loaded[$class])) {
                 $this->loaded[$class] = true;
-                if ($file = $this->classLoader[0]->findFile($class) ?: false) {
-                    $wasCached = \function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file);
-
+                if (!$file = $this->classLoader[0]->findFile($class) ?: false) {
+                    // no-op
+                } elseif (\function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file)) {
                     require $file;
 
-                    if ($wasCached) {
-                        return;
-                    }
+                    return;
+                } else {
+                    require $file;
                 }
             } else {
                 \call_user_func($this->classLoader, $class);
@@ -219,7 +219,7 @@ class DebugClassLoader
             $len = 0;
             $ns = '';
         } else {
-            $ns = \substr($class, 0, $len);
+            $ns = \str_replace('_', '\\', \substr($class, 0, $len));
         }
 
         // Detect annotations on the class
@@ -250,13 +250,13 @@ class DebugClassLoader
             if (!isset(self::$checkedClasses[$use])) {
                 $this->checkClass($use);
             }
-            if (isset(self::$deprecated[$use]) && \strncmp($ns, $use, $len)) {
+            if (isset(self::$deprecated[$use]) && \strncmp($ns, \str_replace('_', '\\', $use), $len)) {
                 $type = class_exists($class, false) ? 'class' : (interface_exists($class, false) ? 'interface' : 'trait');
                 $verb = class_exists($use, false) || interface_exists($class, false) ? 'extends' : (interface_exists($use, false) ? 'implements' : 'uses');
 
                 $deprecations[] = sprintf('The "%s" %s %s "%s" that is deprecated%s.', $class, $type, $verb, $use, self::$deprecated[$use]);
             }
-            if (isset(self::$internal[$use]) && \strncmp($ns, $use, $len)) {
+            if (isset(self::$internal[$use]) && \strncmp($ns, \str_replace('_', '\\', $use), $len)) {
                 $deprecations[] = sprintf('The "%s" %s is considered internal%s. It may change without further notice. You should not use it from "%s".', $use, class_exists($use, false) ? 'class' : (interface_exists($use, false) ? 'interface' : 'trait'), self::$internal[$use], $class);
             }
         }

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2018 Fabien Potencier
+Copyright (c) 2004-2019 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.2/phpunit.xsd"
          backupGlobals="false"
          colors="true"
          bootstrap="vendor/autoload.php"