Use ::class keyword when possible

Author: fabpot

bootstrap.php

@@ -20,15 +20,15 @@
 }
 
 // Detect if we're loaded by an actual run of phpunit
-if (!defined('PHPUNIT_COMPOSER_INSTALL') && !class_exists('PHPUnit\TextUI\Command', false)) {
+if (!defined('PHPUNIT_COMPOSER_INSTALL') && !class_exists(\PHPUnit\TextUI\Command::class, false)) {
     return;
 }
 
 // Enforce a consistent locale
 setlocale(\LC_ALL, 'C');
 
-if (!class_exists('Doctrine\Common\Annotations\AnnotationRegistry', false) && class_exists('Doctrine\Common\Annotations\AnnotationRegistry')) {
-    if (method_exists('Doctrine\Common\Annotations\AnnotationRegistry', 'registerUniqueLoader')) {
+if (!class_exists(AnnotationRegistry::class, false) && class_exists(AnnotationRegistry::class)) {
+    if (method_exists(AnnotationRegistry::class, 'registerUniqueLoader')) {
         AnnotationRegistry::registerUniqueLoader('class_exists');
     } else {
         AnnotationRegistry::registerLoader('class_exists');