Fix CS/WS issues

Author: sebastianbergmann

src/Framework/TestRunner.php

@@ -22,6 +22,7 @@
 use function tempnam;
 use function unlink;
 use function var_export;
+use function xdebug_is_debugger_active;
 use AssertionError;
 use PHPUnit\Event;
 use PHPUnit\Event\NoPreviousThrowableException;

tests/_files/skip-if-requires-code-coverage-driver.php

@@ -1,5 +1,4 @@
 <?php declare(strict_types=1);
-
 /*
  * This file is part of PHPUnit.
  *
@@ -8,25 +7,36 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-if (\extension_loaded('pcov')) {
+namespace PHPUnit\TestFixture;
+
+use function explode;
+use function extension_loaded;
+use function getenv;
+use function in_array;
+use function ini_get;
+use function phpversion;
+use function version_compare;
+use function xdebug_info;
+
+if (extension_loaded('pcov')) {
     return;
 }
 
-if (!\extension_loaded('xdebug')) {
+if (!extension_loaded('xdebug')) {
     print 'skip: This test requires a code coverage driver';
 }
 
-if (\version_compare(\phpversion('xdebug'), '3.1', '>=') && \in_array('coverage', xdebug_info('mode'), true)) {
+if (version_compare(phpversion('xdebug'), '3.1', '>=') && in_array('coverage', xdebug_info('mode'), true)) {
     return;
 }
 
-$mode = \getenv('XDEBUG_MODE');
+$mode = getenv('XDEBUG_MODE');
 
 if ($mode === false || $mode === '') {
-    $mode = \ini_get('xdebug.mode');
+    $mode = ini_get('xdebug.mode');
 }
 
 if ($mode === false ||
-    !\in_array('coverage', \explode(',', $mode), true)) {
+    !in_array('coverage', explode(',', $mode), true)) {
     print 'skip: XDEBUG_MODE=coverage or xdebug.mode=coverage has to be set';
 }