Fully qualify all global function calls. (#718)

* Fully qualify all global function calls.

* Add the slevomat/coding-standards ReferenceUsedNames rule and fix violations.

Author: mad-briller

phpcs.xml

@@ -21,6 +21,7 @@
 	<rule ref="SlevomatCodingStandard.Namespaces.UnusedUses"/>
 	<rule ref="SlevomatCodingStandard.Namespaces.UselessAlias"/>
 	<rule ref="SlevomatCodingStandard.Namespaces.UseSpacing"/>
+	<rule ref="SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly"/>
 	<rule ref="SlevomatCodingStandard.PHP.UselessSemicolon"/>
 	<rule ref="SlevomatCodingStandard.PHP.UselessParentheses"/>
 </ruleset>

src/DeprecatedScope/DeprecationHelperScope.php

@@ -8,6 +8,8 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Rules\Deprecations\DeprecatedScopeResolver;
+use function class_exists;
+use function count;
 
 final class DeprecationHelperScope implements DeprecatedScopeResolver
 {

src/DeprecatedScope/GroupLegacyScope.php

@@ -6,6 +6,7 @@
 
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Deprecations\DeprecatedScopeResolver;
+use function strpos;
 
 final class GroupLegacyScope implements DeprecatedScopeResolver
 {

src/Drupal/DrupalAutoloader.php

@@ -3,10 +3,34 @@
 namespace mglaman\PHPStanDrupal\Drupal;
 
 use Drupal\Core\DependencyInjection\ContainerNotInitializedException;
+use Drupal\TestTools\PhpUnitCompatibility\PhpUnit8\ClassWriter;
 use DrupalFinder\DrupalFinder;
+use Drush\Drush;
 use PHPStan\DependencyInjection\Container;
+use PHPUnit\Framework\Test;
+use ReflectionClass;
+use RuntimeException;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Yaml\Yaml;
+use Throwable;
+use function array_map;
+use function array_merge;
+use function array_walk;
+use function class_exists;
+use function dirname;
+use function file_exists;
+use function in_array;
+use function interface_exists;
+use function is_array;
+use function is_dir;
+use function is_string;
+use function realpath;
+use function str_replace;
+use function strpos;
+use function strtr;
+use function trigger_error;
+use function ucwords;
+use function usort;
 
 class DrupalAutoloader
 {
@@ -68,7 +92,7 @@ public function register(Container $container): void
         $drupalRoot = $finder->getDrupalRoot();
         $drupalVendorRoot = $finder->getVendorDir();
         if (! (bool) $drupalRoot || ! (bool) $drupalVendorRoot) {
-            throw new \RuntimeException("Unable to detect Drupal at {$drupalParams['drupal_root']}");
+            throw new RuntimeException("Unable to detect Drupal at {$drupalParams['drupal_root']}");
         }
 
         $this->drupalRoot = $drupalRoot;
@@ -142,11 +166,11 @@ public function register(Container $container): void
             }
         }
 
-        if (class_exists(\Drush\Drush::class)) {
-            $reflect = new \ReflectionClass(\Drush\Drush::class);
+        if (class_exists(Drush::class)) {
+            $reflect = new ReflectionClass(Drush::class);
             if ($reflect->getFileName() !== false) {
                 $levels = 2;
-                if (\Drush\Drush::getMajorVersion() < 9) {
+                if (Drush::getMajorVersion() < 9) {
                     $levels = 3;
                 }
                 $drushDir = dirname($reflect->getFileName(), $levels);
@@ -200,9 +224,9 @@ class: Drupal\jsonapi\Routing\JsonApiParamEnhancer
         $service_map = $container->getByType(ServiceMap::class);
         $service_map->setDrupalServices($this->serviceMap);
 
-        if (interface_exists(\PHPUnit\Framework\Test::class)
+        if (interface_exists(Test::class)
             && class_exists('Drupal\TestTools\PhpUnitCompatibility\PhpUnit8\ClassWriter')) {
-            \Drupal\TestTools\PhpUnitCompatibility\PhpUnit8\ClassWriter::mutateTestBase($this->autoloader);
+            ClassWriter::mutateTestBase($this->autoloader);
         }
 
         $extension_map = $container->getByType(ExtensionMap::class);
@@ -307,7 +331,7 @@ protected function loadExtension(Extension $extension): void
     {
         try {
             $extension->load();
-        } catch (\Throwable $e) {
+        } catch (Throwable $e) {
             // Something prevented the extension file from loading.
             // This can happen when drupal_get_path or drupal_get_filename are used outside of the scope of a function.
         }
@@ -321,7 +345,7 @@ protected function loadAndCatchErrors(string $path): void
             $path = str_replace(dirname($this->drupalRoot) . '/', '', $path);
             // This can happen when drupal_get_path or drupal_get_filename are used outside the scope of a function.
             @trigger_error("$path invoked the Drupal container outside of the scope of a function or class method. It was not loaded.", E_USER_WARNING);
-        } catch (\Throwable $e) {
+        } catch (Throwable $e) {
             $path = str_replace(dirname($this->drupalRoot) . '/', '', $path);
             // Something prevented the extension file from loading.
             @trigger_error("$path failed loading due to {$e->getMessage()}", E_USER_WARNING);

src/Drupal/DrupalServiceDefinition.php

@@ -6,6 +6,8 @@
 use PHPStan\Type\StringType;
 use PHPStan\Type\Type;
 use PHPStan\Type\TypeCombinator;
+use function count;
+use function str_replace;
 
 class DrupalServiceDefinition
 {

src/Drupal/Extension.php

@@ -2,7 +2,14 @@
 
 namespace mglaman\PHPStanDrupal\Drupal;
 
+use RuntimeException;
 use Symfony\Component\Yaml\Yaml;
+use function explode;
+use function file_get_contents;
+use function is_array;
+use function sprintf;
+use function strpos;
+use function trim;
 
 /**
  * Defines an extension (file) object.
@@ -190,7 +197,7 @@ public function load(): bool
      */
     public function getDependencies(): array
     {
-        if (\is_array($this->dependencies)) {
+        if (is_array($this->dependencies)) {
             return $this->dependencies;
         }
 
@@ -205,26 +212,26 @@ public function getDependencies(): array
 
         // @see \Drupal\Core\Extension\Dependency::createFromString().
         foreach ($dependencies as $dependency) {
-            if (\strpos($dependency, ':') !== false) {
-                [, $dependency] = \explode(':', $dependency);
+            if (strpos($dependency, ':') !== false) {
+                [, $dependency] = explode(':', $dependency);
             }
 
-            $parts = \explode('(', $dependency, 2);
-            $this->dependencies[] = \trim($parts[0]);
+            $parts = explode('(', $dependency, 2);
+            $this->dependencies[] = trim($parts[0]);
         }
 
         return $this->dependencies;
     }
 
     private function parseInfo(): array
     {
-        if (\is_array($this->info)) {
+        if (is_array($this->info)) {
             return $this->info;
         }
 
-        $infoContent = \file_get_contents(\sprintf('%s/%s', $this->root, $this->getPathname()));
+        $infoContent = file_get_contents(sprintf('%s/%s', $this->root, $this->getPathname()));
         if (false === $infoContent) {
-            throw new \RuntimeException(\sprintf('Cannot read "%s', $this->getPathname()));
+            throw new RuntimeException(sprintf('Cannot read "%s', $this->getPathname()));
         }
 
         return $this->info = Yaml::parse($infoContent);

src/Drupal/ExtensionDiscovery.php

@@ -2,6 +2,19 @@
 
 namespace mglaman\PHPStanDrupal\Drupal;
 
+use FilesystemIterator;
+use mglaman\PHPStanDrupal\Drupal\Extension;
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+use function array_filter;
+use function array_flip;
+use function array_multisort;
+use function dirname;
+use function file_exists;
+use function is_dir;
+use function preg_match;
+use function strpos;
+
 class ExtensionDiscovery
 {
 
@@ -207,7 +220,7 @@ protected function filterByProfileDirectories(array $all_files)
             return $all_files;
         }
 
-        return array_filter($all_files, function (\mglaman\PHPStanDrupal\Drupal\Extension $file) : bool {
+        return array_filter($all_files, function (Extension $file) : bool {
             if (strpos($file->subpath, 'profiles') !== 0) {
                 // This extension doesn't belong to a profile, ignore it.
                 return true;
@@ -332,11 +345,11 @@ protected function scanDirectory($dir): array
         // symlinks (to allow extensions to be linked from elsewhere), and return
         // the RecursiveDirectoryIterator instance to have access to getSubPath(),
         // since SplFileInfo does not support relative paths.
-        $flags = \FilesystemIterator::UNIX_PATHS;
-        $flags |= \FilesystemIterator::SKIP_DOTS;
-        $flags |= \FilesystemIterator::FOLLOW_SYMLINKS;
-        $flags |= \FilesystemIterator::CURRENT_AS_SELF;
-        $directory_iterator = new \RecursiveDirectoryIterator($absolute_dir, $flags);
+        $flags = FilesystemIterator::UNIX_PATHS;
+        $flags |= FilesystemIterator::SKIP_DOTS;
+        $flags |= FilesystemIterator::FOLLOW_SYMLINKS;
+        $flags |= FilesystemIterator::CURRENT_AS_SELF;
+        $directory_iterator = new RecursiveDirectoryIterator($absolute_dir, $flags);
 
         // Allow directories specified in settings.php to be ignored. You can use
         // this to not check for files in common special-purpose directories. For
@@ -352,11 +365,11 @@ protected function scanDirectory($dir): array
 
         // The actual recursive filesystem scan is only invoked by instantiating the
         // RecursiveIteratorIterator.
-        $iterator = new \RecursiveIteratorIterator(
+        $iterator = new RecursiveIteratorIterator(
             $filter,
-            \RecursiveIteratorIterator::LEAVES_ONLY,
+            RecursiveIteratorIterator::LEAVES_ONLY,
             // Suppress filesystem errors in case a directory cannot be accessed.
-            \RecursiveIteratorIterator::CATCH_GET_CHILD
+            RecursiveIteratorIterator::CATCH_GET_CHILD
         );
 
         foreach ($iterator as $key => $fileinfo) {

src/Drupal/ExtensionMap.php

@@ -2,6 +2,10 @@
 
 namespace mglaman\PHPStanDrupal\Drupal;
 
+use function array_combine;
+use function array_map;
+use function is_array;
+
 final class ExtensionMap
 {
     /** @var array<string, Extension>  */

src/Drupal/RecursiveExtensionFilterIterator.php

@@ -2,14 +2,20 @@
 
 namespace mglaman\PHPStanDrupal\Drupal;
 
+use RecursiveFilterIterator;
+use RecursiveIterator;
+use function array_merge;
+use function in_array;
+use function substr;
+
 /**
  * Filters a RecursiveDirectoryIterator to discover extensions.
  *
  * Locally bundled version of \Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator.
  *
  * @method bool isDir()
  */
-class RecursiveExtensionFilterIterator extends \RecursiveFilterIterator
+class RecursiveExtensionFilterIterator extends RecursiveFilterIterator
 {
 
     /**
@@ -65,7 +71,7 @@ class RecursiveExtensionFilterIterator extends \RecursiveFilterIterator
      *   (optional) Add to the blacklist of directories that should be filtered
      *   out during the iteration.
      */
-    public function __construct(\RecursiveIterator $iterator, array $blacklist = [])
+    public function __construct(RecursiveIterator $iterator, array $blacklist = [])
     {
         parent::__construct($iterator);
         $this->blacklist = array_merge($this->blacklist, $blacklist);
@@ -74,7 +80,7 @@ public function __construct(\RecursiveIterator $iterator, array $blacklist = [])
     /**
      * {@inheritdoc}
      */
-    public function getChildren(): \RecursiveFilterIterator
+    public function getChildren(): RecursiveFilterIterator
     {
         $filter = parent::getChildren();
         if ($filter instanceof self) {

src/Drupal/ServiceMap.php

@@ -2,6 +2,8 @@
 
 namespace mglaman\PHPStanDrupal\Drupal;
 
+use function class_exists;
+
 class ServiceMap
 {
     /** @var DrupalServiceDefinition[] */