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admin/phpMyAdmin/vendor/symfony/service-contracts/ServiceSubscriberTrait.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Contracts\Service;
+
+use Psr\Container\ContainerInterface;
+use Symfony\Contracts\Service\Attribute\SubscribedService;
+
+/**
+ * Implementation of ServiceSubscriberInterface that determines subscribed services from
+ * method return types. Service ids are available as "ClassName::methodName".
+ *
+ * @author Kevin Bond <kevinbond@gmail.com>
+ */
+trait ServiceSubscriberTrait
+{
+    /** @var ContainerInterface */
+    protected $container;
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedServices(): array
+    {
+        $services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : [];
+        $attributeOptIn = false;
+
+        if (\PHP_VERSION_ID >= 80000) {
+            foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
+                if (self::class !== $method->getDeclaringClass()->name) {
+                    continue;
+                }
+
+                if (!$attribute = $method->getAttributes(SubscribedService::class)[0] ?? null) {
+                    continue;
+                }
+
+                if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
+                    throw new \LogicException(sprintf('Cannot use "%s" on method "%s::%s()" (can only be used on non-static, non-abstract methods with no parameters).', SubscribedService::class, self::class, $method->name));
+                }
+
+                if (!$returnType = $method->getReturnType()) {
+                    throw new \LogicException(sprintf('Cannot use "%s" on methods without a return type in "%s::%s()".', SubscribedService::class, $method->name, self::class));
+                }
+
+                $serviceId = $returnType instanceof \ReflectionNamedType ? $returnType->getName() : (string) $returnType;
+
+                if ($returnType->allowsNull()) {
+                    $serviceId = '?'.$serviceId;
+                }
+
+                $services[$attribute->newInstance()->key ?? self::class.'::'.$method->name] = $serviceId;
+                $attributeOptIn = true;
+            }
+        }
+
+        if (!$attributeOptIn) {
+            foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
+                if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
+                    continue;
+                }
+
+                if (self::class !== $method->getDeclaringClass()->name) {
+                    continue;
+                }
+
+                if (!($returnType = $method->getReturnType()) instanceof \ReflectionNamedType) {
+                    continue;
+                }
+
+                if ($returnType->isBuiltin()) {
+                    continue;
+                }
+
+                if (\PHP_VERSION_ID >= 80000) {
+                    trigger_deprecation('symfony/service-contracts', '2.5', 'Using "%s" in "%s" without using the "%s" attribute on any method is deprecated.', ServiceSubscriberTrait::class, self::class, SubscribedService::class);
+                }
+
+                $services[self::class.'::'.$method->name] = '?'.($returnType instanceof \ReflectionNamedType ? $returnType->getName() : $returnType);
+            }
+        }
+
+        return $services;
+    }
+
+    /**
+     * @required
+     *
+     * @return ContainerInterface|null
+     */
+    public function setContainer(ContainerInterface $container)
+    {
+        $this->container = $container;
+
+        if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) {
+            return parent::setContainer($container);
+        }
+
+        return null;
+    }
+}