Added support for string concatenation

Author: lookyman

src/ServiceMap.php

@@ -6,6 +6,7 @@
 
 use Lookyman\PHPStan\Symfony\Exception\XmlContainerNotExistsException;
 use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp\Concat;
 use PhpParser\Node\Expr\ClassConstFetch;
 use PhpParser\Node\Name;
 use PhpParser\Node\Scalar\String_;
@@ -80,6 +81,13 @@ public static function getServiceIdFromNode(Node $node)
 				return $serviceId;
 			}
 		}
+		if ($node instanceof Concat) {
+			$left = self::getServiceIdFromNode($node->left);
+			$right = self::getServiceIdFromNode($node->right);
+			if ($left !== null && $right !== null) {
+				return \sprintf('%s%s', $left, $right);
+			}
+		}
 		return \null;
 	}
 

tests/Rules/ContainerInterfaceUnknownServiceRuleTest.php

@@ -28,6 +28,10 @@ public function testGetUnknownService()
 				'Service "Lookyman\PHPStan\Symfony\ServiceMap" is not registered in the container.',
 				27,
 			],
+			[
+				'Service "service.Lookyman\PHPStan\Symfony\ServiceMap" is not registered in the container.',
+				39,
+			],
 		]);
 	}
 

tests/Rules/data/ExampleController.php

@@ -36,7 +36,7 @@ public function getVariableService(string $serviceKey)
 
 	public function getConcatenatedService()
 	{
-		$service = $this->get('service.' . self::class);
+		$service = $this->get('service.' . ServiceMap::class);
 		$service->noMethod();
 	}