Behave the same way with "self" like with the actual class name

src/Rules/Methods/IllegalConstructorStaticCallRule.php

@@ -6,7 +6,6 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
 use PHPStan\Rules\RuleErrorBuilder;
-use function in_array;
 
 /**
  * @implements Rule<Node\Expr\StaticCall>
@@ -44,8 +43,22 @@ private function isCollectCallingConstructor(Node $node, Scope $scope): bool
 		if ($scope->getFunction() !== null && $scope->getFunction()->getName() !== '__construct') {
 			return false;
 		}
-		// In constructor, static call is allowed with 'self' or 'parent;
-		return $node->class instanceof Node\Name && in_array($node->class->getFirst(), ['self', 'parent'], true);
+
+		if (!$scope->isInClass()) {
+			return false;
+		}
+
+		if (!$node->class instanceof Node\Name) {
+			return false;
+		}
+
+		if ($node->class->toLowerString() === 'parent') {
+			return true;
+		}
+
+		$className = $scope->resolveName($node->class);
+
+		return $className === $scope->getClassReflection()->getName();
 	}
 
 }

tests/PHPStan/Rules/Methods/IllegalConstructorMethodCallRuleTest.php

@@ -25,7 +25,7 @@ public function testMethods(): void
 			],
 			[
 				'Call to __construct() on an existing object is not allowed.',
-				56,
+				58,
 			],
 		]);
 	}

tests/PHPStan/Rules/Methods/IllegalConstructorStaticCallRuleTest.php

@@ -25,7 +25,11 @@ public function testMethods(): void
 			],
 			[
 				'Static call to __construct() is only allowed on a parent class in the constructor.',
-				46,
+				47,
+			],
+			[
+				'Static call to __construct() is only allowed on a parent class in the constructor.',
+				48,
 			],
 		]);
 	}

tests/PHPStan/Rules/Methods/data/illegal-constructor-call-rule-test.php

@@ -39,11 +39,13 @@ public function __construct(string $datetime = "now", ?DateTimeZone $timezone =
 			return;
 		}
 		self::__construct($datetime, $timezone);
+		ExtendedDateTimeWithSelfCall::__construct($datetime, $timezone);
 	}
 
 	public function mutate(string $datetime = "now", ?DateTimeZone $timezone = null): void
 	{
 		self::__construct($datetime, $timezone);
+		ExtendedDateTimeWithSelfCall::__construct($datetime, $timezone);
 	}
 }