Fix methods in IntersectionTypePropertyReflection

Author: ondrejmirtes

Diff for: src/Reflection/Type/IntersectionTypePropertyReflection.php

@@ -28,35 +28,17 @@ public function getDeclaringClass(): ClassReflection
 
 	public function isStatic(): bool
 	{
-		foreach ($this->properties as $property) {
-			if ($property->isStatic()) {
-				return true;
-			}
-		}
-
-		return false;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isStatic());
 	}
 
 	public function isPrivate(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->isPrivate()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isPrivate());
 	}
 
 	public function isPublic(): bool
 	{
-		foreach ($this->properties as $property) {
-			if ($property->isPublic()) {
-				return true;
-			}
-		}
-
-		return false;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isPublic());
 	}
 
 	public function isDeprecated(): TrinaryLogic
@@ -108,35 +90,30 @@ public function getWritableType(): Type
 
 	public function canChangeTypeAfterAssignment(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->canChangeTypeAfterAssignment()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->canChangeTypeAfterAssignment());
 	}
 
 	public function isReadable(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->isReadable()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isReadable());
 	}
 
 	public function isWritable(): bool
 	{
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isWritable());
+	}
+
+	/**
+	 * @param callable(PropertyReflection): bool $cb
+	 */
+	private function computeResult(callable $cb): bool
+	{
+		$result = false;
 		foreach ($this->properties as $property) {
-			if (!$property->isWritable()) {
-				return false;
-			}
+			$result = $result || $cb($property);
 		}
 
-		return true;
+		return $result;
 	}
 
 }

Diff for: src/Reflection/Type/UnionTypePropertyReflection.php

@@ -28,35 +28,17 @@ public function getDeclaringClass(): ClassReflection
 
 	public function isStatic(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->isStatic()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isStatic());
 	}
 
 	public function isPrivate(): bool
 	{
-		foreach ($this->properties as $property) {
-			if ($property->isPrivate()) {
-				return true;
-			}
-		}
-
-		return false;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isPrivate());
 	}
 
 	public function isPublic(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->isPublic()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isPublic());
 	}
 
 	public function isDeprecated(): TrinaryLogic
@@ -108,35 +90,30 @@ public function getWritableType(): Type
 
 	public function canChangeTypeAfterAssignment(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->canChangeTypeAfterAssignment()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->canChangeTypeAfterAssignment());
 	}
 
 	public function isReadable(): bool
 	{
-		foreach ($this->properties as $property) {
-			if (!$property->isReadable()) {
-				return false;
-			}
-		}
-
-		return true;
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isReadable());
 	}
 
 	public function isWritable(): bool
 	{
+		return $this->computeResult(static fn (PropertyReflection $property) => $property->isWritable());
+	}
+
+	/**
+	 * @param callable(PropertyReflection): bool $cb
+	 */
+	private function computeResult(callable $cb): bool
+	{
+		$result = true;
 		foreach ($this->properties as $property) {
-			if (!$property->isWritable()) {
-				return false;
-			}
+			$result = $result && $cb($property);
 		}
 
-		return true;
+		return $result;
 	}
 
 }

Diff for: tests/PHPStan/Rules/Properties/WritingToReadOnlyPropertiesRuleTest.php

@@ -69,6 +69,10 @@ public function testObjectShapes(): void
 				'Property object{foo: int, bar?: string}::$foo is not writable.',
 				18,
 			],
+			[
+				'Property object{foo: int}|stdClass::$foo is not writable.',
+				42,
+			],
 		]);
 	}
 

Diff for: tests/PHPStan/Rules/Properties/data/properties-object-shapes.php

@@ -20,4 +20,26 @@ public function doFoo(object $o): void
 		$o->baz = 3;
 	}
 
+	/**
+	 * @param object{foo: int}&\stdClass $o
+	 * @return void
+	 */
+	public function doIntersection(object $o): void
+	{
+		echo $o->foo;
+
+		$o->foo = 1;
+	}
+
+	/**
+	 * @param object{foo: int}|\stdClass $o
+	 * @return void
+	 */
+	public function doUnion(object $o): void
+	{
+		echo $o->foo;
+
+		$o->foo = 1;
+	}
+
 }