diff --git a/src/Rules/Debug/DumpNativeTypeRule.php b/src/Rules/Debug/DumpNativeTypeRule.php
index b71c550578..4f7fcdbcf6 100644
--- a/src/Rules/Debug/DumpNativeTypeRule.php
+++ b/src/Rules/Debug/DumpNativeTypeRule.php
@@ -35,7 +35,8 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		if (count($node->getArgs()) === 0) {
+		$args = $node->getArgs();
+		if (count($args) === 0) {
 			return [];
 		}
 
@@ -48,14 +49,17 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		return [
-			RuleErrorBuilder::message(
+		$errors = [];
+		foreach ($args as $arg) {
+			$errors[] = RuleErrorBuilder::message(
 				sprintf(
 					'Dumped type: %s',
-					$scope->getNativeType($node->getArgs()[0]->value)->describe(VerbosityLevel::precise()),
+					$scope->getNativeType($arg->value)->describe(VerbosityLevel::precise()),
 				),
-			)->nonIgnorable()->identifier('phpstan.dumpNativeType')->build(),
-		];
+			)->nonIgnorable()->identifier('phpstan.dumpNativeType')->build();
+		}
+
+		return $errors;
 	}
 
 }
diff --git a/src/Rules/Debug/DumpPhpDocTypeRule.php b/src/Rules/Debug/DumpPhpDocTypeRule.php
index e91817d887..da5c74debe 100644
--- a/src/Rules/Debug/DumpPhpDocTypeRule.php
+++ b/src/Rules/Debug/DumpPhpDocTypeRule.php
@@ -35,7 +35,8 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		if (count($node->getArgs()) === 0) {
+		$args = $node->getArgs();
+		if (count($args) === 0) {
 			return [];
 		}
 
@@ -48,14 +49,17 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		return [
-			RuleErrorBuilder::message(
+		$errors = [];
+		foreach ($args as $arg) {
+			$errors[] = RuleErrorBuilder::message(
 				sprintf(
 					'Dumped type: %s',
-					$this->printer->print($scope->getType($node->getArgs()[0]->value)->toPhpDocNode()),
+					$this->printer->print($scope->getType($arg->value)->toPhpDocNode()),
 				),
-			)->nonIgnorable()->identifier('phpstan.dumpPhpDocType')->build(),
-		];
+			)->nonIgnorable()->identifier('phpstan.dumpPhpDocType')->build();
+		}
+
+		return $errors;
 	}
 
 }
diff --git a/src/Rules/Debug/DumpTypeRule.php b/src/Rules/Debug/DumpTypeRule.php
index edbf5cb1ce..2cbd8adaa9 100644
--- a/src/Rules/Debug/DumpTypeRule.php
+++ b/src/Rules/Debug/DumpTypeRule.php
@@ -35,7 +35,8 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		if (count($node->getArgs()) === 0) {
+		$args = $node->getArgs();
+		if (count($args) === 0) {
 			return [];
 		}
 
@@ -48,14 +49,17 @@ public function processNode(Node $node, Scope $scope): array
 			return [];
 		}
 
-		return [
-			RuleErrorBuilder::message(
+		$errors = [];
+		foreach ($args as $arg) {
+			$errors[] = RuleErrorBuilder::message(
 				sprintf(
 					'Dumped type: %s',
-					$scope->getType($node->getArgs()[0]->value)->describe(VerbosityLevel::precise()),
+					$scope->getType($arg->value)->describe(VerbosityLevel::precise()),
 				),
-			)->nonIgnorable()->identifier('phpstan.dumpType')->build(),
-		];
+			)->nonIgnorable()->identifier('phpstan.dumpType')->build();
+		}
+
+		return $errors;
 	}
 
 }
diff --git a/src/dumpType.php b/src/dumpType.php
index 64da7d525b..5fe276ceaf 100644
--- a/src/dumpType.php
+++ b/src/dumpType.php
@@ -5,11 +5,12 @@
 /**
  * @phpstan-pure
  * @param mixed $value
+ * @param mixed $values
  * @return mixed
  *
  * @throws void
  */
-function dumpType($value) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
+function dumpType($value, ...$values) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
 {
 	return null;
 }
@@ -17,11 +18,12 @@ function dumpType($value) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
 /**
  * @phpstan-pure
  * @param mixed $value
+ * @param mixed $values
  * @return mixed
  *
  * @throws void
  */
-function dumpNativeType($value) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
+function dumpNativeType($value, ...$values) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
 {
 	return null;
 }
@@ -29,11 +31,12 @@ function dumpNativeType($value) // phpcs:ignore Squiz.Functions.GlobalFunction.F
 /**
  * @phpstan-pure
  * @param mixed $value
+ * @param mixed $values
  * @return mixed
  *
  * @throws void
  */
-function dumpPhpDocType($value) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
+function dumpPhpDocType($value, ...$values) // phpcs:ignore Squiz.Functions.GlobalFunction.Found
 {
 	return null;
 }
diff --git a/tests/PHPStan/Rules/Debug/DumpNativeTypeRuleTest.php b/tests/PHPStan/Rules/Debug/DumpNativeTypeRuleTest.php
index 71aba72e45..4df1299af3 100644
--- a/tests/PHPStan/Rules/Debug/DumpNativeTypeRuleTest.php
+++ b/tests/PHPStan/Rules/Debug/DumpNativeTypeRuleTest.php
@@ -27,6 +27,14 @@ public function testRule(): void
 				'Dumped type: array',
 				12,
 			],
+			[
+				'Dumped type: non-empty-array',
+				14,
+			],
+			[
+				'Dumped type: array',
+				14,
+			],
 		]);
 	}
 
diff --git a/tests/PHPStan/Rules/Debug/DumpPhpDocTypeRuleTest.php b/tests/PHPStan/Rules/Debug/DumpPhpDocTypeRuleTest.php
index 8b137b1611..d5cc525ef1 100644
--- a/tests/PHPStan/Rules/Debug/DumpPhpDocTypeRuleTest.php
+++ b/tests/PHPStan/Rules/Debug/DumpPhpDocTypeRuleTest.php
@@ -100,6 +100,14 @@ public function testRuleSymbols(): void
 				'Dumped type: T',
 				36,
 			],
+			[
+				'Dumped type: array{1: 1}',
+				41,
+			],
+			[
+				'Dumped type: array{2: 2}',
+				41,
+			],
 		]);
 	}
 
diff --git a/tests/PHPStan/Rules/Debug/DumpTypeRuleTest.php b/tests/PHPStan/Rules/Debug/DumpTypeRuleTest.php
index fb4c489dea..acc55c027b 100644
--- a/tests/PHPStan/Rules/Debug/DumpTypeRuleTest.php
+++ b/tests/PHPStan/Rules/Debug/DumpTypeRuleTest.php
@@ -50,6 +50,20 @@ public function testRuleInUse(): void
 		]);
 	}
 
+	public function testRuleWithMultipleVars(): void
+	{
+		$this->analyse([__DIR__ . '/data/dump-type-variadic.php'], [
+			[
+				'Dumped type: non-empty-array',
+				10,
+			],
+			[
+				'Dumped type: array',
+				10,
+			],
+		]);
+	}
+
 	public function testBug7803(): void
 	{
 		$this->analyse([__DIR__ . '/data/bug-7803.php'], [
diff --git a/tests/PHPStan/Rules/Debug/data/dump-native-type.php b/tests/PHPStan/Rules/Debug/data/dump-native-type.php
index e475cf1aef..ec3cb6ac04 100644
--- a/tests/PHPStan/Rules/Debug/data/dump-native-type.php
+++ b/tests/PHPStan/Rules/Debug/data/dump-native-type.php
@@ -10,4 +10,6 @@ function (array $a, array $b) {
 
 	dumpNativeType($a);
 	dumpNativeType($b);
+
+	dumpNativeType($a, $b);
 };
diff --git a/tests/PHPStan/Rules/Debug/data/dump-phpdoc-type.php b/tests/PHPStan/Rules/Debug/data/dump-phpdoc-type.php
index 2b5c9c1d40..760653e5c6 100644
--- a/tests/PHPStan/Rules/Debug/data/dump-phpdoc-type.php
+++ b/tests/PHPStan/Rules/Debug/data/dump-phpdoc-type.php
@@ -37,3 +37,5 @@ function id($value)
 
 	return $value;
 }
+
+dumpPhpDocType([1 => 1], [2 => 2]);
diff --git a/tests/PHPStan/Rules/Debug/data/dump-type-variadic.php b/tests/PHPStan/Rules/Debug/data/dump-type-variadic.php
new file mode 100644
index 0000000000..5bfca23640
--- /dev/null
+++ b/tests/PHPStan/Rules/Debug/data/dump-type-variadic.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace PHPStan;
+
+function (array $a, array $b) {
+	if ($a === []) {
+		return;
+	}
+
+	dumpType($a, $b);
+};
diff --git a/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php b/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
index 45692c1ea7..b1bd56a825 100644
--- a/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
+++ b/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
@@ -2679,6 +2679,24 @@ public function testBug8936(): void
 		$this->analyse([__DIR__ . '/data/bug-8936.php'], []);
 	}
 
+	public function testDumpFunctions(): void
+	{
+		$this->analyse([__DIR__ . '/data/dump-functions.php'], [
+			[
+				'Function PHPStan\dumpType invoked with 0 parameters, at least 1 required.',
+				13,
+			],
+			[
+				'Function PHPStan\dumpNativeType invoked with 0 parameters, at least 1 required.',
+				14,
+			],
+			[
+				'Function PHPStan\dumpPhpDocType invoked with 0 parameters, at least 1 required.',
+				15,
+			],
+		]);
+	}
+
 	public function testBug14012(): void
 	{
 		$this->checkExplicitMixed = true;
diff --git a/tests/PHPStan/Rules/Functions/data/dump-functions.php b/tests/PHPStan/Rules/Functions/data/dump-functions.php
new file mode 100644
index 0000000000..826b65d4b1
--- /dev/null
+++ b/tests/PHPStan/Rules/Functions/data/dump-functions.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace DumpFunctions;
+
+use function PHPStan\dumpType;
+use function PHPStan\dumpNativeType;
+use function PHPStan\dumpPhpdocType;
+
+class HelloWorld
+{
+	public function sayHello(): void
+	{
+		dumpType();
+		dumpNativeType();
+		dumpPhpdocType();
+
+		dumpType(1, 2, 3);
+		dumpNativeType(1, 2, 3);
+		dumpPhpdocType(1, 2, 3);
+	}
+}