ParameterTypeHintSniff: Fixed false positive

Author: kukulich

SlevomatCodingStandard/Sniffs/TypeHints/ParameterTypeHintSniff.php

@@ -168,10 +168,16 @@ private function checkTypeHints(File $phpcsFile, int $functionPointer, array $pa
 						continue;
 					}
 
+					$isTraversable = TypeHintHelper::isTraversableType(TypeHintHelper::getFullyQualifiedTypeHint($phpcsFile, $functionPointer, $typeHint), $this->getTraversableTypeHints());
+
+					if (!$isTraversable && count($traversableTypeHints) > 0) {
+						continue 2;
+					}
+
 					if (
 						!$typeNode instanceof ArrayTypeNode
 						&& !$typeNode instanceof ArrayShapeNode
-						&& TypeHintHelper::isTraversableType(TypeHintHelper::getFullyQualifiedTypeHint($phpcsFile, $functionPointer, $typeHint), $this->getTraversableTypeHints())
+						&& $isTraversable
 					) {
 						$traversableTypeHints[] = $typeHint;
 					}

tests/Sniffs/TypeHints/data/parameterTypeHintNoErrors.php

@@ -183,4 +183,11 @@ public function moreTraverasableTypes($a)
 	{
 	}
 
+	/**
+	 * @param mixed[]|array|SomethingThatLooksAsArray $a
+	 */
+	public function moreDifferentTypes($a)
+	{
+	}
+
 }