improve names

Author: staabm

src/Analyser/TypeSpecifier.php

@@ -1579,16 +1579,16 @@ private function getConditionalSpecifiedTypes(
 		if (!array_key_exists($parameterName, $argsMap)) {
 			return null;
 		}
-		$parameterExpr = $argsMap[$parameterName];
+		$argumentExpr = $argsMap[$parameterName];
 
 		$targetType = $conditionalType->getTarget();
 		$ifType = $conditionalType->getIf();
 		$elseType = $conditionalType->getElse();
 
 		if (
 			(
-				$parameterExpr instanceof Node\Scalar
-				|| ($parameterExpr instanceof ConstFetch && in_array(strtolower($parameterExpr->name->toString()), ['true', 'false', 'null'], true))
+				$argumentExpr instanceof Node\Scalar
+				|| ($argumentExpr instanceof ConstFetch && in_array(strtolower($argumentExpr->name->toString()), ['true', 'false', 'null'], true))
 			)
 			&& $targetType->isConstantScalarValue()->yes()
 		) {
@@ -1604,7 +1604,7 @@ private function getConditionalSpecifiedTypes(
 		}
 
 		$specifiedTypes = $this->create(
-			$parameterExpr,
+			$argumentExpr,
 			$targetType,
 			$context,
 			$scope,
@@ -1615,7 +1615,7 @@ private function getConditionalSpecifiedTypes(
 				$context = $context->negate();
 			}
 
-			$specifiedTypes = $specifiedTypes->unionWith($this->specifyTypesInCondition($scope, $parameterExpr, $context));
+			$specifiedTypes = $specifiedTypes->unionWith($this->specifyTypesInCondition($scope, $argumentExpr, $context));
 		}
 
 		return $specifiedTypes;