Fix switcher extension (#20)

* PHPStan\Type\MixedType does not have `getValue()` method, get boolean value for `raw` instead.

* Update tests expectation, stricter now.

Author: Hug0-Drelon

src/GuessTypeFromSwitcherAttributes.php

@@ -34,9 +34,11 @@ private function guessType(Arg $args, Scope $scope) : Type
 
 			if ($argsType instanceof IntersectionType && $argsType->isIterable()) {
 				// Let's look into each types to see if it contains 'raw' key.
-				foreach($argsType->getTypes() as $type) {
-					if ($type->hasOffsetValueType(new ConstantStringType('raw'))->yes()) {
-						$isRaw = $type->getOffsetValueType(new ConstantStringType('raw'))->getValue() ? TrinaryLogic::createYes() : TrinaryLogic::createNo();
+				$types = $argsType->getTypes();
+				foreach($types as $type) {
+					$rawKey = new ConstantStringType('raw');
+					if ($type->hasOffsetValueType($rawKey)->yes()) {
+						$isRaw = $type->getOffsetValueType($rawKey)->toBoolean()->isTrue() ? TrinaryLogic::createYes() : TrinaryLogic::createNo();
 					}
 				}
 			}

tests/data/get_languages_list.php

@@ -30,7 +30,7 @@
 assertType('array<int, mixed>', $model->get_languages_list($array));
 
 // With array_merge() result passed as parameter.
-assertType('array<int, mixed>', $model->get_languages_list(array_merge($array, ['fields' => 'slug'])));
+assertType('array<int, string>', $model->get_languages_list(array_merge($array, ['fields' => 'slug'])));
 
 // With 'fields' key set on top of variable containing unknown data.
 $array['fields'] = 'slug';

tests/data/pll_the_languages.php

@@ -40,7 +40,7 @@
 
 // With unknown variable merged.
 $args = array_merge( [ 'raw' => 1 ], $options );
-assertType('array<string, mixed>|string', pll_the_languages($args));
+assertType('array<string, mixed>', pll_the_languages($args));
 
 // With raw attribute set to true outside.
 $array['raw'] = 1;

tests/data/the_languages.php

@@ -43,7 +43,7 @@
 
 // With unknown variable merged.
 $args = array_merge( $array, [ 'raw' => 1 ] );
-assertType('array<string, mixed>|string', $switcher->the_languages($link, $args));
+assertType('array<string, mixed>', $switcher->the_languages($link, $args));
 
 // With raw attribute set to true outside.
 $array['raw'] = 1;