Presenter::argsToParams() computes default values for mandatory parameters with built-in typehint

Author: dg

src/Application/UI/Presenter.php

@@ -1035,7 +1035,6 @@ public static function argsToParams($class, $method, & $args, $supplemental = []
 				continue;
 			}
 
-			$def = $param->isDefaultValueAvailable() ? $param->getDefaultValue() : NULL;
 			list($type, $isClass) = PresenterComponentReflection::getParameterType($param);
 			if (!PresenterComponentReflection::convertType($args[$name], $type, $isClass)) {
 				throw new InvalidLinkException(sprintf(
@@ -1047,6 +1046,14 @@ public static function argsToParams($class, $method, & $args, $supplemental = []
 				));
 			}
 
+			if ($param->isDefaultValueAvailable()) {
+				$def = $param->getDefaultValue();
+			} else {
+				$def = NULL;
+				if (!$isClass) {
+					settype($def, $type);
+				}
+			}
 			if ($args[$name] === $def || ($def === NULL && $args[$name] === '')) {
 				$args[$name] = NULL; // value transmit is unnecessary
 			}

tests/UI/Presenter.link().php7.phpt

@@ -36,7 +36,7 @@ class TestPresenter extends Application\UI\Presenter
 		Assert::same('/index.php?var1=20&action=default&do=hint&presenter=Test', $this->link('hint!', ['var1' => $this->var1 * 2]));
 		Assert::same('/index.php?y=2&action=default&do=hint&presenter=Test', $this->link('hint!', 1, 2));
 		Assert::same('/index.php?y=2&bool=1&str=1&action=default&do=hint&presenter=Test', $this->link('hint!', '1', '2', TRUE, TRUE));
-		Assert::same('/index.php?y=0&bool=0&str=0&action=default&do=hint&presenter=Test', $this->link('hint!', '1', 0, FALSE, FALSE));
+		Assert::same('/index.php?str=0&action=default&do=hint&presenter=Test', $this->link('hint!', '1', 0, FALSE, FALSE));
 		Assert::same('/index.php?action=default&do=hint&presenter=Test', $this->link('hint!', ['str' => '', 'var2' => '']));
 		Assert::same('/index.php?action=default&do=hint&presenter=Test', $this->link('hint!', [1]));
 		Assert::same('#error: Argument $x passed to TestPresenter::handleHint() must be int, array given.', $this->link('hint!', [1], (object) [1]));