added Reflection::getPropertyType() (for PHP 7.4)

Author: dg

src/Utils/Reflection.php

@@ -47,6 +47,14 @@ public static function getParameterType(\ReflectionParameter $param): ?string
 	}
 
 
+	public static function getPropertyType(\ReflectionProperty $prop): ?string
+	{
+		return PHP_VERSION_ID >= 70400 && $prop->hasType()
+			? self::normalizeType($prop->getType()->getName(), $prop)
+			: null;
+	}
+
+
 	private static function normalizeType(string $type, $reflection): string
 	{
 		$lower = strtolower($type);

tests/Utils/Reflection.getPropertyType.phptx

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Test: Nette\Utils\Reflection::getPropertyType
+ * @phpversion 7.4
+ */
+
+declare(strict_types=1);
+
+use Nette\Utils\Reflection;
+use Test\B; // for testing purposes
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+class A
+{
+	public Undeclared $undeclared;
+	public B $b;
+	public array $array;
+	public self $self;
+	public $none;
+	public ?B $nullable;
+}
+
+class AExt extends A
+{
+	public parent $parent;
+}
+
+$class = new ReflectionClass('A');
+$props = $class->getProperties();
+
+Assert::same('Undeclared', Reflection::getPropertyType($props[0]));
+Assert::same('Test\B', Reflection::getPropertyType($props[1]));
+Assert::same('array', Reflection::getPropertyType($props[2]));
+Assert::same('A', Reflection::getPropertyType($props[3]));
+Assert::null(Reflection::getPropertyType($props[4]));
+Assert::same('Test\B', Reflection::getPropertyType($props[5]));
+
+$class = new ReflectionClass('AExt');
+$props = $class->getProperties();
+
+Assert::same('A', Reflection::getPropertyType($props[0]));