Helpers::dump() native dumping of DateTime & DateTimeImmutable

Author: dg

src/PhpGenerator/Helpers.php

@@ -102,12 +102,16 @@ private static function _dump(& $var, $level = 0)
 			throw new Nette\InvalidArgumentException('Cannot dump closure.');
 
 		} elseif (is_object($var)) {
+			$class = get_class($var);
 			if (PHP_VERSION_ID >= 70000 && (new \ReflectionObject($var))->isAnonymous()) {
 				throw new Nette\InvalidArgumentException('Cannot dump anonymous class.');
+
+			} elseif (in_array($class, ['DateTime', 'DateTimeImmutable'], TRUE)) {
+				return self::formatArgs("new $class(?, new DateTimeZone(?))", [$var->format('Y-m-d H:i:s.u'), $var->getTimeZone()->getName()]);
 			}
+
 			$arr = (array) $var;
 			$space = str_repeat("\t", $level);
-			$class = get_class($var);
 
 			static $list = [];
 			if ($level > self::MAX_DEPTH || in_array($var, $list, TRUE)) {

tests/PhpGenerator/Helpers.dump().phpt

@@ -94,3 +94,21 @@ Assert::equal(new Test3, eval('return ' . Helpers::dump(new Test3) . ';'));
 Assert::exception(function () {
 	Helpers::dump(function () {});
 }, Nette\InvalidArgumentException::class, 'Cannot dump closure.');
+
+
+
+class TestDateTime extends DateTime
+{}
+
+Assert::same(
+	"new DateTime('2016-06-22 20:52:43.123400', new DateTimeZone('Europe/Prague'))",
+	Helpers::dump(new DateTime('2016-06-22 20:52:43.1234', new DateTimeZone('Europe/Prague')))
+);
+Assert::same(
+	"new DateTimeImmutable('2016-06-22 20:52:43.123400', new DateTimeZone('Europe/Prague'))",
+	Helpers::dump(new DateTimeImmutable('2016-06-22 20:52:43.1234', new DateTimeZone('Europe/Prague')))
+);
+Assert::match(
+	"Nette\\PhpGenerator\\Helpers::createObject('TestDateTime', %A%)",
+	Helpers::dump(new TestDateTime('2016-06-22 20:52:43.1234', new DateTimeZone('Europe/Prague')))
+);