Dumper::toPhp() dumps true/false/null in lowercase

Author: dg

src/Framework/Dumper.php

@@ -139,7 +139,10 @@ private static function _toPhp(&$var, &$list = [], $level = 0, &$line = 1)
 			return strpos($var, '.') === false ? $var . '.0' : $var;
 
 		} elseif (is_bool($var)) {
-			return $var ? 'TRUE' : 'FALSE';
+			return $var ? 'true' : 'false';
+
+		} elseif ($var === null) {
+			return 'null';
 
 		} elseif (is_string($var) && (preg_match('#[^\x09\x20-\x7E\xA0-\x{10FFFF}]#u', $var) || preg_last_error())) {
 			static $table;

tests/Framework/Dumper.toPhp.phpt

@@ -14,9 +14,9 @@ class Test
 }
 
 
-Assert::match('NULL', Dumper::toPhp(null));
-Assert::match('TRUE', Dumper::toPhp(true));
-Assert::match('FALSE', Dumper::toPhp(false));
+Assert::match('null', Dumper::toPhp(null));
+Assert::match('true', Dumper::toPhp(true));
+Assert::match('false', Dumper::toPhp(false));
 Assert::match('0', Dumper::toPhp(0));
 Assert::match('1', Dumper::toPhp(1));
 Assert::match('0.0', Dumper::toPhp(0.0));
@@ -44,7 +44,7 @@ Assert::match("(object) /* #%a% */ [
 ]", Dumper::toPhp((object) ['a' => 'b']));
 
 Assert::match("Test::__set_state(/* #%a% */ [
-	'x' => [10, NULL],
+	'x' => [10, null],
 	'y' => 'hello',
 	'z' => 30.0,
 ])", Dumper::toPhp(new Test));