Allow PHP-Parser 4.x to install

ondrejmirtes · ondrejmirtes · commit f4bcc977804b · 2018-03-01T10:20:13.000+01:00
diff --git a/composer.json b/composer.json
@@ -12,7 +12,7 @@
 	"require": {
 		"php": "~7.1",
 		"phpstan/phpstan": "^0.10",
-		"nikic/php-parser": "^3.1"
+		"nikic/php-parser": "^3.1|^4.0"
 	},
 	"require-dev": {
 		"consistence/coding-standard": "^2.0.0",
