Allow installation on HHVM

JeroenDeDauw · JeroenDeDauw · commit ca84f474e3fc · 2019-04-10T13:04:49.000+02:00
diff --git a/composer.json b/composer.json
@@ -3,7 +3,7 @@
 	"license": "BSD-3-Clause",
 	"description": "Small library for looking up terms by item or property id or findings ids by term",
 	"require": {
-		"php": "^7.0",
+		"php": "^5.6.99|^7.0",
 		"wikibase/data-model": "~9.1"
 	},
 	"require-dev": {
