pass through glue (#1)

* pass through glue

* remove old php versions from ci

* downgrade phpunit for 7.0 compatability

.circleci/config.yml

@@ -22,18 +22,6 @@ defaults: &defaults
 
 version: 2
 jobs:
-  build-php54:
-    <<: *defaults
-    docker:
-      - image: tomkay/docker-legacy-php:5.4-alpine
-  build-php55:
-    <<: *defaults
-    docker:
-      - image: tomkay/docker-legacy-php:5.5-alpine
-  build-php56:
-    <<: *defaults
-    docker:
-      - image: php:5.6-alpine
   build-php70:
     <<: *defaults
     docker:
@@ -59,9 +47,6 @@ workflows:
   version: 2
   build:
     jobs:
-      - build-php54
-      - build-php55
-      - build-php56
       - build-php70
       - build-php71
       - build-php72

composer.json

@@ -13,7 +13,7 @@
     "packaged/helpers": "^1.0||^2.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "~7.0"
+    "phpunit/phpunit": "~6.0"
   },
   "autoload": {
     "psr-4": {

src/SafeHtml.php

@@ -53,7 +53,12 @@ public static function escape($input, $arrayGlue = ' ')
 
     if(is_array($input))
     {
-      return new static(implode($arrayGlue, array_map([SafeHtml::class, 'escape'], $input)));
+      return new static(
+        implode(
+          $arrayGlue,
+          array_map(function ($input) use ($arrayGlue) { return SafeHtml::escape($input, $arrayGlue); }, $input)
+        )
+      );
     }
 
     if($input instanceof ISafeHtmlProducer)