bug #955 Update for Twig 2.7: Template -> TemplateWrapper (bobdenotter)

This PR was squashed before being merged into the master branch (closes #955).

Discussion
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Update for Twig 2.7: `Template` -> `TemplateWrapper`

Since Twig 2.7, `$twig->resolveTemplate($template)` doesn't return `Twig\Template` but `Twig\TemplateWrapper`. This PR simply updates the typehints accordingly.

Commits
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a6bc991 Update for Twig 2.7: `Template` -> `TemplateWrapper`

Author: javiereguiluz

composer.lock

@@ -13,7 +13,7 @@
 
 use Twig\Environment;
 use Twig\Extension\AbstractExtension;
-use Twig\Template;
+use Twig\TemplateWrapper;
 use Twig\TwigFunction;
 
 /**
@@ -92,7 +92,7 @@ private function getCallableReflector(callable $callable): \ReflectionFunctionAb
         return new \ReflectionFunction($callable);
     }
 
-    private function getTemplateSource(Template $template): array
+    private function getTemplateSource(TemplateWrapper $template): array
     {
         $templateSource = $template->getSourceContext();
 

src/Twig/SourceCodeExtension.php

@@ -290,9 +290,15 @@
     "symfony/polyfill-ctype": {
         "version": "1.9-dev"
     },
+    "symfony/polyfill-iconv": {
+        "version": "v1.10.0"
+    },
     "symfony/polyfill-intl-icu": {
         "version": "1.9-dev"
     },
+    "symfony/polyfill-intl-idn": {
+        "version": "v1.10.0"
+    },
     "symfony/polyfill-mbstring": {
         "version": "1.9-dev"
     },