bug #2795 Fix float representation in compiled templates (fabpot)

This PR was merged into the 1.x branch.

Discussion
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Fix float representation in compiled templates

closes #2788

Commits
-------

e346c2ac fixed float representation in compiled templates

CHANGELOG

@@ -2,6 +2,7 @@
 
  * switched generated code to use the PHP short array notation
  * dropped PHP 5.3 support
+ * fixed float representation in compiled templates
  * added a second argument to the join filter (last separator configuration)
 
 * 1.36.0 (2018-12-16)

lib/Twig/Compiler.php

@@ -175,7 +175,7 @@ class Twig_Compiler implements Twig_CompilerInterface
                 setlocale(LC_NUMERIC, 'C');
             }
 
-            $this->raw($value);
+            $this->raw(var_export($value, true));
 
             if (false !== $locale) {
                 setlocale(LC_NUMERIC, $locale);

test/Twig/Tests/Fixtures/expressions/floats.test

@@ -0,0 +1,14 @@
+--TEST--
+Twig compiles floats properly
+--TEMPLATE--
+{% set val2 = 0.0 %}
+
+{{ val is same as (0.0) ? 'Yes' : 'No' }}
+{{ val2 is same as (0.0) ? 'Yes' : 'No' }}
+{{ val is same as (val2) ? 'Yes' : 'No' }}
+--DATA--
+return array('val' => 0.0)
+--EXPECT--
+Yes
+Yes
+Yes