From 8dfeda01c1ddec9a2784ff68283546b236f6c3e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Haso=C5=88?= <martin.hason@gmail.com>
Date: Mon, 4 Aug 2014 07:09:00 +0200
Subject: [PATCH] Fixed "in" operator for resources and strings

---
 lib/Twig/Extension/Core.php            | 12 ++--
 test/Twig/Tests/Fixtures/tests/in.test | 82 +++++++++++++++++++++++++-
 2 files changed, 84 insertions(+), 10 deletions(-)

diff --git a/lib/Twig/Extension/Core.php b/lib/Twig/Extension/Core.php
index 6085bef84..c7061491c 100644
--- a/lib/Twig/Extension/Core.php
+++ b/lib/Twig/Extension/Core.php
@@ -934,15 +934,11 @@ function twig_sort_filter($array)
 function twig_in_filter($value, $compare)
 {
     if (is_array($compare)) {
-        return in_array($value, $compare, is_object($value));
-    } elseif (is_string($compare)) {
-        if (!strlen($value)) {
-            return empty($compare);
-        }
-
-        return false !== strpos($compare, (string) $value);
+        return in_array($value, $compare, is_object($value) || is_resource($value));
+    } elseif (is_string($compare) && (is_string($value) || is_int($value) || is_float($value))) {
+        return '' === $value || false !== strpos($compare, (string) $value);
     } elseif ($compare instanceof Traversable) {
-        return in_array($value, iterator_to_array($compare, false), is_object($value));
+        return in_array($value, iterator_to_array($compare, false), is_object($value) || is_resource($value));
     }
 
     return false;
diff --git a/test/Twig/Tests/Fixtures/tests/in.test b/test/Twig/Tests/Fixtures/tests/in.test
index 45c72fd2c..d212f5d89 100644
--- a/test/Twig/Tests/Fixtures/tests/in.test
+++ b/test/Twig/Tests/Fixtures/tests/in.test
@@ -18,7 +18,7 @@ TRUE
 {% if 'c' not in bar %}
 TRUE
 {% endif %}
-{% if '' not in bar %}
+{% if '' in bar %}
 TRUE
 {% endif %}
 {% if '' in '' %}
@@ -33,8 +33,47 @@ TRUE
 {% if '0' in '0' %}
 TRUE
 {% endif %}
+
+{{ false in [0, 1] ? 'TRUE' : 'FALSE' }}
+{{ true in [0, 1] ? 'TRUE' : 'FALSE' }}
+{{ '0' in [0, 1] ? 'TRUE' : 'FALSE' }}
+{{ '' in [0, 1] ? 'TRUE' : 'FALSE' }}
+{{ 0 in ['', 1] ? 'TRUE' : 'FALSE' }}
+
+{{ '' in 'foo' ? 'TRUE' : 'FALSE' }}
+{{ 0 in 'foo' ? 'TRUE' : 'FALSE' }}
+{{ false in 'foo' ? 'TRUE' : 'FALSE' }}
+{{ false in '100' ? 'TRUE' : 'FALSE' }}
+{{ true in '100' ? 'TRUE' : 'FALSE' }}
+
+{{ [] in [true, false] ? 'TRUE' : 'FALSE' }}
+{{ [] in [true, ''] ? 'TRUE' : 'FALSE' }}
+{{ [] in [true, []] ? 'TRUE' : 'FALSE' }}
+
+{{ resource in 'foo'~resource ? 'TRUE' : 'FALSE' }}
+{{ object in 'stdClass' ? 'TRUE' : 'FALSE' }}
+{{ [] in 'Array' ? 'TRUE' : 'FALSE' }}
+{{ dir_object in 'foo'~dir_object ? 'TRUE' : 'FALSE' }}
+
+{{ ''~resource in resource ? 'TRUE' : 'FALSE' }}
+{{ 'stdClass' in object ? 'TRUE' : 'FALSE' }}
+{{ 'Array' in [] ? 'TRUE' : 'FALSE' }}
+{{ ''~dir_object in dir_object ? 'TRUE' : 'FALSE' }}
+
+{{ resource in [''~resource] ? 'TRUE' : 'FALSE' }}
+{{ resource in [resource + 1 - 1] ? 'TRUE' : 'FALSE' }}
+{{ dir_object in [''~dir_object] ? 'TRUE' : 'FALSE' }}
+
+{{ 5 in 125 ? 'TRUE' : 'FALSE' }}
+{{ 5 in '125' ? 'TRUE' : 'FALSE' }}
+{{ '5' in 125 ? 'TRUE' : 'FALSE' }}
+{{ '5' in '125' ? 'TRUE' : 'FALSE' }}
+
+{{ 5.5 in 125.5 ? 'TRUE' : 'FALSE' }}
+{{ 5.5 in '125.5' ? 'TRUE' : 'FALSE' }}
+{{ '5.5' in 125.5 ? 'TRUE' : 'FALSE' }}
 --DATA--
-return array('bar' => 'bar', 'foo' => array('bar' => 'bar'))
+return array('bar' => 'bar', 'foo' => array('bar' => 'bar'), 'dir_object' => new SplFileInfo(dirname(__FILE__)), 'object' => new stdClass(), 'resource' => fopen(dirname(__FILE__), 'r'))
 --EXPECT--
 TRUE
 TRUE
@@ -46,3 +85,42 @@ TRUE
 TRUE
 TRUE
 TRUE
+
+TRUE
+TRUE
+TRUE
+TRUE
+TRUE
+
+TRUE
+FALSE
+FALSE
+FALSE
+FALSE
+
+TRUE
+FALSE
+TRUE
+
+FALSE
+FALSE
+FALSE
+FALSE
+
+FALSE
+FALSE
+FALSE
+FALSE
+
+FALSE
+FALSE
+FALSE
+
+FALSE
+TRUE
+FALSE
+TRUE
+
+FALSE
+TRUE
+FALSE