From 106fe8a7b8aaf0e96db7799851f92cbb4b338be3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Barrois?= <raphael.barrois@polytechnique.org>
Date: Wed, 22 Jun 2011 00:06:02 +0200
Subject: [PATCH] Handle negative numbers in Env::i & co.
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Signed-off-by: Raphaël Barrois <raphael.barrois@polytechnique.org>
---
 include/misc.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/misc.inc.php b/include/misc.inc.php
index b60045d..edae818 100644
--- a/include/misc.inc.php
+++ b/include/misc.inc.php
@@ -384,7 +384,7 @@ function ends_with($string, $suffix, $caseSensitive = true)
  */
 function can_convert_to_integer($data)
 {
-    return is_int($data) || ctype_digit($data);
+    return is_int($data) || ctype_digit($data) || ($data[0] == '-' && ctype_digit(substr($data, 1)));
 }
 
 /** Interpret the input data as an integer or return false.
-- 
2.1.4