[Config] fixed handling of negative integer in XML support

fabpot · fabpot · commit 4e45067c8eaf · 2013-08-13T13:38:43.000+02:00
diff --git a/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php b/src/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
@@ -112,6 +112,7 @@ public function getDataForPhpize()
             array(false, 'False'),
             array(0, '0'),
             array(1, '1'),
+            array(-1, '-1'),
             array(0777, '0777'),
             array(255, '0xFF'),
             array(100.0, '1e2'),
diff --git a/src/Symfony/Component/Config/Util/XmlUtils.php b/src/Symfony/Component/Config/Util/XmlUtils.php
@@ -187,11 +187,16 @@ public static function phpize($value)
                 $cast = intval($value);
 
                 return '0' == $value[0] ? octdec($value) : (((string) $raw == (string) $cast) ? $cast : $raw);
+            case '-' === $value[0] && ctype_digit(substr($value, 1)):
+                $raw = $value;
+                $cast = intval($value);
+
+                return '0' == $value[1] ? octdec($value) : (((string) $raw == (string) $cast) ? $cast : $raw);
             case 'true' === $lowercaseValue:
                 return true;
             case 'false' === $lowercaseValue:
                 return false;
-            case strlen($value) > 2 && '0b' == $value[0].$value[1]:
+            case isset($value[1]) && '0b' == $value[0].$value[1]:
                 return bindec($value);
             case is_numeric($value):
                 return '0x' == $value[0].$value[1] ? hexdec($value) : floatval($value);
