From 09332136b282399b6a33c09d6f4b09339e16a6b6 Mon Sep 17 00:00:00 2001
From: Marc Bennewitz <marc@mabe.berlin>
Date: Sun, 5 Nov 2017 15:36:54 +0100
Subject: [PATCH] fixed #30 - wrong use of variable variables

---
 composer.json                |   2 +-
 composer.lock                | 638 +++++++++++++++++++++++++++++++------------
 src/Adapter/PythonPickle.php |  11 +-
 3 files changed, 463 insertions(+), 188 deletions(-)

diff --git a/composer.json b/composer.json
index 9da0982..70c1a98 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         "zendframework/zend-math": "^2.6",
         "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3",
         "squizlabs/php_codesniffer": "^2.3.1",
-        "phpunit/phpunit": "^4.5"
+        "phpunit/phpunit": "^5.5"
     },
     "suggest": {
         "zendframework/zend-math": "(^2.6 || ^3.0) To support Python Pickle serialization",
diff --git a/composer.lock b/composer.lock
index f79e1cb..e331e02 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "6f27a6846cf487fb136e6f34dd53ec81",
-    "content-hash": "3a061fde20510fe515dc90291b4b4db6",
+    "hash": "5cf99757a251156c6e7122ddc5e71ea0",
+    "content-hash": "b299f84a2b7ce3339b7931b313a55969",
     "packages": [
         {
             "name": "zendframework/zend-json",
@@ -59,31 +59,31 @@
         },
         {
             "name": "zendframework/zend-stdlib",
-            "version": "3.0.1",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/zendframework/zend-stdlib.git",
-                "reference": "8bafa58574204bdff03c275d1d618aaa601588ae"
+                "reference": "debedcfc373a293f9250cc9aa03cf121428c8e78"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/zend-stdlib/zipball/8bafa58574204bdff03c275d1d618aaa601588ae",
-                "reference": "8bafa58574204bdff03c275d1d618aaa601588ae",
+                "url": "https://api.github.com/repos/zendframework/zend-stdlib/zipball/debedcfc373a293f9250cc9aa03cf121428c8e78",
+                "reference": "debedcfc373a293f9250cc9aa03cf121428c8e78",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5 || ^7.0"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
                 "athletic/athletic": "~0.1",
-                "fabpot/php-cs-fixer": "1.7.*",
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "~4.0",
+                "squizlabs/php_codesniffer": "^2.6.2"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev",
-                    "dev-develop": "3.1-dev"
+                    "dev-master": "3.1-dev",
+                    "dev-develop": "3.2-dev"
                 }
             },
             "autoload": {
@@ -100,24 +100,27 @@
                 "stdlib",
                 "zf2"
             ],
-            "time": "2016-04-12 21:19:36"
+            "time": "2016-09-13 14:38:50"
         }
     ],
     "packages-dev": [
         {
             "name": "container-interop/container-interop",
-            "version": "1.1.0",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/container-interop/container-interop.git",
-                "reference": "fc08354828f8fd3245f77a66b9e23a6bca48297e"
+                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/container-interop/container-interop/zipball/fc08354828f8fd3245f77a66b9e23a6bca48297e",
-                "reference": "fc08354828f8fd3245f77a66b9e23a6bca48297e",
+                "url": "https://api.github.com/repos/container-interop/container-interop/zipball/79cbf1341c22ec75643d841642dd5d6acd83bdb8",
+                "reference": "79cbf1341c22ec75643d841642dd5d6acd83bdb8",
                 "shasum": ""
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+            "require": {
+                "psr/container": "^1.0"
+            },
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -129,7 +132,8 @@
                 "MIT"
             ],
             "description": "Promoting the interoperability of container objects (DIC, SL, etc.)",
-            "time": "2014-12-30 15:22:37"
+            "homepage": "https://github.com/container-interop/container-interop",
+            "time": "2017-02-14 19:40:03"
         },
         {
             "name": "doctrine/instantiator",
@@ -186,17 +190,62 @@
             "time": "2015-06-14 21:17:01"
         },
         {
+            "name": "myclabs/deep-copy",
+            "version": "1.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/myclabs/DeepCopy.git",
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "require-dev": {
+                "doctrine/collections": "^1.0",
+                "doctrine/common": "^2.6",
+                "phpunit/phpunit": "^4.1"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DeepCopy\\": "src/DeepCopy/"
+                },
+                "files": [
+                    "src/DeepCopy/deep_copy.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Create deep copies (clones) of your objects",
+            "keywords": [
+                "clone",
+                "copy",
+                "duplicate",
+                "object",
+                "object graph"
+            ],
+            "time": "2017-10-19 19:58:43"
+        },
+        {
             "name": "phpdocumentor/reflection-common",
-            "version": "1.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionCommon.git",
-                "reference": "144c307535e82c8fdcaacbcfc1d6d8eeb896687c"
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6"
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             "dist": {
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-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/144c307535e82c8fdcaacbcfc1d6d8eeb896687c",
-                "reference": "144c307535e82c8fdcaacbcfc1d6d8eeb896687c",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
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             },
             "require": {
@@ -237,26 +286,26 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2015-12-27 11:43:31"
+            "time": "2017-09-11 18:02:19"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "3.1.0",
+            "version": "4.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "9270140b940ff02e58ec577c237274e92cd40cdd"
+                "reference": "2d3d238c433cf69caeb4842e97a3223a116f94b2"
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             "dist": {
                 "type": "zip",
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-                "reference": "9270140b940ff02e58ec577c237274e92cd40cdd",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/2d3d238c433cf69caeb4842e97a3223a116f94b2",
+                "reference": "2d3d238c433cf69caeb4842e97a3223a116f94b2",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5",
+                "php": "^7.0",
                 "phpdocumentor/reflection-common": "^1.0@dev",
-                "phpdocumentor/type-resolver": "^0.2.0",
+                "phpdocumentor/type-resolver": "^0.4.0",
                 "webmozart/assert": "^1.0"
             },
             "require-dev": {
@@ -282,24 +331,24 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2016-06-10 09:48:41"
+            "time": "2017-08-30 18:51:59"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "0.2",
+            "version": "0.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "b39c7a5b194f9ed7bd0dd345c751007a41862443"
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7"
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-                "reference": "b39c7a5b194f9ed7bd0dd345c751007a41862443",
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             "require": {
-                "php": ">=5.5",
+                "php": "^5.5 || ^7.0",
                 "phpdocumentor/reflection-common": "^1.0"
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             "require-dev": {
@@ -329,36 +378,37 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2016-06-10 07:14:17"
+            "time": "2017-07-14 14:27:02"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.1",
+            "version": "v1.7.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0"
+                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6"
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-                "reference": "58a8137754bc24b25740d4281399a4a3596058e0",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
+                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
                 "shasum": ""
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             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
-                "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0"
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
+                "sebastian/comparator": "^1.1|^2.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0"
+                "phpspec/phpspec": "^2.5|^3.2",
+                "phpunit/phpunit": "^4.8 || ^5.6.5"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6.x-dev"
+                    "dev-master": "1.7.x-dev"
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@@ -391,43 +441,44 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-06-07 08:13:47"
+            "time": "2017-09-04 11:05:03"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "2.2.4",
+            "version": "4.0.8",
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                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
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-                "phpunit/php-token-stream": "~1.3",
-                "sebastian/environment": "^1.3.2",
-                "sebastian/version": "~1.0"
+                "ext-dom": "*",
+                "ext-xmlwriter": "*",
+                "php": "^5.6 || ^7.0",
+                "phpunit/php-file-iterator": "^1.3",
+                "phpunit/php-text-template": "^1.2",
+                "phpunit/php-token-stream": "^1.4.2 || ^2.0",
+                "sebastian/code-unit-reverse-lookup": "^1.0",
+                "sebastian/environment": "^1.3.2 || ^2.0",
+                "sebastian/version": "^1.0 || ^2.0"
             },
             "require-dev": {
-                "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "~4"
+                "ext-xdebug": "^2.1.4",
+                "phpunit/phpunit": "^5.7"
             },
             "suggest": {
-                "ext-dom": "*",
-                "ext-xdebug": ">=2.2.1",
-                "ext-xmlwriter": "*"
+                "ext-xdebug": "^2.5.1"
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             "type": "library",
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-                    "dev-master": "2.2.x-dev"
+                    "dev-master": "4.0.x-dev"
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@@ -453,20 +504,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-10-06 15:47:00"
+            "time": "2017-04-02 07:44:40"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.4.1",
+            "version": "1.4.2",
             "source": {
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                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0"
+                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5"
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-                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
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             "require": {
@@ -500,7 +551,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2016-10-03 07:40:28"
         },
         {
             "name": "phpunit/php-text-template",
@@ -545,25 +596,30 @@
         },
         {
             "name": "phpunit/php-timer",
-            "version": "1.0.8",
+            "version": "1.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-timer.git",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260"
+                "reference": "3dcf38ca72b158baf0bc245e9184d3fdffa9c46f"
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-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260",
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             "require": {
-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
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             "require-dev": {
-                "phpunit/phpunit": "~4|~5"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
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@@ -585,33 +641,33 @@
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-            "time": "2016-05-12 18:03:57"
+            "time": "2017-02-26 11:10:40"
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.8",
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+                "phpunit/phpunit": "^6.2.4"
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+                    "dev-master": "2.0-dev"
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@@ -634,44 +690,54 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2015-09-15 10:49:45"
+            "time": "2017-08-20 05:47:52"
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-            "version": "4.8.26",
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-                "php": ">=5.3.3",
-                "phpspec/prophecy": "^1.3.1",
-                "phpunit/php-code-coverage": "~2.1",
+                "ext-libxml": "*",
+                "ext-mbstring": "*",
+                "ext-xml": "*",
+                "myclabs/deep-copy": "~1.3",
+                "php": "^5.6 || ^7.0",
+                "phpspec/prophecy": "^1.6.2",
+                "phpunit/php-code-coverage": "^4.0.4",
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             "homepage": "https://symfony.com",
-            "time": "2016-06-14 11:18:07"
+            "time": "2017-10-05 14:43:42"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.0.2",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde"
+                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde",
-                "reference": "30eed06dd6bc88410a4ff7f77b6d22f3ce13dbde",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/2db61e59ff05fe5126d152bd0655c9ea113e550f",
+                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.6"
+                "phpunit/phpunit": "^4.6",
+                "sebastian/version": "^1.0.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0-dev"
+                    "dev-master": "1.3-dev"
                 }
             },
             "autoload": {
@@ -1310,7 +1576,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2015-08-24 13:29:44"
+            "time": "2016-11-23 20:04:58"
         },
         {
             "name": "zendframework/zend-math",
@@ -1364,40 +1630,48 @@
         },
         {
             "name": "zendframework/zend-servicemanager",
-            "version": "3.1.0",
+            "version": "3.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/zendframework/zend-servicemanager.git",
-                "reference": "90b88339a4b937c6bb0055ee04b2567e7e628f25"
+                "reference": "c3036efb81f71bfa36cc9962ee5d4474f36581d0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/zend-servicemanager/zipball/90b88339a4b937c6bb0055ee04b2567e7e628f25",
-                "reference": "90b88339a4b937c6bb0055ee04b2567e7e628f25",
+                "url": "https://api.github.com/repos/zendframework/zend-servicemanager/zipball/c3036efb81f71bfa36cc9962ee5d4474f36581d0",
+                "reference": "c3036efb81f71bfa36cc9962ee5d4474f36581d0",
                 "shasum": ""
             },
             "require": {
-                "container-interop/container-interop": "~1.0",
-                "php": "^5.5 || ^7.0"
+                "container-interop/container-interop": "^1.2",
+                "php": "^5.6 || ^7.0",
+                "psr/container": "^1.0",
+                "zendframework/zend-stdlib": "^3.1"
             },
             "provide": {
-                "container-interop/container-interop-implementation": "^1.1"
+                "container-interop/container-interop-implementation": "^1.2",
+                "psr/container-implementation": "^1.0"
             },
             "require-dev": {
+                "mikey179/vfsstream": "^1.6",
                 "ocramius/proxy-manager": "^1.0 || ^2.0",
                 "phpbench/phpbench": "^0.10.0",
-                "phpunit/phpunit": "^4.6 || ^5.2.10",
-                "squizlabs/php_codesniffer": "^2.5.1"
+                "phpunit/phpunit": "^5.7 || ^6.0.6",
+                "zendframework/zend-coding-standard": "~1.0.0"
             },
             "suggest": {
                 "ocramius/proxy-manager": "ProxyManager 1.* to handle lazy initialization of services",
                 "zendframework/zend-stdlib": "zend-stdlib ^2.5 if you wish to use the MergeReplaceKey or MergeRemoveKey features in Config instances"
             },
+            "bin": [
+                "bin/generate-deps-for-config-factory",
+                "bin/generate-factory-for-class"
+            ],
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev",
-                    "dev-develop": "3.1-dev"
+                    "dev-master": "3.3-dev",
+                    "dev-develop": "3.4-dev"
                 }
             },
             "autoload": {
@@ -1415,7 +1689,7 @@
                 "servicemanager",
                 "zf"
             ],
-            "time": "2016-06-01 16:50:58"
+            "time": "2017-03-01 22:08:02"
         }
     ],
     "aliases": [],
diff --git a/src/Adapter/PythonPickle.php b/src/Adapter/PythonPickle.php
index 75f6cbe..6daa41d 100644
--- a/src/Adapter/PythonPickle.php
+++ b/src/Adapter/PythonPickle.php
@@ -911,7 +911,7 @@ protected function loadLong4()
     {
         $nBin = $this->read(4);
         if (static::$isLittleEndian === false) {
-            $nBin = strrev($$nBin);
+            $nBin = strrev($nBin);
         }
         list(, $n) = unpack('l', $nBin);
         $data = $this->read($n);
@@ -984,7 +984,7 @@ protected function loadBinBytes()
         // read byte length
         $nBin = $this->read(4);
         if (static::$isLittleEndian === false) {
-            $nBin = strrev($$nBin);
+            $nBin = strrev($nBin);
         }
         list(, $n)     = unpack('l', $nBin);
         $this->stack[] = $this->read($n);
@@ -1337,9 +1337,10 @@ protected function decodeBinLong($data)
             if ($this->bigIntegerAdapter === null) {
                 $this->bigIntegerAdapter = BigInteger\BigInteger::getDefaultAdapter();
             }
-            if (static::$isLittleEndian === true) {
-                $data = strrev($data);
-            }
+
+            // bigInt expects binary data as BigEndian
+            $data = strrev($data);
+
             $long = $this->bigIntegerAdapter->binToInt($data, true);
         } else {
             for ($i = 0; $i < $nbytes; $i++) {