Require PHP 5.6

Do not try to support EOL versions of PHP.

5 files changed, 125 insertions, 98 deletions

diff --git a/.travis.yml b/.travis.yml
index 744698c..d89ed6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,9 @@
 language: php
 
 php:
-- 5.4
-- 5.5
 - 5.6
 - 7.0
+- 7.1
 - hhvm
 - nightly
 
diff --git a/README.markdown b/README.markdown
index 68acf7f..747bea4 100644
--- a/README.markdown
+++ b/README.markdown
@@ -11,7 +11,7 @@ It does not archive articles, it does not do comments nor votes.
 
 Requirements
 ------------
-You will need a web hosting with at least PHP 5.4 (PHP 7 is also supported).
+You will need a web hosting with at least PHP 5.6 (PHP 7 is also supported).
 
 If you are installing Moonmoon on a Linux private server (VPS, dedicated host), please not that you 
 will need to install the package `php-xml`.
diff --git a/composer.json b/composer.json
index 957fa34..4b5e203 100644
--- a/composer.json
+++ b/composer.json
@@ -12,14 +12,13 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "php": ">= 5.4",
-        "hhvm": "^3.0",
+        "php": "^5.6 || ^7.0",
         "mustangostang/spyc": "0.5.1",
         "simplepie/simplepie": "1.3.1"
     },
     "require-dev": {
-        "guzzlehttp/guzzle": "5.*",
-        "phpunit/phpunit": "^6.1"
+        "guzzlehttp/guzzle": "^6.0",
+        "phpunit/phpunit": "^5.7 || ^6.2"
     },
     "scripts": {
         "test": ""
@@ -32,8 +31,5 @@
             "app/lib/lib.opml.php",
             "app/lib/Cache.php"
         ]
-    },
-    "conflict": {
-        "hhvm": "*"
     }
 }
diff --git a/composer.lock b/composer.lock
index 7ba6c6e..9095acf 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "c6bfe66dd36c74b2e37d52f577936119",
+    "content-hash": "b7778e7d1520b44eab8d00cca1a8255c",
     "packages": [
         {
             "name": "mustangostang/spyc",
@@ -165,28 +165,41 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "5.3.1",
+            "version": "6.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "70f1fa53b71c4647bf2762c09068a95f77e12fb8"
+                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/70f1fa53b71c4647bf2762c09068a95f77e12fb8",
-                "reference": "70f1fa53b71c4647bf2762c09068a95f77e12fb8",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/f4db5a78a5ea468d4831de7f0bf9d9415e348699",
+                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/ringphp": "^1.1",
-                "php": ">=5.4.0"
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.4",
+                "php": ">=5.5"
             },
             "require-dev": {
                 "ext-curl": "*",
-                "phpunit/phpunit": "^4.0"
+                "phpunit/phpunit": "^4.0 || ^5.0",
+                "psr/log": "^1.0"
+            },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.2-dev"
+                }
+            },
             "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
                 "psr-4": {
                     "GuzzleHttp\\": "src/"
                 }
@@ -202,7 +215,7 @@
                     "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Guzzle is a PHP HTTP client library and framework for building RESTful web service clients",
+            "description": "Guzzle is a PHP HTTP client library",
             "homepage": "http://guzzlephp.org/",
             "keywords": [
                 "client",
@@ -213,44 +226,41 @@
                 "rest",
                 "web service"
             ],
-            "time": "2016-07-15T19:28:39+00:00"
+            "time": "2017-06-22T18:50:49+00:00"
         },
         {
-            "name": "guzzlehttp/ringphp",
-            "version": "1.1.0",
+            "name": "guzzlehttp/promises",
+            "version": "v1.3.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/RingPHP.git",
-                "reference": "dbbb91d7f6c191e5e405e900e3102ac7f261bc0b"
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/RingPHP/zipball/dbbb91d7f6c191e5e405e900e3102ac7f261bc0b",
-                "reference": "dbbb91d7f6c191e5e405e900e3102ac7f261bc0b",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/streams": "~3.0",
-                "php": ">=5.4.0",
-                "react/promise": "~2.0"
+                "php": ">=5.5.0"
             },
             "require-dev": {
-                "ext-curl": "*",
-                "phpunit/phpunit": "~4.0"
-            },
-            "suggest": {
-                "ext-curl": "Guzzle will use specific adapters if cURL is present"
+                "phpunit/phpunit": "^4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "GuzzleHttp\\Ring\\": "src/"
-                }
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -263,25 +273,32 @@
                     "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Provides a simple API and specification that abstracts away the details of HTTP into a single PHP function.",
-            "time": "2015-05-20T03:37:09+00:00"
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-12-20T10:07:11+00:00"
         },
         {
-            "name": "guzzlehttp/streams",
-            "version": "3.0.0",
+            "name": "guzzlehttp/psr7",
+            "version": "1.4.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/streams.git",
-                "reference": "47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5"
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/streams/zipball/47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5",
-                "reference": "47aaa48e27dae43d39fc1cea0ccf0d84ac1a2ba5",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
+                "reference": "f5b8a8512e2b58b0071a7280e39f14f72e05d87c",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.0"
@@ -289,13 +306,16 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "GuzzleHttp\\Stream\\": "src/"
-                }
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -306,15 +326,23 @@
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
                 }
             ],
-            "description": "Provides a simple abstraction over streams of data",
-            "homepage": "http://guzzlephp.org/",
+            "description": "PSR-7 message implementation that also provides common utility methods",
             "keywords": [
-                "Guzzle",
-                "stream"
-            ],
-            "time": "2014-10-12T19:18:40+00:00"
+                "http",
+                "message",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2017-03-20T17:10:46+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -921,16 +949,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "6.1.4",
+            "version": "6.2.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "42b7f394a8e009516582331b1e03a1aba40175d1"
+                "reference": "fa5711d0559fc4b64deba0702be52d41434cbcb7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/42b7f394a8e009516582331b1e03a1aba40175d1",
-                "reference": "42b7f394a8e009516582331b1e03a1aba40175d1",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/fa5711d0559fc4b64deba0702be52d41434cbcb7",
+                "reference": "fa5711d0559fc4b64deba0702be52d41434cbcb7",
                 "shasum": ""
             },
             "require": {
@@ -975,7 +1003,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.1.x-dev"
+                    "dev-master": "6.2.x-dev"
                 }
             },
             "autoload": {
@@ -1001,20 +1029,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-05-22T07:45:30+00:00"
+            "time": "2017-07-03T15:54:24+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "4.0.1",
+            "version": "4.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "eabce450df194817a7d7e27e19013569a903a2bf"
+                "reference": "d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/eabce450df194817a7d7e27e19013569a903a2bf",
-                "reference": "eabce450df194817a7d7e27e19013569a903a2bf",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4",
+                "reference": "d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4",
                 "shasum": ""
             },
             "require": {
@@ -1060,36 +1088,35 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2017-03-03T06:30:20+00:00"
+            "time": "2017-06-30T08:15:21+00:00"
         },
         {
-            "name": "react/promise",
-            "version": "v2.5.1",
+            "name": "psr/http-message",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/reactphp/promise.git",
-                "reference": "62785ae604c8d69725d693eb370e1d67e94c4053"
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/promise/zipball/62785ae604c8d69725d693eb370e1d67e94c4053",
-                "reference": "62785ae604c8d69725d693eb370e1d67e94c4053",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "php": ">=5.3.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
-                    "React\\Promise\\": "src/"
-                },
-                "files": [
-                    "src/functions_include.php"
-                ]
+                    "Psr\\Http\\Message\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1097,16 +1124,21 @@
             ],
             "authors": [
                 {
-                    "name": "Jan Sorgalla",
-                    "email": "jsorgalla@gmail.com"
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
                 }
             ],
-            "description": "A lightweight implementation of CommonJS Promises/A for PHP",
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
             "keywords": [
-                "promise",
-                "promises"
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
             ],
-            "time": "2017-03-25T12:08:31+00:00"
+            "time": "2016-08-06T14:39:51+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -1271,16 +1303,16 @@
         },
         {
             "name": "sebastian/environment",
-            "version": "3.0.3",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3"
+                "reference": "cd0871b3975fb7fc44d11314fd1ee20925fce4f5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3",
-                "reference": "02b6b2c7aefe2cdb1185b8dbf8718b0bcedf3ab3",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/cd0871b3975fb7fc44d11314fd1ee20925fce4f5",
+                "reference": "cd0871b3975fb7fc44d11314fd1ee20925fce4f5",
                 "shasum": ""
             },
             "require": {
@@ -1292,7 +1324,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0.x-dev"
+                    "dev-master": "3.1.x-dev"
                 }
             },
             "autoload": {
@@ -1317,7 +1349,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2017-05-18T10:10:00+00:00"
+            "time": "2017-07-01T08:51:00+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -1764,7 +1796,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">= 5.4"
+        "php": "^5.6 || ^7.0"
     },
     "platform-dev": []
 }
diff --git a/install.php b/install.php
index 6a206fc..07437d3 100755
--- a/install.php
+++ b/install.php
@@ -48,12 +48,12 @@ if (file_exists(__DIR__ . '/custom/config.yml') && isset($login) && isset($passw
 } else {
 
     // We start by malking sure we have PHP5 as a base requirement
-    if(version_compare(PHP_VERSION, '5.4.0') >= 0) {
-        $strInstall = installStatus('Server is running at least PHP 5.4', 'OK',true);
+    if(version_compare(PHP_VERSION, '5.6.0') >= 0) {
+        $strInstall = installStatus('Server is running at least PHP 5.6', 'OK',true);
         $strRecommendation = '';
     } else {
-        $strInstall = installStatus('Server is running at least PHP 5.4', 'FAIL',false);
-        $strRecommendation = '<li>Check your server documentation to activate at least PHP 5.4</li>';
+        $strInstall = installStatus('Server is running at least PHP 5.6', 'FAIL',false);
+        $strRecommendation = '<li>Check your server documentation to activate at least PHP 5.6</li>';
     }
 
     // Writable file requirements