From 023b3a4a76d6f3456bca91f37218d23187734f0c Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Sat, 3 Oct 2020 22:00:44 -0400
Subject: [PATCH 1/3] [langfilter] Replace remove Text_Language_Detect
 dependency by matriphe/iso-639

- Address https://github.com/friendica/friendica/issues/9250#issuecomment-703153334
---
 langfilter/composer.json                      |  23 +
 langfilter/composer.lock                      |  63 +++
 langfilter/langfilter.php                     |   8 +-
 langfilter/vendor/autoload.php                |   7 +
 langfilter/vendor/composer/ClassLoader.php    | 445 +++++++++++++++++
 langfilter/vendor/composer/LICENSE            |  21 +
 .../vendor/composer/autoload_classmap.php     |   9 +
 .../vendor/composer/autoload_namespaces.php   |   9 +
 langfilter/vendor/composer/autoload_psr4.php  |  10 +
 langfilter/vendor/composer/autoload_real.php  |  55 +++
 .../vendor/composer/autoload_static.php       |  31 ++
 langfilter/vendor/composer/installed.json     |  48 ++
 langfilter/vendor/matriphe/iso-639/.gitignore |   2 +
 langfilter/vendor/matriphe/iso-639/.php_cs    | 122 +++++
 .../vendor/matriphe/iso-639/.travis.yml       |  13 +
 langfilter/vendor/matriphe/iso-639/README.md  |  65 +++
 .../vendor/matriphe/iso-639/composer.json     |  22 +
 .../vendor/matriphe/iso-639/phpunit.xml       |   9 +
 .../matriphe/iso-639/resources/iso-639.csv.gz | Bin 0 -> 5715 bytes
 .../matriphe/iso-639/resources/iso-639.sql.gz | Bin 0 -> 6459 bytes
 .../matriphe/iso-639/resources/wikipedia.csv  | 185 +++++++
 .../vendor/matriphe/iso-639/src/ISO639.php    | 460 ++++++++++++++++++
 .../matriphe/iso-639/tests/ISO639Test.php     | 239 +++++++++
 23 files changed, 1844 insertions(+), 2 deletions(-)
 create mode 100644 langfilter/composer.json
 create mode 100644 langfilter/composer.lock
 create mode 100644 langfilter/vendor/autoload.php
 create mode 100644 langfilter/vendor/composer/ClassLoader.php
 create mode 100644 langfilter/vendor/composer/LICENSE
 create mode 100644 langfilter/vendor/composer/autoload_classmap.php
 create mode 100644 langfilter/vendor/composer/autoload_namespaces.php
 create mode 100644 langfilter/vendor/composer/autoload_psr4.php
 create mode 100644 langfilter/vendor/composer/autoload_real.php
 create mode 100644 langfilter/vendor/composer/autoload_static.php
 create mode 100644 langfilter/vendor/composer/installed.json
 create mode 100644 langfilter/vendor/matriphe/iso-639/.gitignore
 create mode 100644 langfilter/vendor/matriphe/iso-639/.php_cs
 create mode 100644 langfilter/vendor/matriphe/iso-639/.travis.yml
 create mode 100644 langfilter/vendor/matriphe/iso-639/README.md
 create mode 100644 langfilter/vendor/matriphe/iso-639/composer.json
 create mode 100644 langfilter/vendor/matriphe/iso-639/phpunit.xml
 create mode 100644 langfilter/vendor/matriphe/iso-639/resources/iso-639.csv.gz
 create mode 100644 langfilter/vendor/matriphe/iso-639/resources/iso-639.sql.gz
 create mode 100644 langfilter/vendor/matriphe/iso-639/resources/wikipedia.csv
 create mode 100644 langfilter/vendor/matriphe/iso-639/src/ISO639.php
 create mode 100644 langfilter/vendor/matriphe/iso-639/tests/ISO639Test.php

diff --git a/langfilter/composer.json b/langfilter/composer.json
new file mode 100644
index 000000000..2f4f460f7
--- /dev/null
+++ b/langfilter/composer.json
@@ -0,0 +1,23 @@
+{
+    "name": "friendica-addons/langfilter",
+    "description": "A language filter to collapse posts matching user-selected languages",
+    "type": "friendica-addon",
+    "require": {
+        "matriphe/iso-639": "^1.2"
+    },
+    "license": "AGPL-3",
+    "authors": [
+        {
+            "name": "Tobias Diekershoff",
+            "homepage": "https://f.diekershoff.de/u/tobias",
+	        "role": "Developer"
+        },
+        {
+            "name": "Hypolite Petovan",
+            "email": "hypolite@mrpetovan.com",
+            "homepage": "https://friendica.mrpetovan.com/profile/hypolite",
+	        "role": "Maintainer"
+        }
+    ],
+    "minimum-stability": "stable"
+}
diff --git a/langfilter/composer.lock b/langfilter/composer.lock
new file mode 100644
index 000000000..0c6baf662
--- /dev/null
+++ b/langfilter/composer.lock
@@ -0,0 +1,63 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "7524bbd9381490bdfd604a84385da630",
+    "packages": [
+        {
+            "name": "matriphe/iso-639",
+            "version": "1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/matriphe/php-iso-639.git",
+                "reference": "0245d844daeefdd22a54b47103ffdb0e03c323e1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/matriphe/php-iso-639/zipball/0245d844daeefdd22a54b47103ffdb0e03c323e1",
+                "reference": "0245d844daeefdd22a54b47103ffdb0e03c323e1",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.7"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Matriphe\\ISO639\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Muhammad Zamroni",
+                    "email": "halo@matriphe.com"
+                }
+            ],
+            "description": "PHP library to convert ISO-639-1 code to language name.",
+            "keywords": [
+                "639",
+                "iso",
+                "iso-639",
+                "lang",
+                "language",
+                "laravel"
+            ],
+            "time": "2017-07-19T15:11:19+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
+}
diff --git a/langfilter/langfilter.php b/langfilter/langfilter.php
index 954884219..5c5f797a6 100644
--- a/langfilter/langfilter.php
+++ b/langfilter/langfilter.php
@@ -13,6 +13,8 @@ use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\DI;
 
+require __DIR__ . '/vendor/autoload.php';
+
 /* Define the hooks we want to use
  * that is, we have settings, we need to save the settings and we want
  * to modify the content of a posting when friendica prepares it.
@@ -138,6 +140,8 @@ function langfilter_prepare_body_content_filter(App $a, &$hook_data)
 	}
 	$read_languages_array = explode(',', $read_languages_string);
 
+	$iso639 = new Matriphe\ISO639\ISO639;
+
 	// Extract the language of the post
 	if (!empty($hook_data['item']['language'])) {
 		$languages = json_decode($hook_data['item']['language'], true);
@@ -153,7 +157,7 @@ function langfilter_prepare_body_content_filter(App $a, &$hook_data)
 			return;
 		}
 
-		$lang = Text_LanguageDetect_ISO639::code2ToName($iso2);
+		$lang = $iso639->languageByCode1($iso2);
 	} else {
 		$opts = $hook_data['item']['postopts'];
 		if (!$opts) {
@@ -169,7 +173,7 @@ function langfilter_prepare_body_content_filter(App $a, &$hook_data)
 		$lang = $matches[1];
 		$confidence = $matches[2];
 
-		$iso2 = Text_LanguageDetect_ISO639::nameToCode2($lang);
+		$iso2 = $iso639->code1ByLanguage($lang);
 	}
 
 	// Do not filter if language detection confidence is too low
diff --git a/langfilter/vendor/autoload.php b/langfilter/vendor/autoload.php
new file mode 100644
index 000000000..23e5df1e9
--- /dev/null
+++ b/langfilter/vendor/autoload.php
@@ -0,0 +1,7 @@
+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInit6449f021327d95a4e323188b673aed62::getLoader();
diff --git a/langfilter/vendor/composer/ClassLoader.php b/langfilter/vendor/composer/ClassLoader.php
new file mode 100644
index 000000000..fce8549f0
--- /dev/null
+++ b/langfilter/vendor/composer/ClassLoader.php
@@ -0,0 +1,445 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
+ *
+ *     $loader = new \Composer\Autoload\ClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->add('Symfony\Component', __DIR__.'/component');
+ *     $loader->add('Symfony',           __DIR__.'/framework');
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ *     // to enable searching the include path (eg. for PEAR packages)
+ *     $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @see    http://www.php-fig.org/psr/psr-0/
+ * @see    http://www.php-fig.org/psr/psr-4/
+ */
+class ClassLoader
+{
+    // PSR-4
+    private $prefixLengthsPsr4 = array();
+    private $prefixDirsPsr4 = array();
+    private $fallbackDirsPsr4 = array();
+
+    // PSR-0
+    private $prefixesPsr0 = array();
+    private $fallbackDirsPsr0 = array();
+
+    private $useIncludePath = false;
+    private $classMap = array();
+    private $classMapAuthoritative = false;
+    private $missingClasses = array();
+    private $apcuPrefix;
+
+    public function getPrefixes()
+    {
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', $this->prefixesPsr0);
+        }
+
+        return array();
+    }
+
+    public function getPrefixesPsr4()
+    {
+        return $this->prefixDirsPsr4;
+    }
+
+    public function getFallbackDirs()
+    {
+        return $this->fallbackDirsPsr0;
+    }
+
+    public function getFallbackDirsPsr4()
+    {
+        return $this->fallbackDirsPsr4;
+    }
+
+    public function getClassMap()
+    {
+        return $this->classMap;
+    }
+
+    /**
+     * @param array $classMap Class to filename map
+     */
+    public function addClassMap(array $classMap)
+    {
+        if ($this->classMap) {
+            $this->classMap = array_merge($this->classMap, $classMap);
+        } else {
+            $this->classMap = $classMap;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix, either
+     * appending or prepending to the ones previously set for this prefix.
+     *
+     * @param string       $prefix  The prefix
+     * @param array|string $paths   The PSR-0 root directories
+     * @param bool         $prepend Whether to prepend the directories
+     */
+    public function add($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            if ($prepend) {
+                $this->fallbackDirsPsr0 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr0
+                );
+            } else {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $this->fallbackDirsPsr0,
+                    (array) $paths
+                );
+            }
+
+            return;
+        }
+
+        $first = $prefix[0];
+        if (!isset($this->prefixesPsr0[$first][$prefix])) {
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+            return;
+        }
+        if ($prepend) {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixesPsr0[$first][$prefix]
+            );
+        } else {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $this->prefixesPsr0[$first][$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace, either
+     * appending or prepending to the ones previously set for this namespace.
+     *
+     * @param string       $prefix  The prefix/namespace, with trailing '\\'
+     * @param array|string $paths   The PSR-4 base directories
+     * @param bool         $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function addPsr4($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            // Register directories for the root namespace.
+            if ($prepend) {
+                $this->fallbackDirsPsr4 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr4
+                );
+            } else {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $this->fallbackDirsPsr4,
+                    (array) $paths
+                );
+            }
+        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+            // Register directories for a new namespace.
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        } elseif ($prepend) {
+            // Prepend directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixDirsPsr4[$prefix]
+            );
+        } else {
+            // Append directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $this->prefixDirsPsr4[$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix,
+     * replacing any others previously set for this prefix.
+     *
+     * @param string       $prefix The prefix
+     * @param array|string $paths  The PSR-0 base directories
+     */
+    public function set($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr0 = (array) $paths;
+        } else {
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace,
+     * replacing any others previously set for this namespace.
+     *
+     * @param string       $prefix The prefix/namespace, with trailing '\\'
+     * @param array|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setPsr4($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr4 = (array) $paths;
+        } else {
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Turns on searching the include path for class files.
+     *
+     * @param bool $useIncludePath
+     */
+    public function setUseIncludePath($useIncludePath)
+    {
+        $this->useIncludePath = $useIncludePath;
+    }
+
+    /**
+     * Can be used to check if the autoloader uses the include path to check
+     * for classes.
+     *
+     * @return bool
+     */
+    public function getUseIncludePath()
+    {
+        return $this->useIncludePath;
+    }
+
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+    }
+
+    /**
+     * Unregisters this instance as an autoloader.
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param  string    $class The name of the class
+     * @return bool|null True if loaded, null otherwise
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            includeFile($file);
+
+            return true;
+        }
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|false The path if found, false otherwise
+     */
+    public function findFile($class)
+    {
+        // class map lookup
+        if (isset($this->classMap[$class])) {
+            return $this->classMap[$class];
+        }
+        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+            return false;
+        }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
+
+        $file = $this->findFileWithExtension($class, '.php');
+
+        // Search for Hack files if we are running on HHVM
+        if (false === $file && defined('HHVM_VERSION')) {
+            $file = $this->findFileWithExtension($class, '.hh');
+        }
+
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
+        if (false === $file) {
+            // Remember that this class does not exist.
+            $this->missingClasses[$class] = true;
+        }
+
+        return $file;
+    }
+
+    private function findFileWithExtension($class, $ext)
+    {
+        // PSR-4 lookup
+        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+        $first = $class[0];
+        if (isset($this->prefixLengthsPsr4[$first])) {
+            $subPath = $class;
+            while (false !== $lastPos = strrpos($subPath, '\\')) {
+                $subPath = substr($subPath, 0, $lastPos);
+                $search = $subPath . '\\';
+                if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
+                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
+                        if (file_exists($file = $dir . $pathEnd)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-4 fallback dirs
+        foreach ($this->fallbackDirsPsr4 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 lookup
+        if (false !== $pos = strrpos($class, '\\')) {
+            // namespaced class name
+            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+        } else {
+            // PEAR-like class name
+            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+        }
+
+        if (isset($this->prefixesPsr0[$first])) {
+            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-0 fallback dirs
+        foreach ($this->fallbackDirsPsr0 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 include paths.
+        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+            return $file;
+        }
+
+        return false;
+    }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ */
+function includeFile($file)
+{
+    include $file;
+}
diff --git a/langfilter/vendor/composer/LICENSE b/langfilter/vendor/composer/LICENSE
new file mode 100644
index 000000000..f27399a04
--- /dev/null
+++ b/langfilter/vendor/composer/LICENSE
@@ -0,0 +1,21 @@
+
+Copyright (c) Nils Adermann, Jordi Boggiano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/langfilter/vendor/composer/autoload_classmap.php b/langfilter/vendor/composer/autoload_classmap.php
new file mode 100644
index 000000000..7a91153b0
--- /dev/null
+++ b/langfilter/vendor/composer/autoload_classmap.php
@@ -0,0 +1,9 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+);
diff --git a/langfilter/vendor/composer/autoload_namespaces.php b/langfilter/vendor/composer/autoload_namespaces.php
new file mode 100644
index 000000000..b7fc0125d
--- /dev/null
+++ b/langfilter/vendor/composer/autoload_namespaces.php
@@ -0,0 +1,9 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+);
diff --git a/langfilter/vendor/composer/autoload_psr4.php b/langfilter/vendor/composer/autoload_psr4.php
new file mode 100644
index 000000000..9e639fd70
--- /dev/null
+++ b/langfilter/vendor/composer/autoload_psr4.php
@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Matriphe\\ISO639\\' => array($vendorDir . '/matriphe/iso-639/src'),
+);
diff --git a/langfilter/vendor/composer/autoload_real.php b/langfilter/vendor/composer/autoload_real.php
new file mode 100644
index 000000000..fed9c349b
--- /dev/null
+++ b/langfilter/vendor/composer/autoload_real.php
@@ -0,0 +1,55 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit6449f021327d95a4e323188b673aed62
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
+            return self::$loader;
+        }
+
+        spl_autoload_register(array('ComposerAutoloaderInit6449f021327d95a4e323188b673aed62', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader();
+        spl_autoload_unregister(array('ComposerAutoloaderInit6449f021327d95a4e323188b673aed62', 'loadClassLoader'));
+
+        $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
+        if ($useStaticLoader) {
+            require_once __DIR__ . '/autoload_static.php';
+
+            call_user_func(\Composer\Autoload\ComposerStaticInit6449f021327d95a4e323188b673aed62::getInitializer($loader));
+        } else {
+            $map = require __DIR__ . '/autoload_namespaces.php';
+            foreach ($map as $namespace => $path) {
+                $loader->set($namespace, $path);
+            }
+
+            $map = require __DIR__ . '/autoload_psr4.php';
+            foreach ($map as $namespace => $path) {
+                $loader->setPsr4($namespace, $path);
+            }
+
+            $classMap = require __DIR__ . '/autoload_classmap.php';
+            if ($classMap) {
+                $loader->addClassMap($classMap);
+            }
+        }
+
+        $loader->register(true);
+
+        return $loader;
+    }
+}
diff --git a/langfilter/vendor/composer/autoload_static.php b/langfilter/vendor/composer/autoload_static.php
new file mode 100644
index 000000000..51ac8bdfd
--- /dev/null
+++ b/langfilter/vendor/composer/autoload_static.php
@@ -0,0 +1,31 @@
+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInit6449f021327d95a4e323188b673aed62
+{
+    public static $prefixLengthsPsr4 = array (
+        'M' => 
+        array (
+            'Matriphe\\ISO639\\' => 16,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'Matriphe\\ISO639\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/matriphe/iso-639/src',
+        ),
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInit6449f021327d95a4e323188b673aed62::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit6449f021327d95a4e323188b673aed62::$prefixDirsPsr4;
+
+        }, null, ClassLoader::class);
+    }
+}
diff --git a/langfilter/vendor/composer/installed.json b/langfilter/vendor/composer/installed.json
new file mode 100644
index 000000000..796c98f3a
--- /dev/null
+++ b/langfilter/vendor/composer/installed.json
@@ -0,0 +1,48 @@
+[
+    {
+        "name": "matriphe/iso-639",
+        "version": "1.2",
+        "version_normalized": "1.2.0.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/matriphe/php-iso-639.git",
+            "reference": "0245d844daeefdd22a54b47103ffdb0e03c323e1"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/matriphe/php-iso-639/zipball/0245d844daeefdd22a54b47103ffdb0e03c323e1",
+            "reference": "0245d844daeefdd22a54b47103ffdb0e03c323e1",
+            "shasum": ""
+        },
+        "require-dev": {
+            "phpunit/phpunit": "^4.7"
+        },
+        "time": "2017-07-19T15:11:19+00:00",
+        "type": "library",
+        "installation-source": "dist",
+        "autoload": {
+            "psr-4": {
+                "Matriphe\\ISO639\\": "src/"
+            }
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "MIT"
+        ],
+        "authors": [
+            {
+                "name": "Muhammad Zamroni",
+                "email": "halo@matriphe.com"
+            }
+        ],
+        "description": "PHP library to convert ISO-639-1 code to language name.",
+        "keywords": [
+            "639",
+            "iso",
+            "iso-639",
+            "lang",
+            "language",
+            "laravel"
+        ]
+    }
+]
diff --git a/langfilter/vendor/matriphe/iso-639/.gitignore b/langfilter/vendor/matriphe/iso-639/.gitignore
new file mode 100644
index 000000000..8b7ef3503
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/.gitignore
@@ -0,0 +1,2 @@
+/vendor
+composer.lock
diff --git a/langfilter/vendor/matriphe/iso-639/.php_cs b/langfilter/vendor/matriphe/iso-639/.php_cs
new file mode 100644
index 000000000..e862e68dc
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/.php_cs
@@ -0,0 +1,122 @@
+<?php
+
+return PhpCsFixer\Config::create()
+    ->setRiskyAllowed(true)
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'long'],
+        'no_extra_consecutive_blank_lines' => [
+            'break', 'continue', 'extra', 'return', 'throw', 'use', 
+            'parenthesis_brace_block', 'square_brace_block', 
+            'curly_brace_block'
+        ],
+        'binary_operator_spaces' => true,
+        'blank_line_after_namespace' => true,
+        'blank_line_after_opening_tag' => true,
+        'braces' => true,
+        'blank_line_before_return' => true,
+        'cast_spaces' => true,
+        'class_definition' => true,
+        'class_keyword_remove' => false,
+        'concat_space' => true,
+        'combine_consecutive_unsets' => true,
+        'declare_equal_normalize' => false,
+        'elseif' => true,
+        'encoding' => true,
+        'ereg_to_preg' => true,
+        'full_opening_tag' => true,
+        'function_declaration' => true,
+        'function_typehint_space' => true,
+        'hash_to_slash_comment' => true,
+        'indentation_type' => true,
+        'line_ending' => true,
+        'linebreak_after_opening_tag' => true,
+        'lowercase_cast' => true,
+        'lowercase_constants' => true,
+        'lowercase_keywords' => true,
+        //'mb_str_functions' => false,
+        'method_argument_space' => true,
+        'method_separation' => true,
+        'modernize_types_casting' => true,
+        'native_function_casing' => true,
+        'new_with_braces' => true,
+        //'no_alias_functions' => false,
+        'no_blank_lines_after_class_opening' => true,
+        'no_blank_lines_after_phpdoc' => false,
+        'no_blank_lines_before_namespace' => false,
+        'no_closing_tag' => true,
+        'no_empty_comment' => false,
+        'no_empty_phpdoc' => true,
+        'no_empty_statement' => true,
+        'no_extra_consecutive_blank_lines' => true,
+        'no_leading_import_slash' => true,
+        'no_leading_namespace_whitespace' => true,
+        'no_mixed_echo_print' => true,
+        'no_multiline_whitespace_around_double_arrow' => true,
+        'no_multiline_whitespace_before_semicolons' => true,
+        'no_php4_constructor' => true,
+        'no_short_bool_cast' => true,
+        'no_short_echo_tag' => true,
+        'no_singleline_whitespace_before_semicolons' => true,
+        'no_spaces_after_function_name' => true,
+        'no_spaces_around_offset' => true,
+        'no_spaces_inside_parenthesis' => true,
+        'no_trailing_comma_in_list_call' => true,
+        'no_trailing_comma_in_singleline_array' => true,
+        'no_trailing_whitespace' => true,
+        'no_trailing_whitespace_in_comment' => true,
+        'no_unneeded_control_parentheses' => true,
+        'no_unreachable_default_argument_value' => true,
+        'no_unused_imports' => true,
+        'no_useless_else' => true,
+        'no_useless_return' => true,
+        'no_whitespace_before_comma_in_array' => true,
+        'no_whitespace_in_blank_line' => true,
+        'normalize_index_brace' => true,
+        'not_operator_with_successor_space' => true,
+        'object_operator_without_whitespace' => true,
+        'ordered_class_elements' => true,
+        'ordered_imports' => true,
+        'php_unit_strict' => false,
+        /*
+        'phpdoc_add_missing_param_annotation' => true,
+        'phpdoc_align' => true,
+        'phpdoc_annotation_without_dot' => true,
+        'phpdoc_indent' => true,
+        'phpdoc_inline_tag' => true,
+        'phpdoc_no_empty_return' => true,
+        'phpdoc_scalar' => true,
+        */
+        'protected_to_private' => true,
+        'psr4' => true,
+        'random_api_migration' => true,
+        'return_type_declaration' => false,
+        'self_accessor' => true,
+        //'semicolon_after_instruction' => true,
+        'short_scalar_cast' => true,
+        //'simplified_null_return' => false,
+        'single_blank_line_at_eof' => true,
+        'single_blank_line_before_namespace' => true,
+        'single_class_element_per_statement' => true,
+        'single_import_per_statement' => true,
+        'single_line_after_imports' => true,
+        'single_quote' => true,
+        'space_after_semicolon' => true,
+        'standardize_not_equals' => true,
+        'switch_case_semicolon_to_colon' => true,
+        'switch_case_space' => true,
+        'strict_comparison' => false,
+        'strict_param' => false,
+        'ternary_operator_spaces' => true,
+        'trailing_comma_in_multiline_array' => true,
+        'trim_array_spaces' => true,
+        'unary_operator_spaces' => true,
+        'visibility_required' => true,
+        'whitespace_after_comma_in_array' => true,
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->exclude('storage')
+            ->in(__DIR__)
+    )
+;
\ No newline at end of file
diff --git a/langfilter/vendor/matriphe/iso-639/.travis.yml b/langfilter/vendor/matriphe/iso-639/.travis.yml
new file mode 100644
index 000000000..4e807d908
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/.travis.yml
@@ -0,0 +1,13 @@
+language: php
+
+install: composer install
+
+script: vendor/bin/phpunit
+
+php:
+  - "7.1"
+  - "7.0"
+  - "5.6"
+  - "5.5"
+  - "5.4"
+  - "5.3"
diff --git a/langfilter/vendor/matriphe/iso-639/README.md b/langfilter/vendor/matriphe/iso-639/README.md
new file mode 100644
index 000000000..7a0b0eb1e
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/README.md
@@ -0,0 +1,65 @@
+# PHP ISO-639
+
+[![Build Status](https://travis-ci.org/matriphe/php-iso-639.svg)](https://travis-ci.org/matriphe/php-iso-639)
+
+PHP library to convert ISO-639-1 code to language name, based on Wikipedia's [List of ISO 639-1 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes).
+
+## Installation
+
+Using composer: `composer require matriphe/iso-639`
+
+## Usage Example
+
+```php
+<?php
+
+required 'src/ISO639.php';
+//required 'vendor/autoload.php'; // If using composer
+
+$iso = new Matriphe\ISO639\ISO639;
+
+// Get language name from ISO-639-1 code
+echo $iso->languageByCode1('en'); // English
+echo $iso->languageByCode1('id'); // Indonesian
+echo $iso->languageByCode1('jv'); // Javanese
+
+// Get native language name from ISO-639-1 code
+echo $iso->nativeByCode1('en'); // English
+echo $iso->nativeByCode1('id'); // Bahasa Indonesia
+echo $iso->nativeByCode1('jv'); // basa Jawa
+
+// Get language name from ISO-639-2t code
+echo $iso->languageByCode2t('eng'); // English
+echo $iso->languageByCode2t('ind'); // Indonesian
+echo $iso->languageByCode2t('jav'); // Javanese
+
+// Get native language name from ISO-639-2t code
+echo $iso->nativeByCode2t('eng'); // English
+echo $iso->nativeByCode2t('ind'); // Bahasa Indonesia
+echo $iso->nativeByCode2t('jav'); // basa Jawa
+
+// Get language name from ISO-639-2b code
+echo $iso->languageByCode2b('eng'); // English
+echo $iso->languageByCode2b('ind'); // Indonesian
+echo $iso->languageByCode2b('jav'); // Javanese
+
+// Get native language name from ISO-639-2b code
+echo $iso->nativeByCode2b('eng'); // English
+echo $iso->nativeByCode2b('ind'); // Bahasa Indonesia
+echo $iso->nativeByCode2b('jav'); // basa Jawa
+
+// Get language name from ISO-639-3 code
+echo $iso->languageByCode3('eng'); // English
+echo $iso->languageByCode3('ind'); // Indonesian
+echo $iso->languageByCode3('jav'); // Javanese
+
+// Get native language name from ISO-639-3 code
+echo $iso->nativeByCode3('eng'); // English
+echo $iso->nativeByCode3('ind'); // Bahasa Indonesia
+echo $iso->nativeByCode3('jav'); // basa Jawa
+
+```
+
+## To Do
+
+* Convert language name to ISO-639 code
\ No newline at end of file
diff --git a/langfilter/vendor/matriphe/iso-639/composer.json b/langfilter/vendor/matriphe/iso-639/composer.json
new file mode 100644
index 000000000..ec74c13cf
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/composer.json
@@ -0,0 +1,22 @@
+{
+    "name": "matriphe/iso-639",
+    "description": "PHP library to convert ISO-639-1 code to language name.",
+    "keywords": ["iso", "iso-639", "639", "lang", "language", "laravel"],
+    "type": "library",
+    "require-dev": {
+        "phpunit/phpunit": "^4.7"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Muhammad Zamroni",
+            "email": "halo@matriphe.com"
+        }
+    ],
+    "require": {},
+    "autoload": {
+        "psr-4": {
+            "Matriphe\\ISO639\\": "src/"
+        }
+    }
+}
diff --git a/langfilter/vendor/matriphe/iso-639/phpunit.xml b/langfilter/vendor/matriphe/iso-639/phpunit.xml
new file mode 100644
index 000000000..9ef10b1e5
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/phpunit.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="src/ISO639.php">
+    <testsuites>
+        <testsuite name="ISO-639 Test Unit">
+            <directory>tests/ISO639Test.php</directory>
+        </testsuite>
+    </testsuites>
+
+</phpunit>
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diff --git a/langfilter/vendor/matriphe/iso-639/resources/iso-639.sql.gz b/langfilter/vendor/matriphe/iso-639/resources/iso-639.sql.gz
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diff --git a/langfilter/vendor/matriphe/iso-639/resources/wikipedia.csv b/langfilter/vendor/matriphe/iso-639/resources/wikipedia.csv
new file mode 100644
index 000000000..67dc7f57a
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/resources/wikipedia.csv
@@ -0,0 +1,185 @@
+Northwest Caucasian|Abkhaz|аҧсуа бызшәа, аҧсшәа|ab|abk|abk|abk|abks|
+Afro-Asiatic|Afar|Afaraf|aa|aar|aar|aar|aars|
+Indo-European|Afrikaans|Afrikaans|af|afr|afr|afr|afrs|
+Niger–Congo|Akan|Akan|ak|aka|aka|aka + 2||macrolanguage, Twi is [tw/twi], Fanti is [fat]
+Indo-European|Albanian|Shqip|sq|sqi|alb|sqi + 4||macrolanguage, "Albanian Phylozone" in 639-6
+Afro-Asiatic|Amharic|አማርኛ|am|amh|amh|amh||
+Afro-Asiatic|Arabic|العربية|ar|ara|ara|ara + 30||macrolanguage, Standard Arabic is [arb]
+Indo-European|Aragonese|aragonés|an|arg|arg|arg||
+Indo-European|Armenian|Հայերեն|hy|hye|arm|hye||
+Indo-European|Assamese|অসমীয়া|as|asm|asm|asm||
+Northeast Caucasian|Avaric|авар мацӀ, магӀарул мацӀ|av|ava|ava|ava||
+Indo-European|Avestan|avesta|ae|ave|ave|ave||ancient
+Aymaran|Aymara|aymar aru|ay|aym|aym|aym + 2||macrolanguage
+Turkic|Azerbaijani|azərbaycan dili|az|aze|aze|aze + 2||macrolanguage
+Niger–Congo|Bambara|bamanankan|bm|bam|bam|bam||
+Turkic|Bashkir|башҡорт теле|ba|bak|bak|bak||
+Language isolate|Basque|euskara, euskera|eu|eus|baq|eus||
+Indo-European|Belarusian|беларуская мова|be|bel|bel|bel||
+Indo-European|Bengali, Bangla|বাংলা|bn|ben|ben|ben||
+Indo-European|Bihari|भोजपुरी|bh|bih|bih|||Collective language code for Bhojpuri, Magahi, and Maithili
+Creole|Bislama|Bislama|bi|bis|bis|bis||
+Indo-European|Bosnian|bosanski jezik|bs|bos|bos|bos|boss|
+Indo-European|Breton|brezhoneg|br|bre|bre|bre||
+Indo-European|Bulgarian|български език|bg|bul|bul|bul|buls|
+Sino-Tibetan|Burmese|ဗမာစာ|my|mya|bur|mya||
+Indo-European|Catalan|català|ca|cat|cat|cat||
+Austronesian|Chamorro|Chamoru|ch|cha|cha|cha||
+Northeast Caucasian|Chechen|нохчийн мотт|ce|che|che|che||
+Niger–Congo|Chichewa, Chewa, Nyanja|chiCheŵa, chinyanja|ny|nya|nya|nya||
+Sino-Tibetan|Chinese|中文 (Zhōngwén), 汉语, 漢語|zh|zho|chi|zho + 13||macrolanguage
+Turkic|Chuvash|чӑваш чӗлхи|cv|chv|chv|chv||
+Indo-European|Cornish|Kernewek|kw|cor|cor|cor||
+Indo-European|Corsican|corsu, lingua corsa|co|cos|cos|cos||
+Algonquian|Cree|ᓀᐦᐃᔭᐍᐏᐣ|cr|cre|cre|cre + 6||macrolanguage
+Indo-European|Croatian|hrvatski jezik|hr|hrv|hrv|hrv||
+Indo-European|Czech|čeština, český jazyk|cs|ces|cze|ces||
+Indo-European|Danish|dansk|da|dan|dan|dan||
+Indo-European|Divehi, Dhivehi, Maldivian|ދިވެހި|dv|div|div|div||
+Indo-European|Dutch|Nederlands, Vlaams|nl|nld|dut|nld||
+Sino-Tibetan|Dzongkha|རྫོང་ཁ|dz|dzo|dzo|dzo||
+Indo-European|English|English|en|eng|eng|eng|engs|
+Constructed|Esperanto|Esperanto|eo|epo|epo|epo||constructed, initiated from L.L. Zamenhof, 1887
+Uralic|Estonian|eesti, eesti keel|et|est|est|est + 2||macrolanguage
+Niger–Congo|Ewe|Eʋegbe|ee|ewe|ewe|ewe||
+Indo-European|Faroese|føroyskt|fo|fao|fao|fao||
+Austronesian|Fijian|vosa Vakaviti|fj|fij|fij|fij||
+Uralic|Finnish|suomi, suomen kieli|fi|fin|fin|fin||
+Indo-European|French|français, langue française|fr|fra|fre|fra|fras|
+Niger–Congo|Fula, Fulah, Pulaar, Pular|Fulfulde, Pulaar, Pular|ff|ful|ful|ful + 9||macrolanguage
+Indo-European|Galician|galego|gl|glg|glg|glg||
+South Caucasian|Georgian|ქართული|ka|kat|geo|kat||
+Indo-European|German|Deutsch|de|deu|ger|deu|deus|
+Indo-European|Greek (modern)|ελληνικά|el|ell|gre|ell|ells|
+Tupian|Guaraní|Avañe'ẽ|gn|grn|grn|grn + 5||macrolanguage
+Indo-European|Gujarati|ગુજરાતી|gu|guj|guj|guj||
+Creole|Haitian, Haitian Creole|Kreyòl ayisyen|ht|hat|hat|hat||
+Afro-Asiatic|Hausa|(Hausa) هَوُسَ|ha|hau|hau|hau||
+Afro-Asiatic|Hebrew (modern)|עברית|he|heb|heb|heb||
+Niger–Congo|Herero|Otjiherero|hz|her|her|her||
+Indo-European|Hindi|हिन्दी, हिंदी|hi|hin|hin|hin|hins|
+Austronesian|Hiri Motu|Hiri Motu|ho|hmo|hmo|hmo||
+Uralic|Hungarian|magyar|hu|hun|hun|hun||
+Constructed|Interlingua|Interlingua|ia|ina|ina|ina||constructed by International Auxiliary Language Association
+Austronesian|Indonesian|Bahasa Indonesia|id|ind|ind|ind||Covered by macrolanguage [ms/msa]
+Constructed|Interlingue|Originally called Occidental; then Interlingue after WWII|ie|ile|ile|ile||constructed by Edgar de Wahl, first published in 1922
+Indo-European|Irish|Gaeilge|ga|gle|gle|gle||
+Niger–Congo|Igbo|Asụsụ Igbo|ig|ibo|ibo|ibo||
+Eskimo–Aleut|Inupiaq|Iñupiaq, Iñupiatun|ik|ipk|ipk|ipk + 2||macrolanguage
+Constructed|Ido|Ido|io|ido|ido|ido|idos|constructed by De Beaufront, 1907, as variation of Esperanto
+Indo-European|Icelandic|Íslenska|is|isl|ice|isl||
+Indo-European|Italian|italiano|it|ita|ita|ita|itas|
+Eskimo–Aleut|Inuktitut|ᐃᓄᒃᑎᑐᑦ|iu|iku|iku|iku + 2||macrolanguage
+Japonic|Japanese|日本語 (にほんご)|ja|jpn|jpn|jpn||
+Austronesian|Javanese|basa Jawa|jv|jav|jav|jav||
+Eskimo–Aleut|Kalaallisut, Greenlandic|kalaallisut, kalaallit oqaasii|kl|kal|kal|kal||
+Dravidian|Kannada|ಕನ್ನಡ|kn|kan|kan|kan||
+Nilo-Saharan|Kanuri|Kanuri|kr|kau|kau|kau + 3||macrolanguage
+Indo-European|Kashmiri|कश्मीरी, كشميري‎|ks|kas|kas|kas||
+Turkic|Kazakh|қазақ тілі|kk|kaz|kaz|kaz||
+Austroasiatic|Khmer|ខ្មែរ, ខេមរភាសា, ភាសាខ្មែរ|km|khm|khm|khm||a.k.a. Cambodian
+Niger–Congo|Kikuyu, Gikuyu|Gĩkũyũ|ki|kik|kik|kik||
+Niger–Congo|Kinyarwanda|Ikinyarwanda|rw|kin|kin|kin||
+Turkic|Kyrgyz|Кыргызча, Кыргыз тили|ky|kir|kir|kir||
+Uralic|Komi|коми кыв|kv|kom|kom|kom + 2||macrolanguage
+Niger–Congo|Kongo|Kikongo|kg|kon|kon|kon + 3||macrolanguage
+Koreanic|Korean|한국어, 조선어|ko|kor|kor|kor||
+Indo-European|Kurdish|Kurdî, كوردی‎|ku|kur|kur|kur + 3||macrolanguage
+Niger–Congo|Kwanyama, Kuanyama|Kuanyama|kj|kua|kua|kua||
+Indo-European|Latin|latine, lingua latina|la|lat|lat|lat|lats|ancient
+Indo-European|Ladin|ladin, lingua ladina||||lld||
+Indo-European|Luxembourgish, Letzeburgesch|Lëtzebuergesch|lb|ltz|ltz|ltz||
+Niger–Congo|Ganda|Luganda|lg|lug|lug|lug||
+Indo-European|Limburgish, Limburgan, Limburger|Limburgs|li|lim|lim|lim||
+Niger–Congo|Lingala|Lingála|ln|lin|lin|lin||
+Tai–Kadai|Lao|ພາສາລາວ|lo|lao|lao|lao||
+Indo-European|Lithuanian|lietuvių kalba|lt|lit|lit|lit||
+Niger–Congo|Luba-Katanga|Tshiluba|lu|lub|lub|lub||
+Indo-European|Latvian|latviešu valoda|lv|lav|lav|lav + 2||macrolanguage
+Indo-European|Manx|Gaelg, Gailck|gv|glv|glv|glv||
+Indo-European|Macedonian|македонски јазик|mk|mkd|mac|mkd||
+Austronesian|Malagasy|fiteny malagasy|mg|mlg|mlg|mlg + 10||macrolanguage
+Austronesian|Malay|bahasa Melayu, بهاس ملايو‎|ms|msa|may|msa + 13||macrolanguage, Standard Malay is [zsm], Indonesian is [id/ind]
+Dravidian|Malayalam|മലയാളം|ml|mal|mal|mal||
+Afro-Asiatic|Maltese|Malti|mt|mlt|mlt|mlt||
+Austronesian|Māori|te reo Māori|mi|mri|mao|mri||
+Indo-European|Marathi (Marāṭhī)|मराठी|mr|mar|mar|mar||
+Austronesian|Marshallese|Kajin M̧ajeļ|mh|mah|mah|mah||
+Mongolic|Mongolian|монгол|mn|mon|mon|mon + 2||macrolanguage
+Austronesian|Nauru|Ekakairũ Naoero|na|nau|nau|nau||
+Dené–Yeniseian|Navajo, Navaho|Diné bizaad|nv|nav|nav|nav||
+Niger–Congo|Northern Ndebele|isiNdebele|nd|nde|nde|nde||
+Indo-European|Nepali|नेपाली|ne|nep|nep|nep||
+Niger–Congo|Ndonga|Owambo|ng|ndo|ndo|ndo||
+Indo-European|Norwegian Bokmål|Norsk bokmål|nb|nob|nob|nob||Covered by macrolanguage [no/nor]
+Indo-European|Norwegian Nynorsk|Norsk nynorsk|nn|nno|nno|nno||Covered by macrolanguage [no/nor]
+Indo-European|Norwegian|Norsk|no|nor|nor|nor + 2||macrolanguage, Bokmål is [nb/nob], Nynorsk is [nn/nno]
+Sino-Tibetan|Nuosu|ꆈꌠ꒿ Nuosuhxop|ii|iii|iii|iii||Standard form of Yi languages
+Niger–Congo|Southern Ndebele|isiNdebele|nr|nbl|nbl|nbl||
+Indo-European|Occitan|occitan, lenga d'òc|oc|oci|oci|oci||
+Algonquian|Ojibwe, Ojibwa|ᐊᓂᔑᓈᐯᒧᐎᓐ|oj|oji|oji|oji + 7||macrolanguage
+Indo-European|Old Church Slavonic, Church Slavonic, Old Bulgarian|ѩзыкъ словѣньскъ|cu|chu|chu|chu||ancient, in use by Orthodox Church
+Afro-Asiatic|Oromo|Afaan Oromoo|om|orm|orm|orm + 4||macrolanguage
+Indo-European|Oriya|ଓଡ଼ିଆ|or|ori|ori|ori||
+Indo-European|Ossetian, Ossetic|ирон æвзаг|os|oss|oss|oss||
+Indo-European|Panjabi, Punjabi|ਪੰਜਾਬੀ, پنجابی‎|pa|pan|pan|pan||
+Indo-European|Pāli|पाऴि|pi|pli|pli|pli||ancient
+Indo-European|Persian (Farsi)|فارسی|fa|fas|per|fas + 2||macrolanguage
+Indo-European|Polish|język polski, polszczyzna|pl|pol|pol|pol|pols|
+Indo-European|Pashto, Pushto|پښتو|ps|pus|pus|pus + 3||macrolanguage
+Indo-European|Portuguese|português|pt|por|por|por||
+Quechuan|Quechua|Runa Simi, Kichwa|qu|que|que|que + 44||macrolanguage
+Indo-European|Romansh|rumantsch grischun|rm|roh|roh|roh||
+Niger–Congo|Kirundi|Ikirundi|rn|run|run|run||
+Indo-European|Romanian|limba română|ro|ron|rum|ron||[mo] for Moldavian has been withdrawn, recommending [ro] also for Moldavian
+Indo-European|Russian|Русский|ru|rus|rus|rus||
+Indo-European|Sanskrit (Saṁskṛta)|संस्कृतम्|sa|san|san|san||ancient, still spoken
+Indo-European|Sardinian|sardu|sc|srd|srd|srd + 4||macrolanguage
+Indo-European|Sindhi|सिन्धी, سنڌي، سندھی‎|sd|snd|snd|snd||
+Uralic|Northern Sami|Davvisámegiella|se|sme|sme|sme||
+Austronesian|Samoan|gagana fa'a Samoa|sm|smo|smo|smo||
+Creole|Sango|yângâ tî sängö|sg|sag|sag|sag||
+Indo-European|Serbian|српски језик|sr|srp|srp|srp||The ISO 639-2/T code srp deprecated the ISO 639-2/B code scc[1]
+Indo-European|Scottish Gaelic, Gaelic|Gàidhlig|gd|gla|gla|gla||
+Niger–Congo|Shona|chiShona|sn|sna|sna|sna||
+Indo-European|Sinhala, Sinhalese|සිංහල|si|sin|sin|sin||
+Indo-European|Slovak|slovenčina, slovenský jazyk|sk|slk|slo|slk||
+Indo-European|Slovene|slovenski jezik, slovenščina|sl|slv|slv|slv||
+Afro-Asiatic|Somali|Soomaaliga, af Soomaali|so|som|som|som||
+Niger–Congo|Southern Sotho|Sesotho|st|sot|sot|sot||
+Indo-European|Spanish|español|es|spa|spa|spa||
+Austronesian|Sundanese|Basa Sunda|su|sun|sun|sun||
+Niger–Congo|Swahili|Kiswahili|sw|swa|swa|swa + 2||macrolanguage
+Niger–Congo|Swati|SiSwati|ss|ssw|ssw|ssw||
+Indo-European|Swedish|svenska|sv|swe|swe|swe||
+Dravidian|Tamil|தமிழ்|ta|tam|tam|tam||
+Dravidian|Telugu|తెలుగు|te|tel|tel|tel||
+Indo-European|Tajik|тоҷикӣ, toçikī, تاجیکی‎|tg|tgk|tgk|tgk||
+Tai–Kadai|Thai|ไทย|th|tha|tha|tha||
+Afro-Asiatic|Tigrinya|ትግርኛ|ti|tir|tir|tir||
+Sino-Tibetan|Tibetan Standard, Tibetan, Central|བོད་ཡིག|bo|bod|tib|bod||
+Turkic|Turkmen|Türkmen, Түркмен|tk|tuk|tuk|tuk||
+Austronesian|Tagalog|Wikang Tagalog, ᜏᜒᜃᜅ᜔ ᜆᜄᜎᜓᜄ᜔|tl|tgl|tgl|tgl||Note: Filipino (Pilipino) has the code [fil]
+Niger–Congo|Tswana|Setswana|tn|tsn|tsn|tsn||
+Austronesian|Tonga (Tonga Islands)|faka Tonga|to|ton|ton|ton||
+Turkic|Turkish|Türkçe|tr|tur|tur|tur||
+Niger–Congo|Tsonga|Xitsonga|ts|tso|tso|tso||
+Turkic|Tatar|татар теле, tatar tele|tt|tat|tat|tat||
+Niger–Congo|Twi|Twi|tw|twi|twi|twi||Covered by macrolanguage [ak/aka]
+Austronesian|Tahitian|Reo Tahiti|ty|tah|tah|tah||One of the Reo Mā`ohi (languages of French Polynesia)
+Turkic|Uyghur|ئۇيغۇرچە‎, Uyghurche|ug|uig|uig|uig||
+Indo-European|Ukrainian|українська мова|uk|ukr|ukr|ukr||
+Indo-European|Urdu|اردو|ur|urd|urd|urd||
+Turkic|Uzbek|Oʻzbek, Ўзбек, أۇزبېك‎|uz|uzb|uzb|uzb + 2||macrolanguage
+Niger–Congo|Venda|Tshivenḓa|ve|ven|ven|ven||
+Austroasiatic|Vietnamese|Việt Nam|vi|vie|vie|vie||
+Constructed|Volapük|Volapük|vo|vol|vol|vol||constructed
+Indo-European|Walloon|walon|wa|wln|wln|wln||
+Indo-European|Welsh|Cymraeg|cy|cym|wel|cym||
+Niger–Congo|Wolof|Wollof|wo|wol|wol|wol||
+Indo-European|Western Frisian|Frysk|fy|fry|fry|fry||
+Niger–Congo|Xhosa|isiXhosa|xh|xho|xho|xho||
+Indo-European|Yiddish|ייִדיש|yi|yid|yid|yid + 2||macrolanguage
+Niger–Congo|Yoruba|Yorùbá|yo|yor|yor|yor||
+Tai–Kadai|Zhuang, Chuang|Saɯ cueŋƅ, Saw cuengh|za|zha|zha|zha + 16||macrolanguage
+Niger–Congo|Zulu|isiZulu|zu|zul|zul|zul||
\ No newline at end of file
diff --git a/langfilter/vendor/matriphe/iso-639/src/ISO639.php b/langfilter/vendor/matriphe/iso-639/src/ISO639.php
new file mode 100644
index 000000000..13f9942ae
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/src/ISO639.php
@@ -0,0 +1,460 @@
+<?php
+
+namespace Matriphe\ISO639;
+
+class ISO639
+{
+    /*
+     * Language database, based on Wikipedia.
+     * Source: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
+     */
+    protected $languages = array(
+        array('ab', 'abk', 'abk', 'abk', 'Abkhaz', 'аҧсуа бызшәа, аҧсшәа'),
+        array('aa', 'aar', 'aar', 'aar', 'Afar', 'Afaraf'),
+        array('af', 'afr', 'afr', 'afr', 'Afrikaans', 'Afrikaans'),
+        array('ak', 'aka', 'aka', 'aka', 'Akan', 'Akan'),
+        array('sq', 'sqi', 'alb', 'sqi', 'Albanian', 'Shqip'),
+        array('am', 'amh', 'amh', 'amh', 'Amharic', 'አማርኛ'),
+        array('ar', 'ara', 'ara', 'ara', 'Arabic', 'العربية'),
+        array('an', 'arg', 'arg', 'arg', 'Aragonese', 'aragonés'),
+        array('hy', 'hye', 'arm', 'hye', 'Armenian', 'Հայերեն'),
+        array('as', 'asm', 'asm', 'asm', 'Assamese', 'অসমীয়া'),
+        array('av', 'ava', 'ava', 'ava', 'Avaric', 'авар мацӀ, магӀарул мацӀ'),
+        array('ae', 'ave', 'ave', 'ave', 'Avestan', 'avesta'),
+        array('ay', 'aym', 'aym', 'aym', 'Aymara', 'aymar aru'),
+        array('az', 'aze', 'aze', 'aze', 'Azerbaijani', 'azərbaycan dili'),
+        array('bm', 'bam', 'bam', 'bam', 'Bambara', 'bamanankan'),
+        array('ba', 'bak', 'bak', 'bak', 'Bashkir', 'башҡорт теле'),
+        array('eu', 'eus', 'baq', 'eus', 'Basque', 'euskara, euskera'),
+        array('be', 'bel', 'bel', 'bel', 'Belarusian', 'беларуская мова'),
+        array('bn', 'ben', 'ben', 'ben', 'Bengali, Bangla', 'বাংলা'),
+        array('bh', 'bih', 'bih', '', 'Bihari', 'भोजपुरी'),
+        array('bi', 'bis', 'bis', 'bis', 'Bislama', 'Bislama'),
+        array('bs', 'bos', 'bos', 'bos', 'Bosnian', 'bosanski jezik'),
+        array('br', 'bre', 'bre', 'bre', 'Breton', 'brezhoneg'),
+        array('bg', 'bul', 'bul', 'bul', 'Bulgarian', 'български език'),
+        array('my', 'mya', 'bur', 'mya', 'Burmese', 'ဗမာစာ'),
+        array('ca', 'cat', 'cat', 'cat', 'Catalan', 'català'),
+        array('ch', 'cha', 'cha', 'cha', 'Chamorro', 'Chamoru'),
+        array('ce', 'che', 'che', 'che', 'Chechen', 'нохчийн мотт'),
+        array('ny', 'nya', 'nya', 'nya', 'Chichewa, Chewa, Nyanja', 'chiCheŵa, chinyanja'),
+        array('zh', 'zho', 'chi', 'zho', 'Chinese', '中文 (Zhōngwén), 汉语, 漢語'),
+        array('cv', 'chv', 'chv', 'chv', 'Chuvash', 'чӑваш чӗлхи'),
+        array('kw', 'cor', 'cor', 'cor', 'Cornish', 'Kernewek'),
+        array('co', 'cos', 'cos', 'cos', 'Corsican', 'corsu, lingua corsa'),
+        array('cr', 'cre', 'cre', 'cre', 'Cree', 'ᓀᐦᐃᔭᐍᐏᐣ'),
+        array('hr', 'hrv', 'hrv', 'hrv', 'Croatian', 'hrvatski jezik'),
+        array('cs', 'ces', 'cze', 'ces', 'Czech', 'čeština, český jazyk'),
+        array('da', 'dan', 'dan', 'dan', 'Danish', 'dansk'),
+        array('dv', 'div', 'div', 'div', 'Divehi, Dhivehi, Maldivian', 'ދިވެހި'),
+        array('nl', 'nld', 'dut', 'nld', 'Dutch', 'Nederlands, Vlaams'),
+        array('dz', 'dzo', 'dzo', 'dzo', 'Dzongkha', 'རྫོང་ཁ'),
+        array('en', 'eng', 'eng', 'eng', 'English', 'English'),
+        array('eo', 'epo', 'epo', 'epo', 'Esperanto', 'Esperanto'),
+        array('et', 'est', 'est', 'est', 'Estonian', 'eesti, eesti keel'),
+        array('ee', 'ewe', 'ewe', 'ewe', 'Ewe', 'Eʋegbe'),
+        array('fo', 'fao', 'fao', 'fao', 'Faroese', 'føroyskt'),
+        array('fj', 'fij', 'fij', 'fij', 'Fijian', 'vosa Vakaviti'),
+        array('fi', 'fin', 'fin', 'fin', 'Finnish', 'suomi, suomen kieli'),
+        array('fr', 'fra', 'fre', 'fra', 'French', 'français, langue française'),
+        array('ff', 'ful', 'ful', 'ful', 'Fula, Fulah, Pulaar, Pular', 'Fulfulde, Pulaar, Pular'),
+        array('gl', 'glg', 'glg', 'glg', 'Galician', 'galego'),
+        array('ka', 'kat', 'geo', 'kat', 'Georgian', 'ქართული'),
+        array('de', 'deu', 'ger', 'deu', 'German', 'Deutsch'),
+        array('el', 'ell', 'gre', 'ell', 'Greek (modern)', 'ελληνικά'),
+        array('gn', 'grn', 'grn', 'grn', 'Guaraní', 'Avañe\'ẽ'),
+        array('gu', 'guj', 'guj', 'guj', 'Gujarati', 'ગુજરાતી'),
+        array('ht', 'hat', 'hat', 'hat', 'Haitian, Haitian Creole', 'Kreyòl ayisyen'),
+        array('ha', 'hau', 'hau', 'hau', 'Hausa', '(Hausa) هَوُسَ'),
+        array('he', 'heb', 'heb', 'heb', 'Hebrew (modern)', 'עברית'),
+        array('hz', 'her', 'her', 'her', 'Herero', 'Otjiherero'),
+        array('hi', 'hin', 'hin', 'hin', 'Hindi', 'हिन्दी, हिंदी'),
+        array('ho', 'hmo', 'hmo', 'hmo', 'Hiri Motu', 'Hiri Motu'),
+        array('hu', 'hun', 'hun', 'hun', 'Hungarian', 'magyar'),
+        array('ia', 'ina', 'ina', 'ina', 'Interlingua', 'Interlingua'),
+        array('id', 'ind', 'ind', 'ind', 'Indonesian', 'Bahasa Indonesia'),
+        array('ie', 'ile', 'ile', 'ile', 'Interlingue', 'Originally called Occidental; then Interlingue after WWII'),
+        array('ga', 'gle', 'gle', 'gle', 'Irish', 'Gaeilge'),
+        array('ig', 'ibo', 'ibo', 'ibo', 'Igbo', 'Asụsụ Igbo'),
+        array('ik', 'ipk', 'ipk', 'ipk', 'Inupiaq', 'Iñupiaq, Iñupiatun'),
+        array('io', 'ido', 'ido', 'ido', 'Ido', 'Ido'),
+        array('is', 'isl', 'ice', 'isl', 'Icelandic', 'Íslenska'),
+        array('it', 'ita', 'ita', 'ita', 'Italian', 'italiano'),
+        array('iu', 'iku', 'iku', 'iku', 'Inuktitut', 'ᐃᓄᒃᑎᑐᑦ'),
+        array('ja', 'jpn', 'jpn', 'jpn', 'Japanese', '日本語 (にほんご)'),
+        array('jv', 'jav', 'jav', 'jav', 'Javanese', 'basa Jawa'),
+        array('kl', 'kal', 'kal', 'kal', 'Kalaallisut, Greenlandic', 'kalaallisut, kalaallit oqaasii'),
+        array('kn', 'kan', 'kan', 'kan', 'Kannada', 'ಕನ್ನಡ'),
+        array('kr', 'kau', 'kau', 'kau', 'Kanuri', 'Kanuri'),
+        array('ks', 'kas', 'kas', 'kas', 'Kashmiri', 'कश्मीरी, كشميري‎'),
+        array('kk', 'kaz', 'kaz', 'kaz', 'Kazakh', 'қазақ тілі'),
+        array('km', 'khm', 'khm', 'khm', 'Khmer', 'ខ្មែរ, ខេមរភាសា, ភាសាខ្មែរ'),
+        array('ki', 'kik', 'kik', 'kik', 'Kikuyu, Gikuyu', 'Gĩkũyũ'),
+        array('rw', 'kin', 'kin', 'kin', 'Kinyarwanda', 'Ikinyarwanda'),
+        array('ky', 'kir', 'kir', 'kir', 'Kyrgyz', 'Кыргызча, Кыргыз тили'),
+        array('kv', 'kom', 'kom', 'kom', 'Komi', 'коми кыв'),
+        array('kg', 'kon', 'kon', 'kon', 'Kongo', 'Kikongo'),
+        array('ko', 'kor', 'kor', 'kor', 'Korean', '한국어, 조선어'),
+        array('ku', 'kur', 'kur', 'kur', 'Kurdish', 'Kurdî, كوردی‎'),
+        array('kj', 'kua', 'kua', 'kua', 'Kwanyama, Kuanyama', 'Kuanyama'),
+        array('la', 'lat', 'lat', 'lat', 'Latin', 'latine, lingua latina'),
+        array('', '', '', 'lld', 'Ladin', 'ladin, lingua ladina'),
+        array('lb', 'ltz', 'ltz', 'ltz', 'Luxembourgish, Letzeburgesch', 'Lëtzebuergesch'),
+        array('lg', 'lug', 'lug', 'lug', 'Ganda', 'Luganda'),
+        array('li', 'lim', 'lim', 'lim', 'Limburgish, Limburgan, Limburger', 'Limburgs'),
+        array('ln', 'lin', 'lin', 'lin', 'Lingala', 'Lingála'),
+        array('lo', 'lao', 'lao', 'lao', 'Lao', 'ພາສາລາວ'),
+        array('lt', 'lit', 'lit', 'lit', 'Lithuanian', 'lietuvių kalba'),
+        array('lu', 'lub', 'lub', 'lub', 'Luba-Katanga', 'Tshiluba'),
+        array('lv', 'lav', 'lav', 'lav', 'Latvian', 'latviešu valoda'),
+        array('gv', 'glv', 'glv', 'glv', 'Manx', 'Gaelg, Gailck'),
+        array('mk', 'mkd', 'mac', 'mkd', 'Macedonian', 'македонски јазик'),
+        array('mg', 'mlg', 'mlg', 'mlg', 'Malagasy', 'fiteny malagasy'),
+        array('ms', 'msa', 'may', 'msa', 'Malay', 'bahasa Melayu, بهاس ملايو‎'),
+        array('ml', 'mal', 'mal', 'mal', 'Malayalam', 'മലയാളം'),
+        array('mt', 'mlt', 'mlt', 'mlt', 'Maltese', 'Malti'),
+        array('mi', 'mri', 'mao', 'mri', 'Māori', 'te reo Māori'),
+        array('mr', 'mar', 'mar', 'mar', 'Marathi (Marāṭhī)', 'मराठी'),
+        array('mh', 'mah', 'mah', 'mah', 'Marshallese', 'Kajin M̧ajeļ'),
+        array('mn', 'mon', 'mon', 'mon', 'Mongolian', 'монгол'),
+        array('na', 'nau', 'nau', 'nau', 'Nauru', 'Ekakairũ Naoero'),
+        array('nv', 'nav', 'nav', 'nav', 'Navajo, Navaho', 'Diné bizaad'),
+        array('nd', 'nde', 'nde', 'nde', 'Northern Ndebele', 'isiNdebele'),
+        array('ne', 'nep', 'nep', 'nep', 'Nepali', 'नेपाली'),
+        array('ng', 'ndo', 'ndo', 'ndo', 'Ndonga', 'Owambo'),
+        array('nb', 'nob', 'nob', 'nob', 'Norwegian Bokmål', 'Norsk bokmål'),
+        array('nn', 'nno', 'nno', 'nno', 'Norwegian Nynorsk', 'Norsk nynorsk'),
+        array('no', 'nor', 'nor', 'nor', 'Norwegian', 'Norsk'),
+        array('ii', 'iii', 'iii', 'iii', 'Nuosu', 'ꆈꌠ꒿ Nuosuhxop'),
+        array('nr', 'nbl', 'nbl', 'nbl', 'Southern Ndebele', 'isiNdebele'),
+        array('oc', 'oci', 'oci', 'oci', 'Occitan', 'occitan, lenga d\'òc'),
+        array('oj', 'oji', 'oji', 'oji', 'Ojibwe, Ojibwa', 'ᐊᓂᔑᓈᐯᒧᐎᓐ'),
+        array('cu', 'chu', 'chu', 'chu', 'Old Church Slavonic, Church Slavonic, Old Bulgarian', 'ѩзыкъ словѣньскъ'),
+        array('om', 'orm', 'orm', 'orm', 'Oromo', 'Afaan Oromoo'),
+        array('or', 'ori', 'ori', 'ori', 'Oriya', 'ଓଡ଼ିଆ'),
+        array('os', 'oss', 'oss', 'oss', 'Ossetian, Ossetic', 'ирон æвзаг'),
+        array('pa', 'pan', 'pan', 'pan', 'Panjabi, Punjabi', 'ਪੰਜਾਬੀ, پنجابی‎'),
+        array('pi', 'pli', 'pli', 'pli', 'Pāli', 'पाऴि'),
+        array('fa', 'fas', 'per', 'fas', 'Persian (Farsi)', 'فارسی'),
+        array('pl', 'pol', 'pol', 'pol', 'Polish', 'język polski, polszczyzna'),
+        array('ps', 'pus', 'pus', 'pus', 'Pashto, Pushto', 'پښتو'),
+        array('pt', 'por', 'por', 'por', 'Portuguese', 'português'),
+        array('qu', 'que', 'que', 'que', 'Quechua', 'Runa Simi, Kichwa'),
+        array('rm', 'roh', 'roh', 'roh', 'Romansh', 'rumantsch grischun'),
+        array('rn', 'run', 'run', 'run', 'Kirundi', 'Ikirundi'),
+        array('ro', 'ron', 'rum', 'ron', 'Romanian', 'limba română'),
+        array('ru', 'rus', 'rus', 'rus', 'Russian', 'Русский'),
+        array('sa', 'san', 'san', 'san', 'Sanskrit (Saṁskṛta)', 'संस्कृतम्'),
+        array('sc', 'srd', 'srd', 'srd', 'Sardinian', 'sardu'),
+        array('sd', 'snd', 'snd', 'snd', 'Sindhi', 'सिन्धी, سنڌي، سندھی‎'),
+        array('se', 'sme', 'sme', 'sme', 'Northern Sami', 'Davvisámegiella'),
+        array('sm', 'smo', 'smo', 'smo', 'Samoan', 'gagana fa\'a Samoa'),
+        array('sg', 'sag', 'sag', 'sag', 'Sango', 'yângâ tî sängö'),
+        array('sr', 'srp', 'srp', 'srp', 'Serbian', 'српски језик'),
+        array('gd', 'gla', 'gla', 'gla', 'Scottish Gaelic, Gaelic', 'Gàidhlig'),
+        array('sn', 'sna', 'sna', 'sna', 'Shona', 'chiShona'),
+        array('si', 'sin', 'sin', 'sin', 'Sinhala, Sinhalese', 'සිංහල'),
+        array('sk', 'slk', 'slo', 'slk', 'Slovak', 'slovenčina, slovenský jazyk'),
+        array('sl', 'slv', 'slv', 'slv', 'Slovene', 'slovenski jezik, slovenščina'),
+        array('so', 'som', 'som', 'som', 'Somali', 'Soomaaliga, af Soomaali'),
+        array('st', 'sot', 'sot', 'sot', 'Southern Sotho', 'Sesotho'),
+        array('es', 'spa', 'spa', 'spa', 'Spanish', 'español'),
+        array('su', 'sun', 'sun', 'sun', 'Sundanese', 'Basa Sunda'),
+        array('sw', 'swa', 'swa', 'swa', 'Swahili', 'Kiswahili'),
+        array('ss', 'ssw', 'ssw', 'ssw', 'Swati', 'SiSwati'),
+        array('sv', 'swe', 'swe', 'swe', 'Swedish', 'svenska'),
+        array('ta', 'tam', 'tam', 'tam', 'Tamil', 'தமிழ்'),
+        array('te', 'tel', 'tel', 'tel', 'Telugu', 'తెలుగు'),
+        array('tg', 'tgk', 'tgk', 'tgk', 'Tajik', 'тоҷикӣ, toçikī, تاجیکی‎'),
+        array('th', 'tha', 'tha', 'tha', 'Thai', 'ไทย'),
+        array('ti', 'tir', 'tir', 'tir', 'Tigrinya', 'ትግርኛ'),
+        array('bo', 'bod', 'tib', 'bod', 'Tibetan Standard, Tibetan, Central', 'བོད་ཡིག'),
+        array('tk', 'tuk', 'tuk', 'tuk', 'Turkmen', 'Türkmen, Түркмен'),
+        array('tl', 'tgl', 'tgl', 'tgl', 'Tagalog', 'Wikang Tagalog, ᜏᜒᜃᜅ᜔ ᜆᜄᜎᜓᜄ᜔'),
+        array('tn', 'tsn', 'tsn', 'tsn', 'Tswana', 'Setswana'),
+        array('to', 'ton', 'ton', 'ton', 'Tonga (Tonga Islands)', 'faka Tonga'),
+        array('tr', 'tur', 'tur', 'tur', 'Turkish', 'Türkçe'),
+        array('ts', 'tso', 'tso', 'tso', 'Tsonga', 'Xitsonga'),
+        array('tt', 'tat', 'tat', 'tat', 'Tatar', 'татар теле, tatar tele'),
+        array('tw', 'twi', 'twi', 'twi', 'Twi', 'Twi'),
+        array('ty', 'tah', 'tah', 'tah', 'Tahitian', 'Reo Tahiti'),
+        array('ug', 'uig', 'uig', 'uig', 'Uyghur', 'ئۇيغۇرچە‎, Uyghurche'),
+        array('uk', 'ukr', 'ukr', 'ukr', 'Ukrainian', 'українська мова'),
+        array('ur', 'urd', 'urd', 'urd', 'Urdu', 'اردو'),
+        array('uz', 'uzb', 'uzb', 'uzb', 'Uzbek', 'Oʻzbek, Ўзбек, أۇزبېك‎'),
+        array('ve', 'ven', 'ven', 'ven', 'Venda', 'Tshivenḓa'),
+        array('vi', 'vie', 'vie', 'vie', 'Vietnamese', 'Việt Nam'),
+        array('vo', 'vol', 'vol', 'vol', 'Volapük', 'Volapük'),
+        array('wa', 'wln', 'wln', 'wln', 'Walloon', 'walon'),
+        array('cy', 'cym', 'wel', 'cym', 'Welsh', 'Cymraeg'),
+        array('wo', 'wol', 'wol', 'wol', 'Wolof', 'Wollof'),
+        array('fy', 'fry', 'fry', 'fry', 'Western Frisian', 'Frysk'),
+        array('xh', 'xho', 'xho', 'xho', 'Xhosa', 'isiXhosa'),
+        array('yi', 'yid', 'yid', 'yid', 'Yiddish', 'ייִדיש'),
+        array('yo', 'yor', 'yor', 'yor', 'Yoruba', 'Yorùbá'),
+        array('za', 'zha', 'zha', 'zha', 'Zhuang, Chuang', 'Saɯ cueŋƅ, Saw cuengh'),
+        array('zu', 'zul', 'zul', 'zul', 'Zulu', 'isiZulu'),
+    );
+
+    /*
+     * Get all language data
+     *
+     * @return (array)
+    */
+    public function allLanguages()
+    {
+        return $this->languages;
+    }
+
+    /*
+     * Get language name from ISO-639-1 (two-letters code)
+     *
+     * @return (string)
+     */
+    public function languageByCode1($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[0] == $code) {
+                $result = $lang[4];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get native language name from ISO-639-1 (two-letters code)
+     *
+     * @return (string)
+     */
+    public function nativeByCode1($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[0] == $code) {
+                $result = $lang[5];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get language name from ISO-639-2/t (three-letter codes) terminologic
+     *
+     * @return (string)
+     */
+    public function languageByCode2t($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[1] == $code) {
+                $result = $lang[4];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get native language name from ISO-639-2/t (three-letter codes) terminologic
+     *
+     * @return (string)
+     */
+    public function nativeByCode2t($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[1] == $code) {
+                $result = $lang[5];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get language name from ISO-639-2/b (three-letter codes) bibliographic
+     *
+     * @return (string)
+     */
+    public function languageByCode2b($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[2] == $code) {
+                $result = $lang[4];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get native language name from ISO-639-2/b (three-letter codes) bibliographic
+     *
+     * @return (string)
+     */
+    public function nativeByCode2b($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[2] == $code) {
+                $result = $lang[5];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get language name from ISO-639-3 (three-letter codes)
+     *
+     * @return (string)
+     */
+    public function languageByCode3($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[3] == $code) {
+                $result = $lang[4];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get native language name from ISO-639-3 (three-letter codes)
+     *
+     * @return (string)
+     */
+    public function nativeByCode3($code)
+    {
+        $code = strtolower($code);
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if ($lang[3] == $code) {
+                $result = $lang[5];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get ISO-639-1 (two-letters code) from language name
+     *
+     * @return (string)
+     */
+    public function code1ByLanguage($language)
+    {
+        $language_key = ucwords(strtolower($language));
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if (in_array($language_key, explode(', ', $lang[4]))) {
+                $result = $lang[0];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get ISO-639-2/t (three-letter codes) terminologic from language name
+     *
+     * @return (string)
+     */
+    public function code2tByLanguage($language)
+    {
+        $language_key = ucwords(strtolower($language));
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if (in_array($language_key, explode(', ', $lang[4]))) {
+                $result = $lang[1];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get ISO-639-2/b (three-letter codes) bibliographic from language name
+     *
+     * @return (string)
+     */
+    public function code2bByLanguage($language)
+    {
+        $language_key = ucwords(strtolower($language));
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if (in_array($language_key, explode(', ', $lang[4]))) {
+                $result = $lang[2];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
+    /*
+     * Get ISO-639-3 (three-letter codes) from language name
+     *
+     * @return (string)
+     */
+    public function code3ByLanguage($language)
+    {
+        $language_key = ucwords(strtolower($language));
+
+        $result = '';
+
+        foreach ($this->languages as $lang) {
+            if (in_array($language_key, explode(', ', $lang[4]))) {
+                $result = $lang[3];
+                break;
+            }
+        }
+
+        return $result;
+    }
+}
diff --git a/langfilter/vendor/matriphe/iso-639/tests/ISO639Test.php b/langfilter/vendor/matriphe/iso-639/tests/ISO639Test.php
new file mode 100644
index 000000000..b4f22ed77
--- /dev/null
+++ b/langfilter/vendor/matriphe/iso-639/tests/ISO639Test.php
@@ -0,0 +1,239 @@
+<?php
+
+use Matriphe\ISO639\ISO639;
+
+class ISO639Test extends PHPUnit_Framework_TestCase
+{
+    public function __construct()
+    {
+        $this->iso = new ISO639();
+    }
+
+    public function testLanguageISO6391()
+    {
+        $this->assertSame('English', $this->iso->languageByCode1('en'));
+        $this->assertSame('French', $this->iso->languageByCode1('fr'));
+        $this->assertSame('Spanish', $this->iso->languageByCode1('es'));
+        $this->assertSame('Indonesian', $this->iso->languageByCode1('id'));
+        $this->assertSame('Javanese', $this->iso->languageByCode1('jv'));
+        $this->assertSame('Hindi', $this->iso->languageByCode1('hi'));
+        $this->assertSame('Thai', $this->iso->languageByCode1('th'));
+        $this->assertSame('Korean', $this->iso->languageByCode1('ko'));
+        $this->assertSame('Japanese', $this->iso->languageByCode1('ja'));
+        $this->assertSame('Chinese', $this->iso->languageByCode1('zh'));
+        $this->assertSame('Russian', $this->iso->languageByCode1('ru'));
+        $this->assertSame('Arabic', $this->iso->languageByCode1('ar'));
+        $this->assertSame('Vietnamese', $this->iso->languageByCode1('vi'));
+        $this->assertSame('Malay', $this->iso->languageByCode1('ms'));
+        $this->assertSame('Sundanese', $this->iso->languageByCode1('su'));
+    }
+
+    public function testNativeISO6391()
+    {
+        $this->assertSame('English', $this->iso->nativeByCode1('en'));
+        $this->assertSame('français, langue française', $this->iso->nativeByCode1('fr'));
+        $this->assertSame('español', $this->iso->nativeByCode1('es'));
+        $this->assertSame('Bahasa Indonesia', $this->iso->nativeByCode1('id'));
+        $this->assertSame('basa Jawa', $this->iso->nativeByCode1('jv'));
+        $this->assertSame('हिन्दी, हिंदी', $this->iso->nativeByCode1('hi'));
+        $this->assertSame('ไทย', $this->iso->nativeByCode1('th'));
+        $this->assertSame('한국어, 조선어', $this->iso->nativeByCode1('ko'));
+        $this->assertSame('日本語 (にほんご)', $this->iso->nativeByCode1('ja'));
+        $this->assertSame('中文 (Zhōngwén), 汉语, 漢語', $this->iso->nativeByCode1('zh'));
+        $this->assertSame('Русский', $this->iso->nativeByCode1('ru'));
+        $this->assertSame('العربية', $this->iso->nativeByCode1('ar'));
+        $this->assertSame('Việt Nam', $this->iso->nativeByCode1('vi'));
+        $this->assertSame('bahasa Melayu, بهاس ملايو‎', $this->iso->nativeByCode1('ms'));
+        $this->assertSame('Basa Sunda', $this->iso->nativeByCode1('su'));
+    }
+
+    public function testLanguageISO6392t()
+    {
+        $this->assertSame('English', $this->iso->languageByCode2t('eng'));
+        $this->assertSame('French', $this->iso->languageByCode2t('fra'));
+        $this->assertSame('Spanish', $this->iso->languageByCode2t('spa'));
+        $this->assertSame('Indonesian', $this->iso->languageByCode2t('ind'));
+        $this->assertSame('Javanese', $this->iso->languageByCode2t('jav'));
+        $this->assertSame('Hindi', $this->iso->languageByCode2t('hin'));
+        $this->assertSame('Thai', $this->iso->languageByCode2t('tha'));
+        $this->assertSame('Korean', $this->iso->languageByCode2t('kor'));
+        $this->assertSame('Japanese', $this->iso->languageByCode2t('jpn'));
+        $this->assertSame('Chinese', $this->iso->languageByCode2t('zho'));
+        $this->assertSame('Russian', $this->iso->languageByCode2t('rus'));
+        $this->assertSame('Arabic', $this->iso->languageByCode2t('ara'));
+        $this->assertSame('Vietnamese', $this->iso->languageByCode2t('vie'));
+        $this->assertSame('Malay', $this->iso->languageByCode2t('msa'));
+        $this->assertSame('Sundanese', $this->iso->languageByCode2t('sun'));
+    }
+
+    public function testNativeISO6392t()
+    {
+        $this->assertSame('English', $this->iso->nativeByCode2t('eng'));
+        $this->assertSame('français, langue française', $this->iso->nativeByCode2t('fra'));
+        $this->assertSame('español', $this->iso->nativeByCode2t('spa'));
+        $this->assertSame('Bahasa Indonesia', $this->iso->nativeByCode2t('ind'));
+        $this->assertSame('basa Jawa', $this->iso->nativeByCode2t('jav'));
+        $this->assertSame('हिन्दी, हिंदी', $this->iso->nativeByCode2t('hin'));
+        $this->assertSame('ไทย', $this->iso->nativeByCode2t('tha'));
+        $this->assertSame('한국어, 조선어', $this->iso->nativeByCode2t('kor'));
+        $this->assertSame('日本語 (にほんご)', $this->iso->nativeByCode2t('jpn'));
+        $this->assertSame('中文 (Zhōngwén), 汉语, 漢語', $this->iso->nativeByCode2t('zho'));
+        $this->assertSame('Русский', $this->iso->nativeByCode2t('rus'));
+        $this->assertSame('العربية', $this->iso->nativeByCode2t('ara'));
+        $this->assertSame('Việt Nam', $this->iso->nativeByCode2t('vie'));
+        $this->assertSame('bahasa Melayu, بهاس ملايو‎', $this->iso->nativeByCode2t('msa'));
+        $this->assertSame('Basa Sunda', $this->iso->nativeByCode2t('sun'));
+    }
+
+    public function testLanguageISO6392b()
+    {
+        $this->assertSame('English', $this->iso->languageByCode2b('eng'));
+        $this->assertSame('French', $this->iso->languageByCode2b('fre'));
+        $this->assertSame('Spanish', $this->iso->languageByCode2b('spa'));
+        $this->assertSame('Indonesian', $this->iso->languageByCode2b('ind'));
+        $this->assertSame('Javanese', $this->iso->languageByCode2b('jav'));
+        $this->assertSame('Hindi', $this->iso->languageByCode2b('hin'));
+        $this->assertSame('Thai', $this->iso->languageByCode2b('tha'));
+        $this->assertSame('Korean', $this->iso->languageByCode2b('kor'));
+        $this->assertSame('Japanese', $this->iso->languageByCode2b('jpn'));
+        $this->assertSame('Chinese', $this->iso->languageByCode2b('chi'));
+        $this->assertSame('Russian', $this->iso->languageByCode2b('rus'));
+        $this->assertSame('Arabic', $this->iso->languageByCode2b('ara'));
+        $this->assertSame('Vietnamese', $this->iso->languageByCode2b('vie'));
+        $this->assertSame('Malay', $this->iso->languageByCode2b('may'));
+        $this->assertSame('Sundanese', $this->iso->languageByCode2b('sun'));
+    }
+
+    public function testNativeISO6392b()
+    {
+        $this->assertSame('English', $this->iso->nativeByCode2b('eng'));
+        $this->assertSame('français, langue française', $this->iso->nativeByCode2b('fre'));
+        $this->assertSame('español', $this->iso->nativeByCode2b('spa'));
+        $this->assertSame('Bahasa Indonesia', $this->iso->nativeByCode2b('ind'));
+        $this->assertSame('basa Jawa', $this->iso->nativeByCode2b('jav'));
+        $this->assertSame('हिन्दी, हिंदी', $this->iso->nativeByCode2b('hin'));
+        $this->assertSame('ไทย', $this->iso->nativeByCode2b('tha'));
+        $this->assertSame('한국어, 조선어', $this->iso->nativeByCode2b('kor'));
+        $this->assertSame('日本語 (にほんご)', $this->iso->nativeByCode2b('jpn'));
+        $this->assertSame('中文 (Zhōngwén), 汉语, 漢語', $this->iso->nativeByCode2b('chi'));
+        $this->assertSame('Русский', $this->iso->nativeByCode2b('rus'));
+        $this->assertSame('العربية', $this->iso->nativeByCode2b('ara'));
+        $this->assertSame('Việt Nam', $this->iso->nativeByCode2b('vie'));
+        $this->assertSame('bahasa Melayu, بهاس ملايو‎', $this->iso->nativeByCode2b('may'));
+        $this->assertSame('Basa Sunda', $this->iso->nativeByCode2b('sun'));
+    }
+
+    public function testLanguageISO6393()
+    {
+        $this->assertSame('English', $this->iso->languageByCode3('eng'));
+        $this->assertSame('French', $this->iso->languageByCode3('fra'));
+        $this->assertSame('Spanish', $this->iso->languageByCode3('spa'));
+        $this->assertSame('Indonesian', $this->iso->languageByCode3('ind'));
+        $this->assertSame('Javanese', $this->iso->languageByCode3('jav'));
+        $this->assertSame('Hindi', $this->iso->languageByCode3('hin'));
+        $this->assertSame('Thai', $this->iso->languageByCode3('tha'));
+        $this->assertSame('Korean', $this->iso->languageByCode3('kor'));
+        $this->assertSame('Japanese', $this->iso->languageByCode3('jpn'));
+        $this->assertSame('Chinese', $this->iso->languageByCode3('zho'));
+        $this->assertSame('Russian', $this->iso->languageByCode3('rus'));
+        $this->assertSame('Arabic', $this->iso->languageByCode3('ara'));
+        $this->assertSame('Vietnamese', $this->iso->languageByCode3('vie'));
+        $this->assertSame('Malay', $this->iso->languageByCode3('msa'));
+        $this->assertSame('Sundanese', $this->iso->languageByCode3('sun'));
+    }
+
+    public function testNativeISO6393()
+    {
+        $this->assertSame('English', $this->iso->nativeByCode3('eng'));
+        $this->assertSame('français, langue française', $this->iso->nativeByCode3('fra'));
+        $this->assertSame('español', $this->iso->nativeByCode3('spa'));
+        $this->assertSame('Bahasa Indonesia', $this->iso->nativeByCode3('ind'));
+        $this->assertSame('basa Jawa', $this->iso->nativeByCode3('jav'));
+        $this->assertSame('हिन्दी, हिंदी', $this->iso->nativeByCode3('hin'));
+        $this->assertSame('ไทย', $this->iso->nativeByCode3('tha'));
+        $this->assertSame('한국어, 조선어', $this->iso->nativeByCode3('kor'));
+        $this->assertSame('日本語 (にほんご)', $this->iso->nativeByCode3('jpn'));
+        $this->assertSame('中文 (Zhōngwén), 汉语, 漢語', $this->iso->nativeByCode3('zho'));
+        $this->assertSame('Русский', $this->iso->nativeByCode3('rus'));
+        $this->assertSame('العربية', $this->iso->nativeByCode3('ara'));
+        $this->assertSame('Việt Nam', $this->iso->nativeByCode3('vie'));
+        $this->assertSame('bahasa Melayu, بهاس ملايو‎', $this->iso->nativeByCode3('msa'));
+        $this->assertSame('Basa Sunda', $this->iso->nativeByCode3('sun'));
+    }
+
+    public function testISO6391Language()
+    {
+        $this->assertSame('en', $this->iso->code1ByLanguage('English'));
+        $this->assertSame('fr', $this->iso->code1ByLanguage('French'));
+        $this->assertSame('es', $this->iso->code1ByLanguage('Spanish'));
+        $this->assertSame('id', $this->iso->code1ByLanguage('Indonesian'));
+        $this->assertSame('jv', $this->iso->code1ByLanguage('Javanese'));
+        $this->assertSame('hi', $this->iso->code1ByLanguage('Hindi'));
+        $this->assertSame('th', $this->iso->code1ByLanguage('Thai'));
+        $this->assertSame('ko', $this->iso->code1ByLanguage('Korean'));
+        $this->assertSame('ja', $this->iso->code1ByLanguage('Japanese'));
+        $this->assertSame('zh', $this->iso->code1ByLanguage('Chinese'));
+        $this->assertSame('ru', $this->iso->code1ByLanguage('Russian'));
+        $this->assertSame('ar', $this->iso->code1ByLanguage('Arabic'));
+        $this->assertSame('vi', $this->iso->code1ByLanguage('Vietnamese'));
+        $this->assertSame('ms', $this->iso->code1ByLanguage('Malay'));
+        $this->assertSame('su', $this->iso->code1ByLanguage('Sundanese'));
+    }
+
+    public function testISO6392tLanguage()
+    {
+        $this->assertSame('eng', $this->iso->code2tByLanguage('English'));
+        $this->assertSame('fra', $this->iso->code2tByLanguage('French'));
+        $this->assertSame('spa', $this->iso->code2tByLanguage('Spanish'));
+        $this->assertSame('ind', $this->iso->code2tByLanguage('Indonesian'));
+        $this->assertSame('jav', $this->iso->code2tByLanguage('Javanese'));
+        $this->assertSame('hin', $this->iso->code2tByLanguage('Hindi'));
+        $this->assertSame('tha', $this->iso->code2tByLanguage('Thai'));
+        $this->assertSame('kor', $this->iso->code2tByLanguage('Korean'));
+        $this->assertSame('jpn', $this->iso->code2tByLanguage('Japanese'));
+        $this->assertSame('zho', $this->iso->code2tByLanguage('Chinese'));
+        $this->assertSame('rus', $this->iso->code2tByLanguage('Russian'));
+        $this->assertSame('ara', $this->iso->code2tByLanguage('Arabic'));
+        $this->assertSame('vie', $this->iso->code2tByLanguage('Vietnamese'));
+        $this->assertSame('msa', $this->iso->code2tByLanguage('Malay'));
+        $this->assertSame('sun', $this->iso->code2tByLanguage('Sundanese'));
+    }
+
+    public function testISO6392bLanguage()
+    {
+        $this->assertSame('eng', $this->iso->code2bByLanguage('English'));
+        $this->assertSame('fre', $this->iso->code2bByLanguage('French'));
+        $this->assertSame('spa', $this->iso->code2bByLanguage('Spanish'));
+        $this->assertSame('ind', $this->iso->code2bByLanguage('Indonesian'));
+        $this->assertSame('jav', $this->iso->code2bByLanguage('Javanese'));
+        $this->assertSame('hin', $this->iso->code2bByLanguage('Hindi'));
+        $this->assertSame('tha', $this->iso->code2bByLanguage('Thai'));
+        $this->assertSame('kor', $this->iso->code2bByLanguage('Korean'));
+        $this->assertSame('jpn', $this->iso->code2bByLanguage('Japanese'));
+        $this->assertSame('chi', $this->iso->code2bByLanguage('Chinese'));
+        $this->assertSame('rus', $this->iso->code2bByLanguage('Russian'));
+        $this->assertSame('ara', $this->iso->code2bByLanguage('Arabic'));
+        $this->assertSame('vie', $this->iso->code2bByLanguage('Vietnamese'));
+        $this->assertSame('may', $this->iso->code2bByLanguage('Malay'));
+        $this->assertSame('sun', $this->iso->code2bByLanguage('Sundanese'));
+    }
+
+    public function testISO6393Language()
+    {
+        $this->assertSame('eng', $this->iso->code3ByLanguage('English'));
+        $this->assertSame('fra', $this->iso->code3ByLanguage('French'));
+        $this->assertSame('spa', $this->iso->code3ByLanguage('Spanish'));
+        $this->assertSame('ind', $this->iso->code3ByLanguage('Indonesian'));
+        $this->assertSame('jav', $this->iso->code3ByLanguage('Javanese'));
+        $this->assertSame('hin', $this->iso->code3ByLanguage('Hindi'));
+        $this->assertSame('tha', $this->iso->code3ByLanguage('Thai'));
+        $this->assertSame('kor', $this->iso->code3ByLanguage('Korean'));
+        $this->assertSame('jpn', $this->iso->code3ByLanguage('Japanese'));
+        $this->assertSame('zho', $this->iso->code3ByLanguage('Chinese'));
+        $this->assertSame('rus', $this->iso->code3ByLanguage('Russian'));
+        $this->assertSame('ara', $this->iso->code3ByLanguage('Arabic'));
+        $this->assertSame('vie', $this->iso->code3ByLanguage('Vietnamese'));
+        $this->assertSame('msa', $this->iso->code3ByLanguage('Malay'));
+        $this->assertSame('sun', $this->iso->code3ByLanguage('Sundanese'));
+    }
+}

From 72ce0e814dce90ab6a36686688875f2ef7e0cf99 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Sat, 3 Oct 2020 22:02:05 -0400
Subject: [PATCH 2/3] [langfilter] Add slider to addon settings

- Update description for accuracy
---
 langfilter/langfilter.php         | 2 +-
 langfilter/templates/settings.tpl | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/langfilter/langfilter.php b/langfilter/langfilter.php
index 5c5f797a6..abd3c7045 100644
--- a/langfilter/langfilter.php
+++ b/langfilter/langfilter.php
@@ -52,7 +52,7 @@ function langfilter_addon_settings(App $a, &$s)
 		'$title'         => DI::l10n()->t("Language Filter"),
 		'$intro'         => DI::l10n()->t('This addon tries to identify the language posts are writen in. If it does not match any language specifed below, posts will be hidden by collapsing them.'),
 		'$enabled'       => ['langfilter_enable', DI::l10n()->t('Use the language filter'), $enable_checked, ''],
-		'$languages'     => ['langfilter_languages', DI::l10n()->t('Able to read'), $languages, DI::l10n()->t('List of abbreviations (iso2 codes) for languages you speak, comma separated. For example "de,it".')],
+		'$languages'     => ['langfilter_languages', DI::l10n()->t('Able to read'), $languages, DI::l10n()->t('List of abbreviations (ISO 639-1 codes) for languages you speak, comma separated. For example "de,it".')],
 		'$minconfidence' => ['langfilter_minconfidence', DI::l10n()->t('Minimum confidence in language detection'), $minconfidence, DI::l10n()->t('Minimum confidence in language detection being correct, from 0 to 100. Posts will not be filtered when the confidence of language detection is below this percent value.')],
 		'$minlength'     => ['langfilter_minlength', DI::l10n()->t('Minimum length of message body'), $minlength, DI::l10n()->t('Minimum number of characters in message body for filter to be used. Posts shorter than this will not be filtered. Note: Language detection is unreliable for short content (<200 characters).')],
 		'$submit'        => DI::l10n()->t('Save Settings'),
diff --git a/langfilter/templates/settings.tpl b/langfilter/templates/settings.tpl
index 8e62ef49e..d2de7fce2 100644
--- a/langfilter/templates/settings.tpl
+++ b/langfilter/templates/settings.tpl
@@ -10,7 +10,7 @@
 		<p>{{$intro}}</p>
 		{{include file="field_checkbox.tpl" field=$enabled}}
 		{{include file="field_input.tpl" field=$languages}}
-		{{include file="field_input.tpl" field=$minconfidence}}
+		{{include file="field/range_percent.tpl" field=$minconfidence}}
 		{{include file="field_input.tpl" field=$minlength}}
 	</div>
 	<div class="settings-submit-wrapper" >

From 4488a16af0d47579ecf5493a4c07b4929a6dee85 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Sat, 3 Oct 2020 22:03:29 -0400
Subject: [PATCH 3/3] [langfilter] Update master PO file after translation
 strings update

---
 langfilter/lang/C/messages.po | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/langfilter/lang/C/messages.po b/langfilter/lang/C/messages.po
index 717a93742..0fed0fae1 100644
--- a/langfilter/lang/C/messages.po
+++ b/langfilter/lang/C/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-04-01 11:11-0400\n"
+"POT-Creation-Date: 2020-10-03 22:02-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,62 +17,58 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: langfilter.php:58
+#: langfilter.php:52
 msgid "Language Filter"
 msgstr ""
 
-#: langfilter.php:59
+#: langfilter.php:53
 msgid ""
 "This addon tries to identify the language posts are writen in. If it does "
 "not match any language specifed below, posts will be hidden by collapsing "
 "them."
 msgstr ""
 
-#: langfilter.php:60
+#: langfilter.php:54
 msgid "Use the language filter"
 msgstr ""
 
-#: langfilter.php:61
+#: langfilter.php:55
 msgid "Able to read"
 msgstr ""
 
-#: langfilter.php:61
+#: langfilter.php:55
 msgid ""
-"List of abbreviations (iso2 codes) for languages you speak, comma separated. "
-"For example \"de,it\"."
+"List of abbreviations (ISO 639-1 codes) for languages you speak, comma "
+"separated. For example \"de,it\"."
 msgstr ""
 
-#: langfilter.php:62
+#: langfilter.php:56
 msgid "Minimum confidence in language detection"
 msgstr ""
 
-#: langfilter.php:62
+#: langfilter.php:56
 msgid ""
 "Minimum confidence in language detection being correct, from 0 to 100. Posts "
 "will not be filtered when the confidence of language detection is below this "
 "percent value."
 msgstr ""
 
-#: langfilter.php:63
+#: langfilter.php:57
 msgid "Minimum length of message body"
 msgstr ""
 
-#: langfilter.php:63
+#: langfilter.php:57
 msgid ""
 "Minimum number of characters in message body for filter to be used. Posts "
 "shorter than this will not be filtered. Note: Language detection is "
 "unreliable for short content (<200 characters)."
 msgstr ""
 
-#: langfilter.php:64
+#: langfilter.php:58
 msgid "Save Settings"
 msgstr ""
 
-#: langfilter.php:105
-msgid "Language Filter Settings saved."
-msgstr ""
-
-#: langfilter.php:182
+#: langfilter.php:189
 #, php-format
 msgid "Filtered language: %s"
 msgstr ""