Merge pull request #1026 from wallabag/checkpdo

New installation process

2 files changed, 543 insertions, 525 deletions

diff --git a/install/index.php b/install/index.php
index ec504160..892af241 100755
--- a/install/index.php
+++ b/install/index.php
@@ -11,18 +11,7 @@
 $errors = array();
 $successes = array();
 
-/* Function taken from at http://php.net/manual/en/function.rmdir.php#110489
- * Idea : nbari at dalmp dot com
- * Rights unknown
- * Here in case of .gitignore files
- */
-function delTree($dir) {
-    $files = array_diff(scandir($dir), array('.','..'));
-    foreach ($files as $file) {
-      (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
-    }
-    return rmdir($dir);
-  }
+require_once('wallabag_compatibility_test.php');
 
 if (isset($_GET['clean'])) {
     if (is_dir('install')){
@@ -58,136 +47,109 @@ if (isset($_POST['download'])) {
 else if (isset($_POST['install'])) {
     if (!is_dir('vendor')) {
         $errors[] = 'You must install twig before.';
-    }
-    else {
+    } else {
         $continue = true;
-        // Create config.inc.php
-        if (!copy('inc/poche/config.inc.default.php', 'inc/poche/config.inc.php')) {
-            $errors[] = 'Installation aborted, impossible to create inc/poche/config.inc.php file. Maybe you don\'t have write access to create it.';
-            $continue = false;
-        }
-        else {
-            function generate_salt() {
-                mt_srand(microtime(true)*100000 + memory_get_usage(true));
-                return md5(uniqid(mt_rand(), true));
-            }
+        $salt = generate_salt();
+        $content = file_get_contents('inc/poche/config.inc.default.php');
 
-            $content = file_get_contents('inc/poche/config.inc.php');
-            $salt = generate_salt();
-            $content = str_replace("define ('SALT', '');", "define ('SALT', '".$salt."');", $content);
-            file_put_contents('inc/poche/config.inc.php', $content);
-        }
+        // User informations
+        $username = trim($_POST['username']);
+        $password = trim($_POST['password']);
+        $salted_password = sha1($password . $username . $salt);
 
-        if ($continue) {
-
-            // User informations
-            $username = trim($_POST['username']);
-            $password = trim($_POST['password']);
-            $salted_password = sha1($password . $username . $salt);
-
-            // Database informations
-            $moreQueries = array();
-            if ($_POST['db_engine'] == 'sqlite') {
-                if (!copy('install/poche.sqlite', 'db/poche.sqlite')) {
-                    $errors[] = 'Impossible to create inc/poche/config.inc.php file.';
-                    $continue = false;
-                }
-                else {
-                    $db_path = 'sqlite:' . realpath('') . '/db/poche.sqlite';
-                    $handle = new PDO($db_path);
-                    $sql_structure = "";
-                }
+        // Database informations
+        $moreQueries = array();
+
+        if ($_POST['db_engine'] == 'sqlite') {
+            if (!copy('install/poche.sqlite', 'db/poche.sqlite')) {
+                $errors[] = 'Impossible to create the SQLite database file.';
             }
             else {
-                $content = file_get_contents('inc/poche/config.inc.php');
-
-                if ($_POST['db_engine'] == 'mysql') {
-                    $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'] . ';charset=utf8mb4';
-                    $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['mysql_server']."');", $content);
-                    $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['mysql_database']."');", $content);
-                    $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['mysql_user']."');", $content);
-                    $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['mysql_password']."');", $content);
-                    $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password'], array(
-                        PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4',
-                    ));
-
-                    $moreQueries[] = "INSERT INTO `entries` (`id`, `title`, `url`, `is_read`, `is_fav`, `content`, `user_id`) VALUES
+                $db_path = 'sqlite:' . realpath('') . '/db/poche.sqlite';
+                $handle = new PDO($db_path);
+                $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+                $sql_structure = "";
+            }
+        } else {
+            // MySQL and Postgre
+            try {
+
+            if ($_POST['db_engine'] == 'mysql') {
+                $db_path = 'mysql:host=' . $_POST['mysql_server'] . ';dbname=' . $_POST['mysql_database'] . ';charset=utf8mb4';
+                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['mysql_server']."');", $content);
+                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['mysql_database']."');", $content);
+                $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['mysql_user']."');", $content);
+                $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['mysql_password']."');", $content);
+                $handle = new PDO($db_path, $_POST['mysql_user'], $_POST['mysql_password'], array(
+                    PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8mb4',
+                ));
+
+                $moreQueries[] = "INSERT INTO `entries` (`id`, `title`, `url`, `is_read`, `is_fav`, `content`, `user_id`) VALUES
 (1, 'Framabag, un nouveau service libre et gratuit', 'http://www.framablog.org/index.php/post/2014/02/05/Framabag-service-libre-gratuit-interview-developpeur', 0, 0, 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 (3, 'a self hostable application for saving web pages | wallabag', 'https://www.wallabag.org/', 0, 1, 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, 1);";
-                    $moreQueries[] = "INSERT INTO `tags` (`id`, `value`) VALUES (1, 'opensource');";
-                    $moreQueries[] = "INSERT INTO `tags_entries` (`id`, `entry_id`, `tag_id`) VALUES (1, 2, 1);";
-
-                    $sql_structure = file_get_contents('install/mysql.sql');
-                }
-                else if ($_POST['db_engine'] == 'postgres') {
-                    $db_path = 'pgsql:host=' . $_POST['pg_server'] . ';dbname=' . $_POST['pg_database'];
-                    $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['pg_server']."');", $content);
-                    $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['pg_database']."');", $content);
-                    $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['pg_user']."');", $content);
-                    $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['pg_password']."');", $content);
-                    $handle = new PDO($db_path, $_POST['pg_user'], $_POST['pg_password']);
-                    
-                    $moreQueries[] = "INSERT INTO entries (title, url, is_read, is_fav, content, user_id) VALUES
+                $moreQueries[] = "INSERT INTO `tags` (`id`, `value`) VALUES (1, 'opensource');";
+                $moreQueries[] = "INSERT INTO `tags_entries` (`id`, `entry_id`, `tag_id`) VALUES (1, 2, 1);";
+
+                $sql_structure = file_get_contents('install/mysql.sql');
+            }
+            else if ($_POST['db_engine'] == 'postgres') {
+                $db_path = 'pgsql:host=' . $_POST['pg_server'] . ';dbname=' . $_POST['pg_database'];
+                $content = str_replace("define ('STORAGE_SERVER', 'localhost');", "define ('STORAGE_SERVER', '".$_POST['pg_server']."');", $content);
+                $content = str_replace("define ('STORAGE_DB', 'poche');", "define ('STORAGE_DB', '".$_POST['pg_database']."');", $content);
+                $content = str_replace("define ('STORAGE_USER', 'poche');", "define ('STORAGE_USER', '".$_POST['pg_user']."');", $content);
+                $content = str_replace("define ('STORAGE_PASSWORD', 'poche');", "define ('STORAGE_PASSWORD', '".$_POST['pg_password']."');", $content);
+                $handle = new PDO($db_path, $_POST['pg_user'], $_POST['pg_password']);
+                
+                $moreQueries[] = "INSERT INTO entries (title, url, is_read, is_fav, content, user_id) VALUES
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 ('wallabag/wallabag', 'https://github.com/wallabag/wallabag', false, false, convert_from(decode('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', 'hex'), 'UTF8'), 1),
 ('a self hostable application for saving web pages | wallabag', 'https://www.wallabag.org/', false, true, convert_from(decode('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', 'hex'), 'UTF8'), 1)";
-                    $moreQueries[] = "INSERT INTO tags (value) VALUES ('opensource')";
-                    $moreQueries[] = "INSERT INTO tags_entries (entry_id, tag_id) VALUES (2, 1)";
-
-                    $sql_structure = file_get_contents('install/postgres.sql');
-                }
+                $moreQueries[] = "INSERT INTO tags (value) VALUES ('opensource')";
+                $moreQueries[] = "INSERT INTO tags_entries (entry_id, tag_id) VALUES (2, 1)";
 
-                $content = str_replace("define ('STORAGE', 'sqlite');", "define ('STORAGE', '".$_POST['db_engine']."');", $content);
-                file_put_contents('inc/poche/config.inc.php', $content);
+                $sql_structure = file_get_contents('install/postgres.sql');
             }
+            // create database structure
+            $query = $handle->exec($sql_structure);
+        } catch (PDOException $e) {
+            $errors[] = $e->getMessage();
+            $continue = false;
+        }
+        }
+    }
+    if ($continue) {
+        $sql = "INSERT INTO users (username, password, name, email) VALUES (?, ?, ?, '')";
+        $params = array($username, $salted_password, $username);
+        $query = executeQuery($handle, $sql, $params);
 
-            if ($continue) {
-
-                function executeQuery($handle, $sql, $params) {
-                    try
-                    {
-                        $query = $handle->prepare($sql);
-                        $query->execute($params);
-                        return $query->fetchAll();
-                    }
-                    catch (Exception $e)
-                    {
-                        return FALSE;
-                    }
-                }
-
-                if ($_POST['db_engine'] != "sqlite") {
-                    // create database structure
-                    $query = $handle->exec($sql_structure);
-                }
-
-                // Create user
-                $handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-
-                $sql = "INSERT INTO users (username, password, name, email) VALUES (?, ?, ?, '')";
-                $params = array($username, $salted_password, $username);
-                $query = executeQuery($handle, $sql, $params);
-
-                $id_user = (int)$handle->lastInsertId('users_id_seq');
+        $id_user = (int)$handle->lastInsertId('users_id_seq');
 
-                $sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
-                $params = array($id_user, 'pager', '10');
-                $query = executeQuery($handle, $sql, $params);
+        $sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
+        $params = array($id_user, 'pager', '10');
+        $query = executeQuery($handle, $sql, $params);
 
-                $sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
-                $params = array($id_user, 'language', 'en_EN.UTF8');
-                $query = executeQuery($handle, $sql, $params);
+        $sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
+        $params = array($id_user, 'language', 'en_EN.UTF8');
+        $query = executeQuery($handle, $sql, $params);
 
-                foreach ($moreQueries as $query) {
-                    executeQuery($handle, $query, array());
-                }
+        foreach ($moreQueries as $query) {
+            executeQuery($handle, $query, array());
+        }
+        $successes[] = 'wallabag is now installed. You can now <a href="index.php?clean=0">access it !</a>';
 
-                $successes[] = 'wallabag is now installed. You can now <a href="index.php?clean=0">access it !</a>';
-            }
+    if (!copy('inc/poche/config.inc.default.php', 'inc/poche/config.inc.php')) {
+        $errors[] = 'Installation aborted, impossible to create inc/poche/config.inc.php file. Maybe you don\'t have write access to create it.';
+    } else {
+        if ($_POST['db_engine'] != 'sqlite') {
+            $content = str_replace("define ('STORAGE', 'sqlite');", "define ('STORAGE', '".$_POST['db_engine']."');", $content);
+            file_put_contents('inc/poche/config.inc.php', $content);
         }
+        $content = str_replace("define ('SALT', '');", "define ('SALT', '".$salt."');", $content);
+        file_put_contents('inc/poche/config.inc.php', $content);
     }
 }
+}
 ?>
 <!DOCTYPE html>
 <html>
@@ -210,6 +172,160 @@ else if (isset($_POST['install'])) {
         <link rel="stylesheet" href="themes/baggy/css/print.css" media="print">
         <script src="themes/_global/js/jquery-2.0.3.min.js"></script>
         <script src="themes/baggy/js/init.js"></script>
+
+
+        <style type="text/css">
+a {
+color:#000;
+text-decoration:underline;
+padding:0 1px;
+}
+a:hover {
+color:#fff;
+background-color:#333;
+text-decoration:none;
+padding:0 1px;
+}
+p {
+margin:0;
+padding:5px 0;
+}
+em {
+font-style:normal;
+background-color:#ffc;
+padding: 0.1em 0;
+}
+ul, ol {
+margin:10px 0 10px 20px;
+padding:0 0 0 15px;
+}
+ul li, ol li {
+margin:0 0 7px 0;
+padding:0 0 0 3px;
+}
+h2 {
+font-size:18px;
+padding:0;
+}
+h3 {
+font-size:16px;
+padding:0;
+margin:20px 0 5px 0;
+}
+h4 {
+font-size:14px;
+padding:0;
+margin:15px 0 5px 0;
+}
+code {
+font-size:1.1em;
+background-color:#f3f3ff;
+color:#000;
+}
+em strong {
+text-transform: uppercase;
+}
+table#chart {
+border-collapse:collapse;
+}
+table#chart th {
+background-color:#eee;
+padding:2px 3px;
+border:1px solid #fff;
+}
+table#chart td {
+text-align:center;
+padding:2px 3px;
+border:1px solid #eee;
+}
+table#chart tr.enabled td {
+/* Leave this alone */
+}
+table#chart tr.disabled td,
+table#chart tr.disabled td a {
+}
+table#chart tr.disabled td a {
+text-decoration:underline;
+}
+div.chunk {
+margin:20px 0 0 0;
+padding:0 0 10px 0;
+border-bottom:1px solid #ccc;
+}
+.footnote,
+.footnote a {
+font:10px/12px verdana, sans-serif;
+color:#aaa;
+}
+.footnote em {
+background-color:transparent;
+font-style:italic;
+}
+.good{
+background-color:#52CC5B;
+}
+.bad{
+background-color:#F74343;
+font-style:italic;
+font-weight: bold;
+}
+.pass{
+background-color:#FF9500;
+}
+.detail {
+cursor: pointer;
+}
+.descriptions {
+    margin-left: 10%;
+    position: relative;
+    top: 50%;
+}
+.database_inputs {
+    float: left;
+    width: 50%
+}
+.database_info {
+    width: 100%;
+    overflow: auto;
+}
+.compatibity_result {
+        margin: auto;
+        max-width: 300px;
+        min-height: 50px;
+        line-height: 50px;
+        text-align: center;
+    margin-bottom: 30px;
+    border-radius: 3px;
+}
+
+h2, legend {
+        font-size: 30px;
+        text-transform: uppercase;
+        font-family: "PT Sans",sans-serif;
+}
+
+legend:after {
+    content: "";
+    height: 4px;
+    width: 70px;
+    background-color: #000;
+    display: block;
+}
+#reloadpage {
+cursor: pointer;
+background-color: #000;
+color: #FFF;
+padding: 0.5em 1em;
+display: inline-block;
+border: 1px solid #000;
+}
+#reloadpage:hover {
+    background-color: #FFF;
+    color: #000;
+}
+
+</style>
+
     </head>
     <body>
         <header class="w600p center mbm">
@@ -259,24 +375,192 @@ else if (isset($_POST['install'])) {
             <?php endif; ?>
             <p>To install wallabag, you just have to fill the following fields. That's all.</p>
             <p>If you need help, you can read the doc: <a href="docs/" target="_blank">offline documentation</a> and <a href="http://doc.wallabag.org" target="_blank">online one</a> (already up-to-date).</p>
-            <p>Don't forget to check your server compatibility <a href="install/wallabag_compatibility_test.php?from=install">here</a>.</p>
-            <form method="post">
-                <fieldset>
-                    <legend><strong>Technical settings</strong></legend>
-                    <?php if (!is_dir('vendor')) : ?>
-                        <div class='messages notice install'>wallabag needs twig, a template engine (<a href="http://twig.sensiolabs.org/">?</a>). Two ways to install it:<br />
-                        <ul>
-                            <li>automatically download and extract vendor.zip into your wallabag folder. 
-                            <p><input type="submit" name="download" value="Download vendor.zip" /></p>
-                            <?php if (!extension_loaded('zip')) : ?>
-                                <b>Be careful, zip extension is not enabled in your PHP configuration. You'll have to unzip vendor.zip manually.</b>
-                            <?php endif; ?>
-                                <em>This method is mainly recommended if you don't have a dedicated server.</em></li>
-                            <li>use <a href="http://getcomposer.org/">Composer</a> :<pre><code>curl -s http://getcomposer.org/installer | php
-php composer.phar install</code></pre></li>
-                        </ul>
-                        </div>
-                    <?php endif; ?>
+
+            <div>
+                    <h2>Server compatibility test</h2>
+                    <?php if (isOkay()) { ?>
+                        <div class="compatibity_result detail good">All good</div>
+                            <?php } elseif (isPassing()) { ?>
+                            <div class="compatibity_result detail pass">Some problems, but it's OK !</div>
+                            <?php } else  { ?>
+                            <div class="compatibity_result detail bad">Bad news : you can't run wallabag</div>
+                            <?php } $status = status(); ?>
+            </div>
+
+            <div class="details">
+                <div>
+                    <hr>
+                    <h2 style="text-align:center;"><?php echo $status['app_name']; ?>: Compatibility Test</h2>
+                    <table cellpadding="0" cellspacing="0" border="0" width="100%" id="chart">
+                        <thead>
+                            <tr>
+                                <th>Test</th>
+                                <th>Should Be</th>
+                                <th>What You Have</th>
+                                <th>What it means</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <tr class="<?php echo ($status['php']) ? 'enabled' : 'disabled'; ?>">
+                                <td>PHP</td>
+                                <td>5.3.3 or higher</td>
+                                <td class="<?php echo ($status['php']) ? 'good' : 'disabled'; ?>"><?php echo phpversion(); ?></td>
+                                <td><?php echo ($status['php']) ? '<strong>PHP:</strong> You are running a supported version of PHP.' : '<strong>PHP:</strong> You are running an unsupported version of PHP. <strong>' . $status['app_name'] . ' will not work here.</strong>' ;?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['pdo']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/manual/en/book.pdo.php">PDO</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['pdo']) ? '<td class="good">Enabled</span>' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['pdo']) ? '<strong>PDO:</strong> You have PDO support enabled.' : '<strong>PDO:</strong> Your PHP installation doesn\'t support PHP PDO. <strong>' . $status['app_name'] . ' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['pdo_drivers_passing']) ? 'enabled' : 'disabled'; ?>">
+                                <td>PDO Drivers</td>
+                                <td>One of the PDO drivers must be installed</td>
+                                <?php echo ($status['pdo_drivers_passing']) ? '<td class="good">One driver is enabled</span>' : '<td class="bad">No driver available'; ?></td>
+                                <td><?php echo ($status['pdo_drivers_passing']) ? '<strong>PDO:</strong> You have at least one PDO driver installed.' : '<strong>PDO Drivers:</strong> Your PHP installation doesn\'t have any PDO driver installed. <strong>' . $status['app_name'] . ' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['xml']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/xml">XML</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['xml']) ? '<td class="good">Enabled, and sane</span>' : '<td class="bad">Disabled, or broken'; ?></td>
+                                <td><?php echo ($status['xml']) ? '<strong>XML:</strong> You have XMLReader support or a version of XML support that isn\'t broken installed.' : '<strong>XML:</strong> Your PHP installation doesn\'t support XML parsing. <strong>' . $status['app_name'] . ' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['pcre']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/pcre">PCRE</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['pcre']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['pcre']) ? '<strong>PCRE:</strong> You have PCRE support installed.' : '<strong>PCRE:</strong> Your PHP installation doesn\'t support Perl-Compatible Regular Expressions. <strong>' . $status['app_name'] .' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['zlib']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/zlib">Zlib</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['zlib']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['zlib']) ? '<strong>Zlib:</strong> You have <code>Zlib</code> enabled.  This allows SimplePie to support GZIP-encoded pages.' : '<strong>Zlib:</strong> The <code>Zlib</code> extension is not available.  SimplePie will ignore any GZIP-encoding, and instead handle pages as uncompressed text.' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['mbstring']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/mbstring">mbstring</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['mbstring']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td rowspan="2"><?php if(($status['mbstring']) && ($status['iconv'])) { ?><strong>mbstring and iconv:</strong> You have both <code>mbstring</code> and <code>iconv</code> installed!  This will allow <?php echo $status['app_name']; ?> to handle the greatest number of languages.
+                                <?php } elseif ($status['mbstring']) { ?><strong>mbstring:</strong> <code>mbstring</code> is installed, but <code>iconv</code> is not.
+                                <?php } elseif ($status['iconv']) { ?><strong>iconv:</strong> <code>iconv</code> is installed, but <code>mbstring</code> is not.
+                                <?php } else { ?><strong>mbstring and iconv:</strong> <em>You do not have either of the extensions installed.</em> This will significantly impair your ability to read non-English pages, as well as even some English ones.
+                                <?php } ?>
+                                </td>
+                            </tr>
+                            <tr class="<?php echo ($status['iconv']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/iconv">iconv</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['iconv']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['dom']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/manual/en/book.dom.php">DOM / XML extension</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['dom']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['dom']) ? '<strong>DOM/XML:</strong> You can parse <em>ini</em> files.' : '<strong>DOM/XML:</strong> Your PHP configuration isn\'t standard, you\'re missing PHP-DOM.  You may try to install a package or recompile PHP. <strong>' . $status['app_name'] . ' will not work here.</strong>'; ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['filter']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://uk.php.net/manual/en/book.filter.php">Data filtering</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['filter']) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
+                                <td><?php echo ($status['filter']) ? '<strong>Data filtering:</strong> You can use the PHP build-in DOM to operate on XML documents.' : '<strong>Data filtering:</strong> Your PHP configuration has the filter extension disabled.  <strong>' . $status['app_name'] . ' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['gd']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/manual/en/book.image.php">GD</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['gd']) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
+                                <td><?php echo($status['gd']) ? '<strong>GD:</strong> You have <code>GD</code> support installed.' : '<strong>GD:</strong> The <code>GD</code> extension is not available.  ' . $status['app_name'] . ' will not be able to download pictures locally on your server.' ?></td>
+                            </tr>                   
+                            <tr class="<?php echo ($status['tidy']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/tidy">Tidy</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['tidy']) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
+                                <td><?php echo ($status['tidy']) ? '<strong>Tidy:</strong> You have <code>Tidy</code> support installed.' : '<strong>Tidy:</strong> The <code>Tidy</code> extension is not available.' . $status['app_name'] . ' should still work with most pages, but you may experience problems with some. You can install it with <code>sudo apt-get install php5-tidy</code> and then reload Apache <code>sudo service apache2 reload</code>.' ; ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['curl']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/curl">cURL</a></td>
+                                <td>Enabled</td>
+                                <?php echo (extension_loaded('curl')) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
+                                <td><?php echo ($status['curl']) ? '<strong>cURL:</strong> You have <code>cURL</code> support installed.' : '<strong>cURL:</strong> The <code>cURL</code> extension is not available.  SimplePie will use <code>fsockopen()</code> instead.' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['parse_ini']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://uk.php.net/manual/en/function.parse-ini-file.php">Parse ini file</td>
+                                <td>Enabled</td>
+                                <?php echo ($status['parse_ini']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['parse_ini']) ? '<strong>Parse ini:</strong> You can parse <em>ini</em> files.' : '<strong>Parse ini files function :</strong> Bad luck : your webhost has decided to block the use of the <em>parse_ini_file</em> function. <strong>' . $status['app_name'] . ' will not work here.' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['parallel']) ? 'enabled' : 'disabled'; ?>">
+                                <td>Parallel URL fetching</td>
+                                <td>Enabled</td>
+                                <?php echo ($status['parallel']) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
+                                <td><?php echo ($status['parallel']) ? '<strong>Parallel URL fetching:</strong> You have <code>HttpRequestPool</code> or <code>curl_multi</code> support installed.' : '<strong>Parallel URL fetching:</strong> <code>HttpRequestPool</code> or <code>curl_multi</code> support is not available. ' . $status['app_name'] . ' will use <code>file_get_contents()</code> instead to fetch URLs sequentially rather than in parallel.' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['allow_url_fopen']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://www.php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen">allow_url_fopen</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['allow_url_fopen']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['allow_url_fopen']) ? '<strong>allow_url_fopen:</strong> You have allow_url_fopen enabled.' : '<strong>allow_url_fopen:</strong> Your PHP configuration has allow_url_fopen disabled.  <strong>' . $status['app_name'] . ' will not work here.</strong>' ?></td>
+                            </tr>
+                            <tr class="<?php echo ($status['gettext']) ? 'enabled' : 'disabled'; ?>">
+                                <td><a href="http://php.net/manual/en/book.gettext.php">gettext</a></td>
+                                <td>Enabled</td>
+                                <?php echo ($status['gettext']) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
+                                <td><?php echo ($status['gettext']) ? '<strong>Gettext:</strong> You have <code>gettext</code> enabled.</em>' : '<strong>GetText:</strong> The <code>gettext</code> extension is not available. The system we use to display wallabag in various languages is not available. <strong>' . $status['app_name'] .' will not work here.</strong>' ?></td>
+                            </tr>
+                        </tbody>
+                    </table>
+                    <hr>
+                </div>
+                <div class="details">
+                    <?php //if ($status['php'] && $status['xml'] && $status['pcre'] && $status['mbstring'] && $status['iconv'] && $status['filter'] && $status['allow_url_fopen']) { ?>
+                    <?php if (isOkay()) { ?>
+                        <h3>Bottom Line: Yes, you can run <?php echo $status['app_name']; ?> !</h3>
+                        <p><em>Your webhost has its act together!</em></p>
+                        <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $status['app_name']; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
+                    <?php //} else if ($status['php'] && $status['xml'] && $status['pcre'] && $status['mbstring'] && $status['allow_url_fopen'] && $status['filter']) { ?>
+                    <?php } else if (!isOkay() && isPassing()) { ?>
+                        <h3>Bottom Line: Yes, you can run <?php echo $status['app_name']; ?> !</h3>
+                        <p><em>For most pages, it'll run with no problems.</em> There are certain languages that you might have a hard time with though.</p>
+                        <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $status['app_name']; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
+                    <?php } else { ?>
+                        <h3>Bottom Line: We're sorry…</h3>
+                        <p><em>Your webhost does not support the minimum requirements for <?php echo $status['app_name']; ?>.</em>  It may be a good idea to contact your webhost and point them to the results of this test. They may be able to enable/install the required components.</p>
+                        <p>If this is your own server and you think you have all the requirements installed, please get in touch with us.</p>
+                    <?php } ?>
+                </div>
+
+                        <div class="chunk">
+                            <p class="footnote">This compatibility test has been borrowed (and slightly adapted by <a href="http://fivefilters.org/content-only/">fivefilters.org</a>) from the one supplied by <a href="http://simplepie.org/">SimplePie.org</a>.</a></p>
+                        </div>
+                </div>
+            <form method="post" class="technical">
+            <hr>
+            <div class='twig'>
+                <h2>Twig installation</h2>
+                <?php if (!is_dir('vendor')) : ?>
+                    
+                    <p>wallabag needs twig, a template engine (<a href="http://twig.sensiolabs.org/">?</a>). Two ways to install it:</p>
+                    <ul>
+                        <li>automatically download and extract vendor.zip into your wallabag folder. 
+                        <p><input type="submit" name="download" value="Download vendor.zip" /></p>
+                        <?php if (!extension_loaded('zip')) : ?>
+                            <b>Be careful, zip extension is not enabled in your PHP configuration. You'll have to unzip vendor.zip manually.</b>
+                        <?php endif; ?>
+                            <em>This method is mainly recommended if you don't have a dedicated server.</em></li>
+                        <li>use <a href="http://getcomposer.org/">Composer</a> in your wallabag folder :<pre><code>curl -s http://getcomposer.org/installer | php
+php composer.phar install</code></pre>
+                        <span id="reloadpage">Reload to check</span>
+                        </li>
+                    </ul>
+                    
+                <?php else : ?>
+                    Twig is properly installed.
+                <?php endif; ?>
+                </div>
+                <div class="database_info">
+                <hr>
+                <fieldset class="database_inputs">
+                    <legend><strong>Database settings</strong></legend>
                     <p>
                         Database engine:
                         <ul>
@@ -287,6 +571,9 @@ php composer.phar install</code></pre></li>
                             </li>
                             <li>
                                 <label for="mysql">MySQL</label> <input name="db_engine" type="radio" id="mysql" value="mysql" />
+                                <div id="pdo_mysql" class='messages notice install'>
+                                    <p>All fields have to be filled.</p>
+                                </div>
                                 <ul id="mysql_infos">
                                     <li><label for="mysql_server">Server</label> <input type="text" placeholder="localhost" id="mysql_server" name="mysql_server" /></li>
                                     <li><label for="mysql_database">Database</label> <input type="text" placeholder="wallabag" id="mysql_database" name="mysql_database" /></li>
@@ -296,6 +583,9 @@ php composer.phar install</code></pre></li>
                             </li>
                             <li>
                                 <label for="postgres">PostgreSQL</label> <input name="db_engine" type="radio" id="postgres" value="postgres" />
+                                <div id="pdo_postgres" class='messages notice install'>
+                                    <p>All fields have to be filled.</p>
+                                </div>
                                 <ul id="pg_infos">
                                     <li><label for="pg_server">Server</label> <input type="text" placeholder="localhost" id="pg_server" name="pg_server" /></li>
                                     <li><label for="pg_database">Database</label> <input type="text" placeholder="wallabag" id="pg_database" name="pg_database" /></li>
@@ -306,8 +596,21 @@ php composer.phar install</code></pre></li>
                         </ul>
                     </p>
                 </fieldset>
-
-                <fieldset>
+                <div class="descriptions">
+                    <div id="sqlite_description">
+                        SQLite is the most simple database system of all three. It is therefore recommended for people who don't want or know how to configure other database systems.
+                    </div>
+                    <div id="mysql_description">
+                        MySQL is one of the most popular database systems. It comes with most shared hosting plans.
+                    </div>
+                    <div id="postgres_description">
+                        PostgreSQL. Because some people prefer it to MySQL.
+                    </div>
+                </div>
+                </div>
+                <hr>
+                <div class="usersettings">
+                <fieldset style="clear: both">
                     <legend><strong>User settings</strong></legend>
                     <p>
                         <label for="username">Username</label>
@@ -323,13 +626,42 @@ php composer.phar install</code></pre></li>
                         <input type="email" id="email" name="email" />
                     </p>
                 </fieldset>
-
                 <input type="submit" id="install_button" value="Install wallabag" name="install" />
+                </div>
             </form>
         </div>
         <script>
+            <?php if (!is_dir('vendor')) : ?>
+            $(".database_info").hide();
+            $(".usersettings").hide();
+            <?php endif ?>
+            /* 
+             * Database showing/hiding
+             */ 
             $("#mysql_infos").hide();
+            $("#mysql_description").hide();
             $("#pg_infos").hide();
+            $("#postgres_description").hide();
+            $("#sqlite_description").show();
+            $("#pdo_postgres").hide();
+            $("#pdo_mysql").hide();
+
+            /*
+             * Details hiding
+             */
+
+            $(".details").hide();
+
+            <?php
+            if (!isPassing()) : ?>
+                $('.technical').hide();
+            <?php
+            else :
+            ?>
+                $('.technical').show();
+            <?php
+            endif;
+            ?>
 
             <?php
             if (!extension_loaded('pdo_sqlite')) : ?>
@@ -346,20 +678,35 @@ php composer.phar install</code></pre></li>
                 {
                     if ( $("#mysql").prop('checked')) {
                         $("#mysql_infos").show();
+                        $("#pdo_mysql").show();
                         $("#pg_infos").hide();
+                        $("#pdo_postgres").hide();
                         $("#pdo_sqlite").hide();
-                        $("#install_button").show();
+                        $("#sqlite_description").hide();
+                        $("#postgres_description").hide();
+                        $("#mysql_description").show();
+                        $("#install_button").show();        
                     }
                     else {
                         if ( $("#postgres").prop('checked')) {
                             $("#mysql_infos").hide();
+                            $("#pdo_mysql").hide();
                             $("#pg_infos").show();
+                            $("#pdo_postgres").show();
                             $("#pdo_sqlite").hide();
+                            $("#sqlite_description").hide();
+                            $("#mysql_description").hide();
+                            $("#postgres_description").show();
                             $("#install_button").show();
                         }
                         else {
                             $("#mysql_infos").hide();
                             $("#pg_infos").hide();
+                            $("#pdo_postgres").hide();
+                            $("#pdo_mysql").hide();
+                            $("#sqlite_description").show();
+                            $("#mysql_description").hide();
+                            $("#postgres_description").hide();
                             <?php
                             if (!extension_loaded('pdo_sqlite')) : ?>
                             $("#pdo_sqlite").show();
@@ -370,6 +717,16 @@ php composer.phar install</code></pre></li>
                         }
                     }
                 });
+
+            $(".detail").click(function()
+            {
+                $('.details').toggle();
+            });
+            $("#reloadpage").click(function()
+            {
+                 location.reload();
+            });
+
         </script>
     </body>
 </html>
diff --git a/install/wallabag_compatibility_test.php b/install/wallabag_compatibility_test.php
index 61a8e99f..3b465851 100644
--- a/install/wallabag_compatibility_test.php
+++ b/install/wallabag_compatibility_test.php
@@ -8,9 +8,11 @@
  * @license    http://opensource.org/licenses/MIT see COPYING file
  */
 
+function status() {
 $app_name = 'wallabag';
 
 $php_ok = (function_exists('version_compare') && version_compare(phpversion(), '5.3.3', '>='));
+$pdo_ok = class_exists('PDO');
 $pcre_ok = extension_loaded('pcre');
 $zlib_ok = extension_loaded('zlib');
 $mbstring_ok = extension_loaded('mbstring');
@@ -24,7 +26,7 @@ $allow_url_fopen_ok = (bool)ini_get('allow_url_fopen');
 $filter_ok = extension_loaded('filter');
 $gettext_ok = function_exists("gettext");
 $gd_ok = extension_loaded('gd');
-
+$pdo_drivers_passing = extension_loaded('pdo_sqlite') || extension_loaded('pdo_mysql') || extension_loaded('pdo_pgsql');
 
 if (extension_loaded('xmlreader')) {
         $xml_ok = true;
@@ -37,391 +39,50 @@ if (extension_loaded('xmlreader')) {
         $xml_ok = false;
 }
 
-header('Content-type: text/html; charset=UTF-8');
-
-?><!DOCTYPE html>
-
-<html lang="en">
-<head>
-<title><?php echo $app_name; ?>: Server Compatibility Test</title>
-
-<style type="text/css">
-body {
-        font:14px/1.4em "Lucida Grande", Verdana, Arial, Helvetica, Clean, Sans, sans-serif;
-        letter-spacing:0px;
-        color:#333;
-        margin:0;
-        padding:0;
-        background:#fff;
-}
-
-div#site {
-        width:550px;
-        margin:20px auto 0 auto;
-}
-
-a {
-        color:#000;
-        text-decoration:underline;
-        padding:0 1px;
-}
-
-a:hover {
-        color:#fff;
-        background-color:#333;
-        text-decoration:none;
-        padding:0 1px;
-}
-
-p {
-        margin:0;
-        padding:5px 0;
-}
-
-em {
-        font-style:normal;
-        background-color:#ffc;
-        padding: 0.1em 0;
-}
-
-ul, ol {
-        margin:10px 0 10px 20px;
-        padding:0 0 0 15px;
-}
-
-ul li, ol li {
-        margin:0 0 7px 0;
-        padding:0 0 0 3px;
-}
-
-h2 {
-        font-size:18px;
-        padding:0;
-        margin:30px 0 20px 0;
-}
-
-h3 {
-        font-size:16px;
-        padding:0;
-        margin:20px 0 5px 0;
-}
-
-h4 {
-        font-size:14px;
-        padding:0;
-        margin:15px 0 5px 0;
-}
-
-code {
-        font-size:1.1em;
-        background-color:#f3f3ff;
-        color:#000;
-}
-
-em strong {
-    text-transform: uppercase;
-}
-
-table#chart {
-        border-collapse:collapse;
-}
-
-table#chart th {
-        background-color:#eee;
-        padding:2px 3px;
-        border:1px solid #fff;
-}
-
-table#chart td {
-        text-align:center;
-        padding:2px 3px;
-        border:1px solid #eee;
-}
-
-table#chart tr.enabled td {
-        /* Leave this alone */
-}
-
-table#chart tr.disabled td, 
-table#chart tr.disabled td a {
-}
-
-table#chart tr.disabled td a {
-        text-decoration:underline;
-}
-
-div.chunk {
-        margin:20px 0 0 0;
-        padding:0 0 10px 0;
-        border-bottom:1px solid #ccc;
-}
+$status = array('app_name' => $app_name, 'php' => $php_ok, 'pdo' => $pdo_ok, 'pdo_drivers_passing' => $pdo_drivers_passing, 'xml' => $xml_ok, 'pcre' => $pcre_ok, 'zlib' => $zlib_ok, 'mbstring' => $mbstring_ok, 'dom' => $dom_ok, 'iconv' => $iconv_ok, 'tidy' => $tidy_ok, 'curl' => $curl_ok, 'parse_ini' => $parse_ini_ok, 'parallel' => $parallel_ok, 'allow_url_fopen' => $allow_url_fopen_ok, 'filter' => $filter_ok, 'gettext' => $gettext_ok, 'gd' => $gd_ok);
 
-.footnote,
-.footnote a {
-        font:10px/12px verdana, sans-serif;
-        color:#aaa;
+return $status;
 }
-
-.footnote em {
-        background-color:transparent;
-        font-style:italic;
+function isOkay() {
+        return !in_array(false, status());
 }
 
-.good{
-background-color:#52CC5B;
-}
-.bad{
-background-color:#F74343;
-font-style:italic;
-font-weight: bold;
+function isPassing() {
+        $status = status();
+        unset($status['curl'], $status['parallel'], $status['tidy'], $status['gd'], $status['filter']);
+        return !in_array(false, $status);
 }
-.pass{
-background-color:#FF9500;
-}
-
-</style>
 
-</head>
-
-<body>
-<?php
-$frominstall = false;
-if (isset($_GET['from'])){
-        if ($_GET['from'] == 'install'){
-                $frominstall = true;
-                }}
-?>
-<div id="site">
-        <div id="content">
-
-                <div class="chunk">
-                        <h2 style="text-align:center;"><?php echo $app_name; ?>: Compatibility Test</h2>
-                        <table cellpadding="0" cellspacing="0" border="0" width="100%" id="chart">
-                                <thead>
-                                        <tr>
-                                                <th>Test</th>
-                                                <th>Should Be</th>
-                                                <th>What You Have</th>
-                                        </tr>
-                                </thead>
-                                <tbody>
-                                        <tr class="<?php echo ($php_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td>PHP</td>
-                                                <td>5.3.3 or higher</td>
-                                                <td class="<?php echo ($php_ok) ? 'good' : 'disabled'; ?>"><?php echo phpversion(); ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($xml_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/xml">XML</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($xml_ok) ? '<td class="good">Enabled, and sane</span>' : '<td class="bad">Disabled, or broken'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($pcre_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/pcre">PCRE</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($pcre_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr>
-<!--                                    <tr class="<?php echo ($zlib_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/zlib">Zlib</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($zlib_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr> -->
-<!--                                    <tr class="<?php echo ($mbstring_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/mbstring">mbstring</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($mbstring_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr> -->
-<!--                                    <tr class="<?php echo ($iconv_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/iconv">iconv</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($iconv_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr> -->
-                                        <tr class="<?php echo ($dom_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/manual/en/book.dom.php">DOM / XML extension</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($dom_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($filter_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://uk.php.net/manual/en/book.filter.php">Data filtering</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($filter_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($gd_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/manual/en/book.image.php">GD</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($gd_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
-                                        </tr>                                   
-                                        <tr class="<?php echo ($tidy_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/tidy">Tidy</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($tidy_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($curl_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/curl">cURL</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo (extension_loaded('curl')) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
-                                        </tr>
-                    <tr class="<?php echo ($parse_ini_ok) ? 'enabled' : 'disabled'; ?>">
-                        <td><a href="http://uk.php.net/manual/en/function.parse-ini-file.php">Parse ini file</td>
-                        <td>Enabled</td>
-                        <?php echo ($parse_ini_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                    </tr>
-                                        <tr class="<?php echo ($parallel_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td>Parallel URL fetching</td>
-                                                <td>Enabled</td>
-                                                <?php echo ($parallel_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($allow_url_fopen_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://www.php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen">allow_url_fopen</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($allow_url_fopen_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr>
-                                        <tr class="<?php echo ($gettext_ok) ? 'enabled' : 'disabled'; ?>">
-                                                <td><a href="http://php.net/manual/en/book.gettext.php">gettext</a></td>
-                                                <td>Enabled</td>
-                                                <?php echo ($gettext_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
-                                        </tr>
-                                </tbody>
-                        </table>
-                </div>
-
-                <div class="chunk">
-                        <h3>What does this mean?</h3>
-                        <ol>
-                                <?php //if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $filter_ok && $zlib_ok && $tidy_ok && $curl_ok && $parallel_ok && $allow_url_fopen_ok): ?>
-                                <?php if ($php_ok && $xml_ok && $pcre_ok && $dom_ok && $filter_ok && $gd_ok && $tidy_ok && $curl_ok && $parallel_ok && $allow_url_fopen_ok && $gettext_ok && $parse_ini_ok): ?>
-                                <li><em>You have everything you need to run <?php echo $app_name; ?> properly!  Congratulations!</em></li>
-                                <?php else: ?>
-                                        <?php if ($php_ok): ?>
-                                                <li><strong>PHP:</strong> You are running a supported version of PHP.  <em>No problems here.</em></li>
-                                                <?php if ($xml_ok): ?>
-                                                        <li><strong>XML:</strong> You have XMLReader support or a version of XML support that isn't broken installed.  <em>No problems here.</em></li>
-                                                        <?php if ($pcre_ok): ?>
-                                                                <li><strong>PCRE:</strong> You have PCRE support installed. <em>No problems here.</em></li>
-                                                                
-                                                                <?php if ($allow_url_fopen_ok): ?>
-                                                                        <li><strong>allow_url_fopen:</strong> You have allow_url_fopen enabled. <em>No problems here.</em></li>
-                                                                        
-                                                                        <?php if ($gettext_ok): ?>
-                                                                                <li><strong>Gettext:</strong> You have <code>gettext</code> enabled. <em>No problems here.</em></li>
-                                        
-                                        <?php if ($parse_ini_ok): ?>
-                                                <li><strong>Parse ini:</strong> You can parse <em>ini</em> files. <em>No problems here.</em></li>
-
-                                                <?php if ($dom_ok): ?>
-                                                        <li><strong>DOM/XML:</strong> You can parse <em>ini</em> files. <em>No problems here.</em></li>
-                                        
-                                                    <?php if ($filter_ok): ?>
-                                                        <li><strong>Data filtering:</strong> You can use the PHP build-in DOM to operate on XML documents. <em>No problems here.</em></li>
-                
-                                                        <?php if ($zlib_ok): ?>
-                                                            <li><strong>Zlib:</strong> You have <code>Zlib</code> enabled.  This allows SimplePie to support GZIP-encoded feeds.  <em>No problems here.</em></li>
-                                                        <?php else: ?>
-                                                            <li><strong>Zlib:</strong> The <code>Zlib</code> extension is not available.  SimplePie will ignore any GZIP-encoding, and instead handle feeds as uncompressed text.</li>
-                                                        <?php endif; ?>
-                                                        
-                                                        <?php if ($mbstring_ok && $iconv_ok): ?>
-                                                            <li><strong>mbstring and iconv:</strong> You have both <code>mbstring</code> and <code>iconv</code> installed!  This will allow <?php echo $app_name; ?> to handle the greatest number of languages. <em>No problems here.</em></li>
-                                                        <?php elseif ($mbstring_ok): ?>
-                                                            <li><strong>mbstring:</strong> <code>mbstring</code> is installed, but <code>iconv</code> is not.</li>
-                                                        <?php elseif ($iconv_ok): ?>
-                                                            <li><strong>iconv:</strong> <code>iconv</code> is installed, but <code>mbstring</code> is not.</li>
-                                                        <?php else: ?>
-                                                            <li><strong>mbstring and iconv:</strong> <em>You do not have either of the extensions installed.</em> This will significantly impair your ability to read non-English feeds, as well as even some English ones.</li>
-                                                        <?php endif; ?>
-
-                                                        <?php if ($gd_ok): ?>
-                                                            <li><strong>GD:</strong> You have <code>GD</code> support installed.  <em>No problems here.</em></li>
-                                                        <?php else: ?>
-                                                            <li><strong>GD:</strong> The <code>GD</code> extension is not available.  <?php echo $app_name; ?> will not be able to download pictures locally on your server.</li>
-                                                        <?php endif; ?>
-
-                                                        <?php if ($tidy_ok): ?>
-                                                            <li><strong>Tidy:</strong> You have <code>Tidy</code> support installed.  <em>No problems here.</em></li>
-                                                        <?php else: ?>
-                                                            <li><strong>Tidy:</strong> The <code>Tidy</code> extension is not available.  <?php echo $app_name; ?> should still work with most feeds, but you may experience problems with some. You can install it with <code>sudo apt-get install php5-tidy</code> and then reload Apache <code>sudo service apache2 reload</code>.</li>
-                                                        <?php endif; ?>
-                                                    
-                                                        <?php if ($curl_ok): ?>
-                                                            <li><strong>cURL:</strong> You have <code>cURL</code> support installed.  <em>No problems here.</em></li>
-                                                        <?php else: ?>
-                                                            <li><strong>cURL:</strong> The <code>cURL</code> extension is not available.  SimplePie will use <code>fsockopen()</code> instead.</li>
-                                                        <?php endif; ?>
-                        
-                                                        <?php if ($parallel_ok): ?>
-                                                            <li><strong>Parallel URL fetching:</strong> You have <code>HttpRequestPool</code> or <code>curl_multi</code> support installed.  <em>No problems here.</em></li>
-                                                        <?php else: ?>
-                                                            <li><strong>Parallel URL fetching:</strong> <code>HttpRequestPool</code> or <code>curl_multi</code> support is not available.  <?php echo $app_name; ?> will use <code>file_get_contents()</code> instead to fetch URLs sequentially rather than in parallel.</li>
-                                                        <?php endif; ?>
-
-                                                        <?php else: ?>
-                                                            <li><strong>Data filtering:</strong> Your PHP configuration has the filter extension disabled.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                        <?php endif; ?>
-
-                                                    <?php else: ?>
-                                                        <li><strong>DOM/XML:</strong> Your PHP configuration isn't standard, you're missing PHP-DOM.  You may try to install a package or recompile PHP. <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                <?php endif; ?>
-
-                                        <?php else : ?>
-                                            <li><strong>Parse ini files function :</strong> Bad luck : your webhost has decided to block the use of the <em>parse_ini_file</em> function. <strong><?php echo $app_name; ?> will not work here.</strong>
-                                        <?php endif; ?>
-                                                                                
-                                                                        <?php else: ?>
-                                                                                <li><strong>GetText:</strong> The <code>gettext</code> extension is not available. The system we use to display wallabag in various languages is not available. <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                                        <?php endif; ?>
-                                                                                
-                                                                <?php else: ?>
-                                                                        <li><strong>allow_url_fopen:</strong> Your PHP configuration has allow_url_fopen disabled.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                                <?php endif; ?>
-                                                                        
-                                                        <?php else: ?>
-                                                                <li><strong>PCRE:</strong> Your PHP installation doesn't support Perl-Compatible Regular Expressions.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                        <?php endif; ?>
-                                                <?php else: ?>
-                                                        <li><strong>XML:</strong> Your PHP installation doesn't support XML parsing.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                                <?php endif; ?>
-                                        <?php else: ?>
-                                                <li><strong>PHP:</strong> You are running an unsupported version of PHP.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
-                                        <?php endif; ?>
-                                <?php endif; ?>
-                        </ol>
-                </div>
-
-                <div class="chunk">
-                        <?php //if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $filter_ok && $allow_url_fopen_ok) { ?>
-                        <?php if ($php_ok && $xml_ok && $pcre_ok && $filter_ok && $allow_url_fopen_ok && $gettext_ok && $parse_ini_ok) { ?>
-                                <h3>Bottom Line: Yes, you can!</h3>
-                                <p><em>Your webhost has its act together!</em></p>
-                                <?php if (!$frominstall) { ?>
-                                <p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://wallabag.org/download">wallabag.org</a>.</p>
-                                <p>If you already have done that, you should access <a href="index.php">the index.php file</a> of your installation to configure and/or start using wallabag</p>
-                                <?php } else { ?>
-                                <p>You can now <a href="../index.php">return to the installation section</a>.</p>
-                                <?php } ?>
-                                <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
-                        <?php //} else if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $allow_url_fopen_ok && $filter_ok) { ?>
-                        <?php } else if ($php_ok && $xml_ok && $pcre_ok && $allow_url_fopen_ok && $filter_ok && $gettext_ok && $parse_ini_ok) { ?>
-                                <h3>Bottom Line: Yes, you can!</h3>
-                                <p><em>For most feeds, it'll run with no problems.</em> There are certain languages that you might have a hard time with though.</p>
-                                <?php if (!$frominstall) { ?>
-                                <p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://wallabag.org/download">wallabag.org</a>.</p>
-                                <p>If you already have done that, you should access <a href="index.php">the index.php file</a> of your installation to configure and/or start using wallabag</p>
-                                <?php } else { ?>
-                                <p>You can now <a href="../index.php">return to the installation section</a>.</p>
-                                <?php } ?>
-                                <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
-                        <?php } else { ?>
-                                <h3>Bottom Line: We're sorry…</h3>
-                                <p><em>Your webhost does not support the minimum requirements for <?php echo $app_name; ?>.</em>  It may be a good idea to contact your webhost and point them to the results of this test. They may be able to enable/install the required components.</p>
-                        <?php } ?>
-                </div>
-
-                <div class="chunk">
-                        <p class="footnote">This compatibility test has been borrowed (and slightly adapted by <a href="http://fivefilters.org/content-only/">fivefilters.org</a>) from the one supplied by <a href="http://simplepie.org/">SimplePie.org</a>.</a></p>
-                </div>
-
-        </div>
-
-</div>
+/* Function taken from at http://php.net/manual/en/function.rmdir.php#110489
+ * Idea : nbari at dalmp dot com
+ * Rights unknown
+ * Here in case of .gitignore files
+ */
 
-</body>
-</html>
+function delTree($dir) {
+    $files = array_diff(scandir($dir), array('.','..'));
+    foreach ($files as $file) {
+      (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
+    }
+    return rmdir($dir);
+  }
+
+function generate_salt() {
+        mt_srand(microtime(true)*100000 + memory_get_usage(true));
+    return md5(uniqid(mt_rand(), true));
+}
+
+function executeQuery($handle, $sql, $params) {
+    try
+    {
+        $query = $handle->prepare($sql);
+        $query->execute($params);
+        return $query->fetchAll();
+    }
+    catch (Exception $e)
+    {
+        return FALSE;
+    }
+}
+
+?>
\ No newline at end of file