public function checkDependencies()
{
$check = array();
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Plugin version', 'useyourdrive'), 'description' => USEYOURDRIVE_VERSION));
if (version_compare(PHP_VERSION, '5.3.0') < 0) {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('PHP version', 'useyourdrive'), 'description' => phpversion() . ' ' . __('You need at least PHP 5.3 if you want to use Use-your-Drive', 'useyourdrive')));
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('PHP version', 'useyourdrive'), 'description' => phpversion()));
}
/* Check if we can use CURL */
if (function_exists('curl_init')) {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('cURL PHP extension', 'useyourdrive'), 'description' => __('You have the cURL PHP extension installed and we can access Google with cURL', 'useyourdrive')));
} else {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('cURL PHP extension', 'useyourdrive'), 'description' => __("You don't have the cURL PHP extension installed (couldn't find function \"curl_init\"), please enable or install this extension", 'useyourdrive')));
}
/* Check if we can use fOpen */
if (ini_get('allow_url_fopen')) {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is allow_url_fopen enabled?', 'useyourdrive'), 'description' => __('Yes, we can access Google with fopen', 'useyourdrive')));
} else {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Is allow_url_fopen enabled?', 'useyourdrive'), 'description' => __("No, we can't access Google with fopen", 'useyourdrive')));
}
/* Check which version of the Google API Client we are using */
if (class_exists('Google_Client') && method_exists('Google_Client', 'getLibraryVersion')) {
$googleClient = new Google_Client();
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Version Google Api Client', 'useyourdrive'), 'description' => $googleClient->getLibraryVersion()));
} else {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Version Google Api Client', 'useyourdrive'), 'description' => __("Before version 1.0.0", 'useyourdrive') . '. ' . __("Another plugin is loading an old Google Client library. Use-your-Drive isn't compatible with this version.", 'useyourdrive')));
}
/* Check if temp dir is writeable */
$uploadir = wp_upload_dir();
if (!is_writable($uploadir['path'])) {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Is TMP directory writable?', 'useyourdrive'), 'description' => __('TMP directory', 'useyourdrive') . ' \'' . $uploadir['path'] . '\' ' . __('isn\'t writable. You are not able to upload files to Drive.', 'useyourdrive') . ' ' . __('Make sure TMP directory is writable', 'useyourdrive')));
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is TMP directory writable?', 'useyourdrive'), 'description' => __('TMP directory is writable', 'useyourdrive')));
}
/* Check if cache dir is writeable */
if (!file_exists(USEYOURDRIVE_CACHEDIR)) {
@mkdir(USEYOURDRIVE_CACHEDIR, 0755);
}
if (!is_writable(USEYOURDRIVE_CACHEDIR)) {
@chmod(USEYOURDRIVE_CACHEDIR, 0755);
if (!is_writable(USEYOURDRIVE_CACHEDIR)) {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Is CACHE directory writable?', 'useyourdrive'), 'description' => __('CACHE directory', 'useyourdrive') . ' \'' . USEYOURDRIVE_CACHEDIR . '\' ' . __('isn\'t writable. The gallery will load very slowly.', 'useyourdrive') . ' ' . __('Make sure CACHE directory is writable', 'useyourdrive')));
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is CACHE directory writable?', 'useyourdrive'), 'description' => __('CACHE directory is now writable', 'useyourdrive')));
}
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is CACHE directory writable?', 'useyourdrive'), 'description' => __('CACHE directory is writable', 'useyourdrive')));
}
/* Check if cache index-file is writeable */
if (!is_readable(USEYOURDRIVE_CACHEDIR . '/index')) {
@file_put_contents(USEYOURDRIVE_CACHEDIR . '/index', json_encode(array()));
if (!is_readable(USEYOURDRIVE_CACHEDIR . '/index')) {
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Is CACHE-index file writable?', 'useyourdrive'), 'description' => __('-index file', 'useyourdrive') . ' \'' . USEYOURDRIVE_CACHEDIR . 'index' . '\' ' . __('isn\'t writable. The gallery will load very slowly.', 'useyourdrive') . ' ' . __('Make sure CACHE-index file is writable', 'useyourdrive')));
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is CACHE-index file writable?', 'useyourdrive'), 'description' => __('CACHE-index file is now writable', 'useyourdrive')));
}
} else {
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Is CACHE-index file writable?', 'useyourdrive'), 'description' => __('CACHE-index file is writable', 'useyourdrive')));
}
/* Check if we can use ZIP class */
if (class_exists('ZipArchive')) {
$message = __("You can use the ZIP function", 'useyourdrive');
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Download files as ZIP', 'useyourdrive'), 'description' => $message));
} else {
$message = __("You cannot download files as ZIP", 'useyourdrive');
array_push($check, array('success' => true, 'warning' => true, 'value' => __('Download files as ZIP', 'useyourdrive'), 'description' => $message));
}
/* Check if Gravity Forms is installed and can be used */
if (class_exists("GFForms")) {
$is_correct_version = false;
if (class_exists('GFCommon')) {
$is_correct_version = version_compare(GFCommon::$version, '1.9', '>=');
}
if ($is_correct_version) {
$message = __("You can use Use-your-Drive in Gravity Forms (" . GFCommon::$version . ")", 'useyourdrive');
array_push($check, array('success' => true, 'warning' => false, 'value' => __('Gravity Forms integration', 'useyourdrive'), 'description' => $message));
} else {
$message = __("You have Gravity Forms (" . GFCommon::$version . ") installed, but versions before 1.9 are not supported. Please update Gravity Forms if you want to use this plugin in combination with Gravity Forms", 'useyourdrive');
array_push($check, array('success' => false, 'warning' => true, 'value' => __('Gravity Forms integration', 'useyourdrive'), 'description' => $message));
}
} else {
$message = __("You don't have Gravity Forms installed", 'useyourdrive');
array_push($check, array('success' => false, 'warning' => false, 'value' => __('Gravity Forms integration', 'useyourdrive'), 'description' => $message));
}
/* Create Table */
$html = '<table border="0" cellspacing="0" cellpadding="0">';
foreach ($check as $row) {
$color = $row['success'] ? 'green' : 'red';
$color = $row['warning'] ? 'orange' : $color;
$html .= '<tr style="vertical-align:top;"><td width="200" style="padding: 5px; color:' . $color . '"><strong>' . $row['value'] . '</strong></td><td style="padding: 5px;">' . $row['description'] . '</td></tr>';
}
$html .= '</table>';
return $html;
}
