/*
* Prior to PHP v5.3.6, the PDO does not pass along to MySQL the DSN charset configuration option,
* and it must be done manually.
*/
if (version_compare(PHP_VERSION, '5.3.6', '<')) {
$db->exec("SET NAMES utf8");
}
/*
* We're going to need access to the database connection throughout the site.
*/
global $db;
/*
* Include Solarium's autoloader, for queries to Solr.
*/
require 'Solarium/Autoloader.php';
Solarium_Autoloader::register();
/*
* Include the custom functions file.
*/
require CUSTOM_FUNCTIONS;
/*
* If Memcached or Redis is installed, instantiate a connection to it.
*/
if (defined('CACHE_HOST') && defined('CACHE_PORT')) {
$cache = new Cache();
}
/*
* Establish routes
*/
require 'routes.inc.php';
/*
/**
* Test whether the server environment is configured properly.
*
* Run a series of tests to determine whether the correct software is installed, permissions
* are correct, and settings are enabled.
*
* @throws Exception if the environment test fails
*/
function test_environment()
{
/*
* Make sure that the PHP Data Objects extension is enabled.
*/
if (!defined('PDO::ATTR_DRIVER_NAME')) {
$this->logger->message('PHP Data Objects (PDO) must be enabled.', 10);
$error = TRUE;
}
/*
* Make sure that PDO MySQL support exists.
*/
if (!in_array('mysql', PDO::getAvailableDrivers())) {
$this->logger->message('PHP Data Objects (PDO) must have a MySQL driver enabled.', 10);
$error = TRUE;
}
/*
* Make sure that HTML Tidy is available within PHP or, failing that, at the command line.
*/
if (class_exists('tidy', FALSE) == FALSE) {
/*
* A non-zero return status from a program called via exec() indicates an error.
*/
exec('which tidy', $result, $status);
if ($status != 0) {
$this->logger->message('HTML Tidy must be installed.', 10);
$error = TRUE;
}
}
/*
* Make sure that php-xml is installed.
*/
if (extension_loaded('xml') == FALSE) {
$this->logger->message('PHP’s XML extension must be installed and enabled.', 10);
$error = TRUE;
}
/*
* Make sure that xmllint is installed.
*/
exec('which xmllint', $result, $status);
if ($status != 0) {
$this->logger->message('xmllint must be installed.', 10);
$error = TRUE;
}
/*
* Make sure that zip is installed.
*/
exec('which zip', $result, $status);
if ($status != 0) {
$this->logger->message('zip must be installed.', 10);
$error = TRUE;
}
/*
* Make sure that the configuration file is writable.
*/
if (is_writable(INCLUDE_PATH . '/config.inc.php') !== TRUE) {
$this->logger->message('config.inc.php must be writable by the server.', 10);
$error = TRUE;
}
/*
* Make sure that sitemap.xml is writable.
*/
if (is_writable(WEB_ROOT . '/sitemap.xml') !== TRUE) {
$this->logger->message('sitemap.xml must be writable by the server', 3);
$error = TRUE;
}
/*
* Make sure that .htaccess is writable.
*/
if (is_writable(WEB_ROOT . '/.htaccess') !== TRUE) {
$this->logger->message('.htaccess must be writable by the server', 3);
$error = TRUE;
}
/*
* If the Downloads directory exists, make sure that it's writable.
*/
if (is_writable(WEB_ROOT . '/downloads') !== TRUE) {
$this->logger->message('The downloads directory (' . WEB_ROOT . '/downloads/' . ') must be writable by the server.', 10);
$error = TRUE;
}
if (defined('SOLR_URL')) {
/*
* Make sure that Solr is responsive.
*/
Solarium_Autoloader::register();
$client = new Solarium_Client($GLOBALS['solr_config']);
$ping = $client->createPing();
try {
$result = $client->ping($ping);
} catch (Solarium_Exception $e) {
$this->logger->message('Solr must be installed, configured in config.inc.php, and running.', 10);
$error = TRUE;
}
}
if (isset($error)) {
return FALSE;
}
return TRUE;
}
