I've done something similar to IJas. Adjacent to admin and catalog, I've created a new folder called "cli".
This folder contains a php file for a specific function to be performed by cli (executing scripts via crontab on a set schedule, or manually in the command line), as well as a "bootstrap" of sorts for these types of scripts. The bootstrap is essentially a copy of the "index" found in catalog or admin, and includes some checks and removes the permission checking and some other unnecessary items. It calls whatever controller/action is set forth in the calling specific function script (in the example below, it calls the index method of the class defined in /admin/controller/common/cli_some_function.php).
Function-Specific Script:
<?php
$cli_action = 'common/cli_some_function';
require_once('cli_dispatch.php');
?>
CLI "Bootstrap"/Dispatcher:
<?php
// CLI must be called by cli php
if (php_sapi_name() != 'cli') {
syslog(LOG_ERR, "cli $cli_action call attempted by non-cli.");
http_response_code(400);
exit;
}
// Ensure $cli_action is set
if (!isset($cli_action)) {
echo 'ERROR: $cli_action must be set in calling script.';
syslog(LOG_ERR, '$cli_action must be set in calling script');
http_response_code(400);
exit;
}
// Handle errors by writing to log
function cli_error_handler($log_level, $log_text, $error_file, $error_line) {
syslog(LOG_ERR, 'CLI Error: ' . $log_text . ' in ' . $error_file . ': ' . $error_line);
echo 'CLI Error: ' . $log_text . ' in ' . $error_file . ': ' . $error_line;
}
set_error_handler('cli_error_handler');
// Configuration not present in CLI (vs web)
chdir(__DIR__.'/../admin');
set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__)) . '../admin/');
$_SERVER['HTTP_HOST'] = '';
// Version
define('VERSION', '1.5.1');
// Configuration (note we're using the admin config)
require_once('../admin/config.php');
// Configuration check
if (!defined('DIR_APPLICATION')) {
echo "ERROR: cli $cli_action call missing configuration.";
$log->write("ERROR: cli $cli_action call missing configuration.");
http_response_code(400);
exit;
}
// Startup
require_once(DIR_SYSTEM . 'startup.php');
// Application Classes
require_once(DIR_SYSTEM . 'library/currency.php');
require_once(DIR_SYSTEM . 'library/user.php');
require_once(DIR_SYSTEM . 'library/weight.php');
require_once(DIR_SYSTEM . 'library/length.php');
// Registry
$registry = new Registry();
// Loader
$loader = new Loader($registry);
$registry->set('load', $loader);
// Config
$config = new Config();
$registry->set('config', $config);
// Database
$db = new DB(DB_DRIVER, DB_HOSTNAME, DB_USERNAME, DB_PASSWORD, DB_DATABASE);
$registry->set('db', $db);
// Settings
$query = $db->query("SELECT * FROM " . DB_PREFIX . "setting WHERE store_id = '0'");
foreach ($query->rows as $setting) {
if (!$setting['serialized']) {
$config->set($setting['key'], $setting['value']);
} else {
$config->set($setting['key'], unserialize($setting['value']));
}
}
// Url
$url = new Url(HTTP_SERVER, HTTPS_SERVER);
$registry->set('url', $url);
// Log
$log = new Log($config->get('config_error_filename'));
$registry->set('log', $log);
function error_handler($errno, $errstr, $errfile, $errline) {
global $log, $config;
switch ($errno) {
case E_NOTICE:
case E_USER_NOTICE:
$error = 'Notice';
break;
case E_WARNING:
case E_USER_WARNING:
$error = 'Warning';
break;
case E_ERROR:
case E_USER_ERROR:
$error = 'Fatal Error';
break;
default:
$error = 'Unknown';
break;
}
if ($config->get('config_error_display')) {
echo "\n".'PHP ' . $error . ': ' . $errstr . ' in ' . $errfile . ' on line ' . $errline."\n";
}
if ($config->get('config_error_log')) {
$log->write('PHP ' . $error . ': ' . $errstr . ' in ' . $errfile . ' on line ' . $errline);
}
return true;
}
set_error_handler('error_handler');
$request = new Request();
$registry->set('request', $request);
$response = new Response();
$response->addHeader('Content-Type: text/html; charset=utf-8');
$registry->set('response', $response);
$cache = new Cache();
$registry->set('cache', $cache);
$session = new Session();
$registry->set('session', $session);
$languages = array();
$query = $db->query("SELECT * FROM " . DB_PREFIX . "language");
foreach ($query->rows as $result) {
$languages[$result['code']] = $result;
}
$config->set('config_language_id', $languages[$config->get('config_admin_language')]['language_id']);
$language = new Language($languages[$config->get('config_admin_language')]['directory']);
$language->load($languages[$config->get('config_admin_language')]['filename']);
$registry->set('language', $language);
$document = new Document();
$registry->set('document', $document);
$registry->set('currency', new Currency($registry));
$registry->set('weight', new Weight($registry));
$registry->set('length', new Length($registry));
$registry->set('user', new User($registry));
$controller = new Front($registry);
$action = new Action($cli_action);
$controller->dispatch($action, new Action('error/not_found'));
// Output
$response->output();
?>
Using this scheme, I can ensure the script won't be called from the web, and I can have it fired off automatically from the server itself using a cron job (eg: 0 1 0 0 0 /path/to/php /path/to/opencart/cli/cli_some_function.php)
Note that the error_handler function is using some config options that aren't out-of-the-box. You can either set those up or put your own check there.
EDIT made some changes for the error handling
https://stackoverflow.com/questions/22180441
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