$user->session_begin(false);

$auth->acl($user->data);

// Output transparent gif

header('Cache-Control: no-cache');

header('Content-type: image/gif');

// flush();

}

global $cron_lock;

$cron->run_task($cron_type);

}

// Unloading cache and closing db after having done the dirty work.

$cron_lock->unlock();

garbage_collection();

}

$use_shutdown_function = false;

$run_tasks = $cron->find_all_runnable_tasks();

$cron_type = request_var('cron_type', '');

$use_shutdown_function = (@function_exists('register_shutdown_function')) ? true : false;

output_image();

if ($cron->is_valid_task($cron_type) && $cron->is_task_runnable($cron_type))

{

$use_shutdown_function = false;

}

$run_tasks = array($cron_type);

}

}

register_shutdown_function('do_cron', $run_tasks);

do_cron($run_tasks);

}

}

class cron

{

var $tasks = array();

global $config, $phpbb_root_path, $phpEx;

$modules = $config['cron_modules'];

$modules = explode(',', $modules);

// explode will return array("") when exploding an empty string;

// users may also specify something like foo,,bar.

// Account for module being possibly empty

// Misspelling or specifying nonexistent modules here may make the board

// unusable due to error messages screwing up header output

include_once($phpbb_root_path . "includes/cron/$module.$phpEx");

$cron_class = "cron_tasks_$module";

$object = new $cron_class;

$params['object'] = $object;

$this->tasks[$cron_type] = $params;

}

}

}

}

return isset($this->tasks[$cron_type]);

}

global $config;

$time_now = time();

$cron_params = $this->tasks[$cron_type];

return false;

}

$callable = array($cron_params['object'], $cron_type . '_condition');

$answer = call_user_func_array($callable, $args);

$answer = call_user_func($callable);

}

return false;

}

}

return true;

}

return false;

}

$cron_params = $this->tasks[$cron_type];

return call_user_func(array($cron_params->object, $cron_type . '_shutdown_function_condition'));

return true;

}

}

global $config;

$mode = 'run_from_system';

$mode_param = 'run_from_phpbb';

}

return $mode_param;

}

$mode_param = $this->determine_cron_mode_param();

return $cron_type;

}

}

return null;

}

$mode_param = $this->determine_cron_mode_param();

$tasks = array();

$tasks[] = $cron_type;

}

}

return $tasks;

}

$cron_params = $this->tasks[$cron_type];

$code = call_user_func_array(array($cron_params['object'], $cron_type . '_code'), $args);

$code = $this->generate_generic_task_code($cron_type);

}

return $code;

}

global $phpbb_root_path, $phpEx;

return '<img src="' . append_sid($phpbb_root_path . 'cron.' . $phpEx, 'cron_type=' . $cron_type) . '" width="1" height="1" alt="cron" />';

}

call_user_func(array($this->tasks[$cron_type]['object'], 'run_' . $cron_type));

}

}

{

private $cron_id;

global $config, $db;

if (!isset($config['cron_lock']))

{

set_config('cron_lock', '0', true);

{

return false;

}

return true;

}

global $db;

$sql = 'UPDATE ' . CONFIG_TABLE . "