Craft\ImagerService::makeTask PHP Method

    public function makeTask($taskName, $paths)
    {
        // If there are any pending tasks, just append the paths to it
        $task = craft()->tasks->getNextPendingTask($taskName);
        if ($task && is_array($task->settings)) {
            $settings = $task->settings;
            if (!is_array($settings['paths'])) {
                $settings['paths'] = array($settings['paths']);
            }
            if (is_array($paths)) {
                $settings['paths'] = array_merge($settings['paths'], $paths);
            } else {
                $settings['paths'][] = $paths;
            }
            // Make sure there aren't any duplicate paths
            $settings['paths'] = array_unique($settings['paths']);
            // Set the new settings and save the task
            $task->settings = $settings;
            craft()->tasks->saveTask($task, false);
        } else {
            craft()->tasks->createTask($taskName, null, array('paths' => $paths));
        }
        $this->taskCreated = true;
    }