/**
* Singleton Factory
*
* @return object
*/
public static function instance()
{
if (!isset(self::$instance)) {
self::$instance = new main_class();
}
return self::$instance;
}
<?php
/**
* Plugin Name: AJ CSV to DataTable
* Plugin URI: https://github.com/anjanasilva/AJ-CSV-to-DataTable
* Description: Import data from a spreadsheet (.csv file format) and display in a DataTable.
* Version: 1.0
* Author: Anjana Silva
* Author URI: http://www.anjanasilva.com
* Text Domain: aj-csv-to-datatable
* License: GNU
*/
// Define file path constants.
define('CSV_PATH', plugin_dir_path(__FILE__));
define('CSV_URL', plugin_dir_url(__FILE__));
define('CSV_BASE', plugin_basename(__FILE__));
// For PHP versions < 5.3.
if (!function_exists('str_getcsv')) {
require_once CSV_PATH . 'lib/str_getcsv4.php';
}
// Instantiate primary plugin class.
require_once CSV_PATH . 'lib/main_class.php';
main_class::instance();