✏️ Editing: widget-importer-exporter.php Writable

<?php
/**
 * Plugin Name: Widget Importer & Exporter
 * Plugin URI: https://churchthemes.com/plugins/widget-importer-exporter/
 * Description: Imports and exports widgets.
 * Version: 1.6.1
 * Author: ChurchThemes.com
 * Author URI: https://churchthemes.com
 * License: GPLv2 or later
 * Text Domain: widget-importer-exporter
 * Domain Path: /languages
 *
 * @package   Widget_Importer_Exporter
 * @copyright Copyright (c) 2013 - 2023, ChurchThemes.com, LLC
 * @link      https://churchthemes.com/plugins/widget-importer-exporter/
 * @license   https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0-or-later
 *
 * TODO: Move from procedural to OOP and require same minimum PHP as WordPress.
 */

defined('ABSPATH') || exit; // No direct access.

/**
 * Main class
 *
 * @since 0.1
 */
class Widget_Importer_Exporter
{
	/**
	 * Plugin data from get_plugins()
	 *
	 * @since 0.1
	 * @var object
	 */
	public $plugin_data;

/**
	 * Includes to load
	 *
	 * @since 0.1
	 * @var array
	 */
	public $includes;

/**
	 * Constructor
	 *
	 * Add actions for methods that define constants, load translation and load includes.
	 *
	 * @since  0.1
	 * @access public
	 */
	public function __construct()
	{
		// Set plugin data.
		add_action('plugins_loaded', array(&$this, 'setPluginData'), 1);

// Define constants.
		add_action('plugins_loaded', array(&$this, 'defineConstants'), 1);

// Load language file.
		add_action('plugins_loaded', array(&$this, 'loadTextdomain'), 1);

// Set includes.
		add_action('plugins_loaded', array(&$this, 'setIncludes'), 1);

// Load includes.
		add_action('plugins_loaded', array(&$this, 'loadIncludes'), 1);
	}

/**
	 * Set plugin data
	 *
	 * This data is used by constants.
	 *
	 * @since  0.1
	 * @access public
	 */
	public function setPluginData()
	{
		// Load plugin.php if get_plugins() not available.
		if (! function_exists('get_plugins')) {
			// @codingStandardsIgnoreLine
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

// Get path to plugin's directory.
		$plugin_dir = plugin_basename(dirname(__FILE__));

// Get plugin data.
		$plugin_data = current(get_plugins('/' . $plugin_dir));

// Set plugin data.
		$this->plugin_data = apply_filters('wie_plugin_data', $plugin_data);
	}

/**
	 * Define constants
	 *
	 * @since  0.1
	 * @access public
	 */
	public function defineConstants()
	{
		// Plugin version.
		define('WIE_VERSION', $this->plugin_data['Version']);

// Plugin's main file path.
		define('WIE_FILE', __FILE__);

// Plugin's directory.
		define('WIE_DIR', dirname(plugin_basename(WIE_FILE)));

// Plugin's directory path.
		define('WIE_PATH', untrailingslashit(plugin_dir_path(WIE_FILE)));

// Plugin's directory URL.
		define('WIE_URL', untrailingslashit(plugin_dir_url(WIE_FILE)));

// Includes directory.
		define('WIE_INC_DIR', 'includes');

// Stylesheets directory.
		define('WIE_CSS_DIR', 'css');

// JavaScript directory.
		define('WIE_JS_DIR', 'js');

// Image directory.
		define('WIE_IMG_DIR', 'img');

// Languages directory.
		define('WIE_LANG_DIR', 'languages');
	}

/**
	 * Load language file
	 *
	 * This will load the MO file for the current locale.
	 * The translation file must be named widget-importer-exporter-$locale.mo.
	 *
	 * First it will check to see if the MO file exists in wp-content/languages/plugins.
	 * If not, then the 'languages' directory inside the plugin will be used.
	 * It is ideal to keep translation files outside of the plugin to avoid loss during updates.\
	 *
	 * @since  0.1
	 * @access public
	 */
	public function loadTextdomain()
	{
		// Text-domain.
		$domain = 'widget-importer-exporter';

// WordPress core locale filter.
		$locale = apply_filters('plugin_locale', get_locale(), $domain);

// WordPress 3.6 and earlier don't auto-load from wp-content/languages, so check and load manually
		// http://core.trac.wordpress.org/changeset/22346.
		$external_mofile = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';

// External translation exists.
		if (get_bloginfo('version') <= 3.6 && file_exists($external_mofile)) {
			load_textdomain($domain, $external_mofile);
		} else {
			// Load normally. Either using WordPress 3.7+ or older version with external translation.
			$languages_dir = WIE_DIR . '/' . trailingslashit(WIE_LANG_DIR); // ensure trailing slash.
			load_plugin_textdomain($domain, false, $languages_dir);
		}
	}

/**
	 * Set includes
	 *
	 * @since  0.1
	 * @access public
	 */
	public function setIncludes()
	{
		$this->includes = apply_filters('wie_includes', array(
			// Admin only.
			'admin' => array(
				WIE_INC_DIR . '/admin.php',
				WIE_INC_DIR . '/export.php',
				WIE_INC_DIR . '/import.php',
				WIE_INC_DIR . '/mime-types.php',
				WIE_INC_DIR . '/page.php',
				WIE_INC_DIR . '/widgets.php',
			),
		));
	}

/**
	 * Load includes
	 *
	 * Include files based on whether or not condition is met.
	 *
	 * @since  0.1
	 * @access public
	 */
	public function loadIncludes()
	{
		// Get includes.
		$includes = $this->includes;

// Loop conditions.
		foreach ($includes as $condition => $files) {
			$do_includes = false;

// Check condition.
			// Change this to for statement so can use new lines without warning from wpcs - more readable.
			switch ($condition) {
				// Admin Only.
				case 'admin':
					if (is_admin()) {
						$do_includes = true;
					}
					break;

// Frontend Only.
				case 'frontend':
					if (! is_admin()) {
						$do_includes = true;
					}
					break;

// Admin or Frontend (always).
				default:
					$do_includes = true;
					break;
			}

// Loop files if condition met.
			if ($do_includes) {
				foreach ($files as $file) {
					require_once trailingslashit(WIE_PATH) . $file;
				}
			}
		}
	}
}

// Instantiate the main class.
new Widget_Importer_Exporter();

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