upstream / includes / libraries / cmb2 / init.php

init.php in UpStream: a Project Management Plugin for WordPress 2.1.0, at includes/libraries/cmb2/init.php

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1	<?php
2	/**
3	* The initation loader for CMB2, and the main plugin file.
4	*
5	* @category WordPress_Plugin
6	* @package CMB2
7	* @author CMB2 team
8	* @license GPL-2.0+
9	* @link https://cmb2.io
10	*
11	* Plugin Name: CMB2
12	* Plugin URI: https://github.com/CMB2/CMB2
13	* Description: CMB2 will create metaboxes and forms with custom fields that will blow your mind.
14	* Author: CMB2 team
15	* Author URI: https://cmb2.io
16	* Contributors: Justin Sternberg (@jtsternberg / dsgnwrks.pro)
17	* WebDevStudios (@webdevstudios / webdevstudios.com)
18	* Human Made (@humanmadeltd / hmn.md)
19	* Jared Atchison (@jaredatch / jaredatchison.com)
20	* Bill Erickson (@billerickson / billerickson.net)
21	* Andrew Norcross (@norcross / andrewnorcross.com)
22	*
23	* Version: 2.10.1
24	*
25	* Text Domain: cmb2
26	* Domain Path: languages
27	*
28	*
29	* Released under the GPL license
30	* http://www.opensource.org/licenses/gpl-license.php
31	*
32	* This is an add-on for WordPress
33	* https://wordpress.org/
34	*
35	* **********************************************************************
36	* This program is free software; you can redistribute it and/or modify
37	* it under the terms of the GNU General Public License as published by
38	* the Free Software Foundation; either version 2 of the License, or
39	* (at your option) any later version.
40	*
41	* This program is distributed in the hope that it will be useful,
42	* but WITHOUT ANY WARRANTY; without even the implied warranty of
43	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
44	* GNU General Public License for more details.
45	* **********************************************************************
46	*/
47
48	/**
49	* *********************************************************************
50	* You should not edit the code below
51	* (or any code in the included files)
52	* or things might explode!
53	* ***********************************************************************
54	*/
55
56	if ( ! class_exists( 'CMB2_Bootstrap_2101', false ) ) {
57
58	/**
59	* Handles checking for and loading the newest version of CMB2
60	*
61	* @since 2.0.0
62	*
63	* @category WordPress_Plugin
64	* @package CMB2
65	* @author CMB2 team
66	* @license GPL-2.0+
67	* @link https://cmb2.io
68	*/
69	class CMB2_Bootstrap_2101 {
70
71	/**
72	* Current version number
73	*
74	* @var string
75	* @since 1.0.0
76	*/
77	const VERSION = '2.10.1';
78
79	/**
80	* Current version hook priority.
81	* Will decrement with each release
82	*
83	* @var int
84	* @since 2.0.0
85	*/
86	const PRIORITY = 9957;
87
88	/**
89	* Single instance of the CMB2_Bootstrap_2101 object
90	*
91	* @var CMB2_Bootstrap_2101
92	*/
93	public static $single_instance = null;
94
95	/**
96	* Creates/returns the single instance CMB2_Bootstrap_2101 object
97	*
98	* @since 2.0.0
99	* @return CMB2_Bootstrap_2101 Single instance object
100	*/
101	public static function initiate() {
102	if ( null === self::$single_instance ) {
103	self::$single_instance = new self();
104	}
105	return self::$single_instance;
106	}
107
108	/**
109	* Starts the version checking process.
110	* Creates CMB2_LOADED definition for early detection by other scripts
111	*
112	* Hooks CMB2 inclusion to the init hook on a high priority which decrements
113	* (increasing the priority) with each version release.
114	*
115	* @since 2.0.0
116	*/
117	private function __construct() {
118	/**
119	* A constant you can use to check if CMB2 is loaded
120	* for your plugins/themes with CMB2 dependency
121	*/
122	if ( ! defined( 'CMB2_LOADED' ) ) {
123	define( 'CMB2_LOADED', self::PRIORITY );
124	}
125
126	if ( ! function_exists( 'add_action' ) ) {
127	// We are running outside of the context of WordPress.
128	return;
129	}
130
131	add_action( 'init', array( $this, 'include_cmb' ), self::PRIORITY );
132	}
133
134	/**
135	* A final check if CMB2 exists before kicking off our CMB2 loading.
136	* CMB2_VERSION and CMB2_DIR constants are set at this point.
137	*
138	* @since 2.0.0
139	*/
140	public function include_cmb() {
141	if ( class_exists( 'CMB2', false ) ) {
142	return;
143	}
144
145	if ( ! defined( 'CMB2_VERSION' ) ) {
146	define( 'CMB2_VERSION', self::VERSION );
147	}
148
149	if ( ! defined( 'CMB2_DIR' ) ) {
150	define( 'CMB2_DIR', trailingslashit( dirname( __FILE__ ) ) );
151	}
152
153	$this->l10ni18n();
154
155	// Include helper functions.
156	require_once CMB2_DIR . 'includes/CMB2_Base.php';
157	require_once CMB2_DIR . 'includes/CMB2.php';
158	require_once CMB2_DIR . 'includes/helper-functions.php';
159
160	// Now kick off the class autoloader.
161	spl_autoload_register( 'cmb2_autoload_classes' );
162
163	// Kick the whole thing off.
164	require_once( cmb2_dir( 'bootstrap.php' ) );
165	cmb2_bootstrap();
166	}
167
168	/**
169	* Registers CMB2 text domain path
170	*
171	* @since 2.0.0
172	*/
173	public function l10ni18n() {
174
175	$loaded = load_plugin_textdomain( 'cmb2', false, '/languages/' );
176
177	if ( ! $loaded ) {
178	$loaded = load_muplugin_textdomain( 'cmb2', '/languages/' );
179	}
180
181	if ( ! $loaded ) {
182	$loaded = load_theme_textdomain( 'cmb2', get_stylesheet_directory() . '/languages/' );
183	}
184
185	if ( ! $loaded ) {
186	$locale = apply_filters( 'plugin_locale', function_exists( 'determine_locale' ) ? determine_locale() : get_locale(), 'cmb2' );
187	$mofile = dirname( __FILE__ ) . '/languages/cmb2-' . $locale . '.mo';
188	load_textdomain( 'cmb2', $mofile );
189	}
190
191	}
192
193	}
194
195	// Make it so...
196	CMB2_Bootstrap_2101::initiate();
197
198	}// End if().
199