add-expires-headers / add-expires-headers.php

add-expires-headers.php in AEH Speed Optimization: Browser Cache, Optimized Minify, Lazy Loading & Image Optimization trunk, at add-expires-headers.php

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1	<?php
2
3	/*
4	Plugin Name: AEH Speed Optimization: Browser Cache, Optimized Minify, Lazy Loading & Image Optimization
5	Plugin URI: http://www.addexpiresheaders.com/
6	Description: AEH Speed Optimization boosts site speed with caching, minification, lazy loading, and image optimization to improve performance and SEO.
7	Author: Passionate Brains
8	Version: 3.3.0
9	Author URI: http://www.addexpiresheaders.com/
10	License: GPLv2 or later
11	*/
12	/* initiating freemius */
13	if (!defined('ABSPATH')) {
14	exit;
15	}
16	if (function_exists('dd_aeh')) {
17	dd_aeh()->set_basename(false, __FILE__);
18	} else {
19	if (!function_exists('dd_aeh')) {
20	// Create a helper function for easy SDK access.
21	function dd_aeh()
22	{
23	global $dd_aeh;
24	if (!isset($dd_aeh)) {
25	// Include Freemius SDK.
26	require_once dirname(__FILE__) . '/vendor/freemius/start.php';
27	$dd_aeh = fs_dynamic_init(array(
28	'id' => '5598',
29	'slug' => 'add-expires-headers',
30	'premium_slug' => 'AddExpiresHeaders-premium',
31	'type' => 'plugin',
32	'public_key' => 'pk_ba20d9daf118a0e03f28dbbc805e3',
33	'is_premium' => false,
34	'premium_suffix' => 'Pro',
35	'has_addons' => false,
36	'has_paid_plans' => true,
37	'trial' => array(
38	'days' => 3,
39	'is_require_payment' => false,
40	),
41	'has_affiliation' => 'all',
42	'menu' => array(
43	'slug' => 'aeh_pro_plugin_options',
44	'first-path' => 'admin.php?page=aeh_pro_plugin_options',
45	'support' => false,
46	),
47	'is_live' => true,
48	));
49	}
50	return $dd_aeh;
51	}
52
53	// Init Freemius.
54	dd_aeh();
55	// Signal that SDK was initiated.
56	do_action('dd_aeh_loaded');
57	}
58	/* Defining some of constant which will be helpful throughout */
59	if (!defined('AEH_BASENAME')) {
60	define('AEH_BASENAME', plugin_basename(__FILE__));
61	}
62	if (!defined('AEH_DIR')) {
63	define('AEH_DIR', plugin_dir_path(__FILE__));
64	}
65	if (!defined('AEH_URL')) {
66	define('AEH_URL', plugin_dir_url(__FILE__));
67	}
68	if (!defined('AEH_SITE_URL')) {
69	define('AEH_SITE_URL', site_url());
70	}
71	if (!defined('AEH_SITE_DOMAIN')) {
72	define('AEH_SITE_DOMAIN', trim(str_ireplace(array('http://', 'https://'), '', trim(AEH_SITE_URL, '/'))));
73	}
74	if (!defined('AEH_PREFIX')) {
75	define('AEH_PREFIX', 'AEH_');
76	}
77	if (!defined('AEH_VERSION')) {
78	define('AEH_VERSION', '3.3.0');
79	}
80	/* Definining main class */
81	if (!class_exists('AEH_Pro')) {
82	class AEH_Pro
83	{
84	private static $instance = null;
85
86	public $main = null;
87
88	public $admin = null;
89
90	public $minify = null;
91
92	public $lazy_loading = null;
93
94	public $image_optimize = null;
95
96	public $external_cache = null;
97
98	public static function get_instance()
99	{
100	if (!self::$instance) {
101	self::$instance = new self();
102	}
103	return self::$instance;
104	}
105
106	private function __construct()
107	{
108	if ($this->aeh_compat_checker()) {
109	$this->includes();
110	$this->init();
111	}
112	}
113
114	/loads other support classes/
115	private function includes()
116	{
117	require_once AEH_DIR . 'main/class-aeh-minify.php';
118	require_once AEH_DIR . 'main/class-aeh-settings.php';
119	require_once AEH_DIR . 'main/class-aeh-main.php';
120	require_once AEH_DIR . 'main/class-aeh-admin.php';
121	require_once AEH_DIR . 'main/class-aeh-lazy-loading.php';
122	}
123
124	/* init support classes*/
125	private function init()
126	{
127	$this->main = new AEH_Main();
128	$this->admin = new AEH_Admin();
129	$this->minify = new AEH_Minify();
130	$this->lazy_loading = new AEH_Lazy_Loading();
131	}
132
133	/* returning main class object */
134	public function main()
135	{
136	return $this->main;
137	}
138
139	/* returning admin class object */
140	public function admin()
141	{
142	return $this->admin;
143	}
144
145	public function minify()
146	{
147	return $this->minify;
148	}
149
150	public function external_cache()
151	{
152	return $this->external_cache;
153	}
154
155	public static function dd_aeh_uninstall_cleanup()
156	{
157	AEH_Pro::get_instance()->main()->remove_settings();
158	AEH_Pro::get_instance()->minify()->aeh_purge_all_uninstall();
159	}
160
161	/* checking compatibility for plugin to get activated and working */
162	public function aeh_compat_checker()
163	{
164	global $wp_version;
165	$error = '';
166	if (version_compare(PHP_VERSION, '5.4', '<')) {
167	$error = 'AEH Speed Optimization requires PHP 5.4 or higher. You’re still on ' . PHP_VERSION;
168	}
169	if (version_compare($GLOBALS['wp_version'], '4.5', '<')) {
170	$error = 'AEH Speed Optimization requires WP 4.5 or higher. You’re still on ' . $GLOBALS['wp_version'];
171	}
172	if (is_plugin_active(plugin_basename(__FILE__)) && !empty($error) \|\| !empty($error)) {
173	if (isset($_GET['activate'])) {
174	unset($_GET['activate']);
175	}
176	add_action('admin_notices', function () use ($error) {
177	echo '<div class="notice notice-error is-dismissible"><p><b>' . $error . '</b></p></div>';
178	});
179	return false;
180	} else {
181	return true;
182	}
183	}
184	}
185	}
186	add_action('plugins_loaded', array('AEH_Pro', 'get_instance'));
187	dd_aeh()->add_action('after_uninstall', array('AEH_Pro', 'dd_aeh_uninstall_cleanup'));
188	register_uninstall_hook(__FILE__, array('AEH_Pro', 'dd_aeh_uninstall_cleanup'));
189	}
190