wp-optimize / includes / class-wp-optimize-admin.php

class-wp-optimize-admin.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.3.1, at includes/class-wp-optimize-admin.php

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1	<?php
2	if (!defined('ABSPATH')) die('No direct access allowed');
3
4	if (!class_exists('WP_Optimize_Admin')) :
5
6	class WP_Optimize_Admin {
7
8	/**
9	* Class constructor
10	*/
11	public function __construct() {
12	if (is_multisite()) {
13	add_action('network_admin_menu', array($this, 'admin_menu'));
14	} else {
15	add_action('admin_menu', array($this, 'admin_menu'));
16	}
17	}
18
19	/**
20	* Returns singleton instance object
21	*
22	* @return WP_Optimize_Admin Returns `WP_Optimize_Admin` object
23	*/
24	public static function instance() {
25	static $_instance = null;
26	if (empty($_instance)) {
27	$_instance = new self();
28	}
29	return $_instance;
30	}
31
32
33	/**
34	* Builds the Tabs that should be displayed
35	*
36	* @return array Returns all tabs specified array
37	*/
38	public function get_tabs($page) {
39	// define tabs for pages.
40	$pages_tabs = array(
41	'WP-Optimize' => array(
42	'optimize' => __('Optimizations', 'wp-optimize'),
43	'tables' => __('Tables', 'wp-optimize'),
44	'settings' => __('Settings', 'wp-optimize'),
45	),
46	'wpo_images' => array(
47	'smush' => __('Compress images', 'wp-optimize'),
48	'unused' => __('Unused images and sizes', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
49	'lazyload' => __('Lazy-load', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
50	),
51	'wpo_cache' => array(
52	'cache' => __('Page cache', 'wp-optimize'),
53	'preload' => __('Preload', 'wp-optimize'),
54	'advanced' => __('Advanced settings', 'wp-optimize'),
55	'gzip' => __('Gzip compression', 'wp-optimize'),
56	'settings' => __('Static file headers', 'wp-optimize') // Adds a settings tab
57	),
58	'wpo_minify' => array(
59	"status" => __('Minify status', 'wp-optimize'),
60	"js" => __('JavaScript', 'wp-optimize').'<span class="menu-pill disabled hidden">'.__('Disabled', 'wp-optimize').'</span>',
61	"css" => __('CSS', 'wp-optimize').'<span class="menu-pill disabled hidden">'.__('Disabled', 'wp-optimize').'</span>',
62	"font" => __('Fonts', 'wp-optimize'),
63	"settings" => __('Settings', 'wp-optimize'),
64	"preload" => __('Preload', 'wp-optimize'),
65	"advanced" => __('Advanced', 'wp-optimize')
66	),
67	'wpo_settings' => array(
68	'settings' => array(
69	'title' => __('Settings', 'wp-optimize'),
70	),
71	// 'updraftcentral' => array(
72	// 'title' => 'UpdraftCentral'
73	// ),
74	),
75	'wpo_support' => array('support' => __('Support / FAQs', 'wp-optimize')),
76	'wpo_mayalso' => array('may_also' => __('Premium / Plugin family', 'wp-optimize')),
77	);
78
79	$tabs = (array_key_exists($page, $pages_tabs)) ? $pages_tabs[$page] : array();
80
81	return apply_filters('wp_optimize_admin_page_'.$page.'_tabs', $tabs);
82	}
83
84	/**
85	* Main page structure.
86	*/
87	public function display_admin() {
88	$capability_required = WP_Optimize()->capability_required();
89	$can_run_optimizations = WP_Optimize()->can_run_optimizations();
90	$can_manage_options = WP_Optimize()->can_manage_options();
91
92	if (!current_user_can($capability_required) \|\| (!$can_run_optimizations && !$can_manage_options)) {
93	echo "Permission denied.";
94	return;
95	}
96
97	$this->register_admin_content();
98
99	echo '<div id="wp-optimize-wrap">';
100
101	WP_Optimize()->include_template('admin-page-header.php', false, array('show_notices' => !(WP_Optimize()->get_install_or_update_notice()->show_current_notice())));
102
103	do_action('wpo_admin_after_header');
104
105	echo '<div id="actions-results-area"></div>';
106
107	$pages = $this->get_submenu_items();
108
109	foreach ($pages as $page) {
110	if (isset($page['menu_slug'])) {
111	$this->display_admin_page($page['menu_slug']);
112	}
113	}
114
115	do_action('wpo_admin_before_closing_wrap');
116
117	// closes main plugin wrapper div. #wp-optimize-wrap
118	echo '</div><!-- END #wp-optimize-wrap -->';
119
120	}
121
122	/**
123	* Prepare and display admin page with $page id.
124	*
125	* @param string $page wp-optimize page id i.e. dashboard, database, images, cache, ...
126	*/
127	public function display_admin_page($page) {
128
129	$active_page = !empty($_REQUEST['page']) ? $_REQUEST['page'] : '';
130
131	echo '<div class="wpo-page' . ($active_page == $page ? ' active' : '') . '" data-whichpage="'.$page.'">';
132
133	echo '<div class="wpo-main">';
134
135	// get defined tabs for $page.
136	$tabs = $this->get_tabs($page);
137
138	// if no tabs defined for $page then use $page as $active_tab for load template, doing related actions e t.c.
139	if (empty($tabs)) {
140	$active_tab = $page;
141	} else {
142	$tab_keys = array_keys($tabs);
143	$default_tab = apply_filters('wp_optimize_admin_'.$page.'_default_tab', $tab_keys[0]);
144	$active_tab = isset($_GET['tab']) ? substr($_GET['tab'], 12) : $default_tab;
145	if (!in_array($active_tab, array_keys($tabs))) $active_tab = $default_tab;
146	}
147
148	do_action('wp_optimize_admin_page_'.$page, $active_tab);
149
150	// if tabs defined then display
151	if (!empty($tabs)) {
152	WP_Optimize()->include_template('admin-page-header-tabs.php', false, array('page' => $page, 'active_tab' => $active_tab, 'tabs' => $tabs, 'wpo_is_premium' => WP_Optimize::is_premium()));
153	}
154
155	foreach ($tabs as $tab_id => $tab_description) {
156	// output wrap div for tab with id #wp-optimize-nav-tab-contents-'.$page.'-'.$tab_id
157	echo '<div class="wp-optimize-nav-tab-contents" id="wp-optimize-nav-tab-'.$page.'-'.$tab_id.'-contents" '.(($tab_id == $active_tab) ? '' : 'style="display:none;"').'>';
158
159	echo '<div class="postbox wpo-tab-postbox">';
160	// call action for generate tab content.
161
162	do_action('wp_optimize_admin_page_'.$page.'_'.$tab_id);
163
164	// closes postbox.
165	echo '</div><!-- END .postbox -->';
166	// closes tab wrapper.
167	echo '</div><!-- END .wp-optimize-nav-tab-contents -->';
168	}
169
170	echo '</div><!-- END .wpo-main -->';
171
172	do_action('wp_optimize_admin_after_page_'.$page, $active_tab);
173
174	echo '</div><!-- END .wpo-page -->';
175
176	}
177
178	/**
179	* Define required actions for admin pages.
180	*/
181	public function register_admin_content() {
182
183	do_action('wp_optimize_register_admin_content');
184
185	/**
186	* SETTINGS
187	*/
188	add_action('wp_optimize_admin_page_wpo_settings_settings', array($this, 'output_dashboard_settings_tab'), 20);
189
190	/**
191	* UpdraftCentral
192	*/
193	// add_action('wp_optimize_admin_page_wpo_settings_updraftcentral', array($this, 'output_dashboard_updraftcentral_tab'), 20);
194
195	/**
196	* Premium / other plugins
197	*/
198	add_action('wp_optimize_admin_page_wpo_mayalso_may_also', array($this, 'output_dashboard_other_plugins_tab'), 20);
199
200	/**
201	* DATABASE
202	*/
203	add_action('wp_optimize_admin_page_WP-Optimize_optimize', array($this, 'output_database_optimize_tab'), 20);
204	add_action('wp_optimize_admin_page_WP-Optimize_tables', array($this, 'output_database_tables_tab'), 20);
205	add_action('wp_optimize_admin_page_WP-Optimize_settings', array($this, 'output_database_settings_tab'), 20);
206
207	/**
208	* CACHE
209	*/
210	add_action('wp_optimize_admin_page_wpo_cache_cache', array($this, 'output_page_cache_tab'), 20);
211	if (!WP_Optimize()->does_server_handles_cache()) {
212	add_action('wp_optimize_admin_page_wpo_cache_preload', array($this, 'output_page_cache_preload_tab'), 20);
213	add_action('wp_optimize_admin_page_wpo_cache_advanced', array($this, 'output_page_cache_advanced_tab'), 20);
214	}
215	add_action('wp_optimize_admin_page_wpo_cache_gzip', array($this, 'output_cache_gzip_tab'), 20);
216	add_action('wp_optimize_admin_page_wpo_cache_settings', array($this, 'output_cache_settings_tab'), 20);
217	add_action('wpo_page_cache_advanced_settings', array($this, 'output_cloudflare_settings'), 20);
218	/**
219	* SUPPORT
220	*/
221	add_action('wp_optimize_admin_page_wpo_support_support', array($this, 'output_dashboard_support_tab'), 20);
222	// Display Support page.
223
224	if (!WP_Optimize::is_premium()) {
225	/**
226	* Add action for display Images > Unused images and sizes tab.
227	*/
228	add_action('wp_optimize_admin_page_wpo_images_unused', array($this, 'admin_page_wpo_images_unused'));
229
230	/**
231	* Add action for display Dashboard > Lazyload tab.
232	*/
233	add_action('wp_optimize_admin_page_wpo_images_lazyload', array($this, 'admin_page_wpo_images_lazyload'));
234	} else {
235	/**
236	* Add filter for display footer review message and link.
237	*/
238	add_filter('admin_footer_text', array($this, 'display_footer_review_message'));
239	}
240	}
241
242	/**
243	* Database settings
244	*/
245	public function output_database_settings_tab() {
246
247	if (WP_Optimize()->can_manage_options()) {
248	WP_Optimize()->include_template('database/settings.php');
249	} else {
250	$this->prevent_manage_options_info();
251	}
252	}
253
254	/**
255	* Dashboard settings
256	*/
257	public function output_dashboard_settings_tab() {
258	$options = WP_Optimize()->get_options();
259
260	if ('POST' == $_SERVER['REQUEST_METHOD']) {
261	// Nonce check.
262	check_admin_referer('wpo_settings');
263
264	$output = $options->save_settings($_POST);
265
266	if (isset($_POST['wp-optimize-settings'])) {
267	// save settings request sent.
268	$output = $options->save_settings($_POST);
269	}
270
271	$this->wpo_render_output_messages($output);
272	}
273
274	if (WP_Optimize()->can_manage_options()) {
275	WP_Optimize()->include_template('settings/settings.php');
276	} else {
277	$this->prevent_manage_options_info();
278	}
279	}
280
281	/**
282	* UpdraftCentral settings tab
283	*/
284	public function output_dashboard_updraftcentral_tab() {
285	if (WP_Optimize()->can_manage_options()) {
286	global $updraftcentral_host_plugin;
287	$updraftcentral_host_plugin->debugtools_dashboard();
288	} else {
289	$this->prevent_manage_options_info();
290	}
291	}
292
293	/**
294	* Dashboard support tab
295	*/
296	public function output_dashboard_support_tab() {
297	WP_Optimize()->include_template('settings/support-and-faqs.php');
298	}
299
300	/**
301	* Dashboard Other plugins / premium tab
302	*/
303	public function output_dashboard_other_plugins_tab() {
304	WP_Optimize()->include_template('settings/may-also-like.php');
305	}
306
307	/**
308	* Cache tab
309	*/
310	public function output_page_cache_tab() {
311	$wpo_cache = WP_Optimize()->get_page_cache();
312	$wpo_cache_options = $wpo_cache->config->get();
313	$display = $wpo_cache->is_enabled() ? "display: block;" : "display: none;";
314	$error = is_wp_error(WP_Optimize()->get_init_page_cache_status()) ? WP_Optimize()->get_init_page_cache_status()->get_error_message() : '';
315
316	WP_Optimize()->include_template('cache/page-cache.php', false, array(
317	'wpo_cache' => $wpo_cache,
318	'active_cache_plugins' => WP_Optimize_Detect_Cache_Plugins::instance()->get_active_cache_plugins(),
319	'wpo_cache_options' => $wpo_cache_options,
320	'cache_size' => $wpo_cache->get_cache_size(),
321	'display' => $display,
322	'can_purge_the_cache' => WP_Optimize()->get_page_cache()->can_purge_cache(),
323	'does_server_handles_cache' => WP_Optimize()->does_server_handles_cache(),
324	'error' => $error,
325	));
326	}
327
328	/**
329	* Preload tab
330	*/
331	public function output_page_cache_preload_tab() {
332	$wpo_cache = WP_Optimize()->get_page_cache();
333	$wpo_cache_options = $wpo_cache->config->get();
334	$wpo_cache_preloader = WP_Optimize_Page_Cache_Preloader::instance();
335	$is_running = $wpo_cache_preloader->is_running();
336	$status = $wpo_cache_preloader->get_status_info();
337
338	WP_Optimize()->include_template('cache/page-cache-preload.php', false, array(
339	'wpo_cache_options' => $wpo_cache_options,
340	'is_running' => $is_running,
341	'status_message' => isset($status['message']) ? $status['message'] : '',
342	'schedule_options' => array(
343	'wpo_use_cache_lifespan' => __('Same as cache lifespan', 'wp-optimize'),
344	'wpo_daily' => __('Daily', 'wp-optimize'),
345	'wpo_weekly' => __('Weekly', 'wp-optimize'),
346	'wpo_fortnightly' => __('Fortnightly', 'wp-optimize'),
347	'wpo_monthly' => __('Monthly (approx. - every 30 days)', 'wp-optimize')
348	)
349	));
350	}
351
352	/**
353	* Advanced tab
354	*/
355	public function output_page_cache_advanced_tab() {
356	$wpo_cache = WP_Optimize()->get_page_cache();
357	$wpo_cache_options = $wpo_cache->config->get();
358
359	$cache_exception_conditional_tags = is_array($wpo_cache_options['cache_exception_conditional_tags']) ? join("\n", $wpo_cache_options['cache_exception_conditional_tags']) : '';
360	$cache_exception_urls = is_array($wpo_cache_options['cache_exception_urls']) ? join("\n", $wpo_cache_options['cache_exception_urls']) : '';
361	$cache_exception_cookies = is_array($wpo_cache_options['cache_exception_cookies']) ? join("\n", $wpo_cache_options['cache_exception_cookies']) : '';
362	$cache_exception_browser_agents = is_array($wpo_cache_options['cache_exception_browser_agents']) ? join("\n", $wpo_cache_options['cache_exception_browser_agents']) : '';
363
364	WP_Optimize()->include_template('cache/page-cache-advanced.php', false, array(
365	'wpo_cache' => $wpo_cache,
366	'wpo_cache_options' => $wpo_cache_options,
367	'cache_exception_urls' => $cache_exception_urls,
368	'cache_exception_conditional_tags' => $cache_exception_conditional_tags,
369	'cache_exception_cookies' => $cache_exception_cookies,
370	'cache_exception_browser_agents' => $cache_exception_browser_agents,
371	));
372	}
373
374	/**
375	* Gzip tab
376	*/
377	public function output_cache_gzip_tab() {
378	$wpo_gzip_compression = WP_Optimize()->get_gzip_compression();
379	$wpo_gzip_compression_enabled = $wpo_gzip_compression->is_gzip_compression_enabled(true);
380	$wpo_gzip_headers_information = $wpo_gzip_compression->get_headers_information();
381	$is_cloudflare_site = $this->is_cloudflare_site();
382	$is_gzip_compression_section_exists = $wpo_gzip_compression->is_gzip_compression_section_exists();
383	$wpo_gzip_compression_enabled_by_wpo = $is_gzip_compression_section_exists && $wpo_gzip_compression_enabled && !$is_cloudflare_site && !(is_array($wpo_gzip_headers_information) && 'brotli' == $wpo_gzip_headers_information['compression']);
384
385	WP_Optimize()->include_template('cache/gzip-compression.php', false, array(
386	'wpo_gzip_headers_information' => $wpo_gzip_headers_information,
387	'wpo_gzip_compression_enabled' => $wpo_gzip_compression_enabled,
388	'is_cloudflare_site' => $is_cloudflare_site,
389	'wpo_gzip_compression_enabled_by_wpo' => $wpo_gzip_compression_enabled_by_wpo,
390	'wpo_gzip_compression_settings_added' => $is_gzip_compression_section_exists,
391	'info_link' => 'https://getwpo.com/gzip-compression-explained/',
392	'faq_link' => 'https://getwpo.com/gzip-faq-link/',
393	'class_name' => (!is_wp_error($wpo_gzip_compression_enabled) && $wpo_gzip_compression_enabled ? 'wpo-enabled' : 'wpo-disabled')
394	));
395	}
396
397	/**
398	* Cache tab
399	*/
400	public function output_cache_settings_tab() {
401
402	$wpo_browser_cache = WP_Optimize()->get_browser_cache();
403	$wpo_browser_cache_enabled = $wpo_browser_cache->is_enabled();
404
405	WP_Optimize()->include_template('cache/browser-cache.php', false, array(
406	'wpo_browser_cache_enabled' => $wpo_browser_cache_enabled,
407	'is_cloudflare_site' => $this->is_cloudflare_site(),
408	'wpo_browser_cache_settings_added' => $wpo_browser_cache->is_browser_cache_section_exists(),
409	'class_name' => (true === $wpo_browser_cache_enabled ? 'wpo-enabled' : 'wpo-disabled'),
410	'wpo_browser_cache_expire_days' => WP_Optimize()->get_options()->get_option('browser_cache_expire_days', '28'),
411	'wpo_browser_cache_expire_hours' => WP_Optimize()->get_options()->get_option('browser_cache_expire_hours', '0'),
412	'info_link' => 'https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching',
413	'faq_link' => 'https://www.digitalocean.com/community/tutorials/how-to-implement-browser-caching-with-nginx-s-header-module-on-ubuntu-16-04',
414	));
415	}
416
417	/**
418	* Check if is the current site handled with Cloudflare.
419	*
420	* @return bool
421	*/
422	public function is_cloudflare_site() {
423	return isset($_SERVER['HTTP_CF_RAY']);
424	}
425
426	/**
427	* Include Cloudflare settings template.
428	*/
429	public function output_cloudflare_settings() {
430	if (WP_Optimize::is_premium() \|\| !apply_filters('show_cloudflare_settings', $this->is_cloudflare_site())) return;
431
432	WP_Optimize()->include_template('cache/page-cache-cloudflare-placeholder.php');
433	}
434
435	/**
436	* Outputs the DB optimize Tab
437	*/
438	public function output_database_optimize_tab() {
439	$optimizer = WP_Optimize()->get_optimizer();
440	$options = WP_Optimize()->get_options();
441
442	// check if nonce passed.
443	$nonce_passed = (!empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wpo_optimization')) ? true : false;
444
445	// save options.
446	if ($nonce_passed && isset($_POST['wp-optimize'])) $options->save_sent_manual_run_optimization_options($_POST, true);
447
448	$optimize_db = ($nonce_passed && isset($_POST["optimize-db"])) ? true : false;
449
450	$optimization_results = (($nonce_passed) ? $optimizer->do_optimizations($_POST) : false);
451
452	// display optimizations table or restricted access message.
453	if (WP_Optimize()->can_run_optimizations()) {
454	WP_Optimize()->include_template('database/optimize-table.php', false, array('optimize_db' => $optimize_db, 'optimization_results' => $optimization_results, 'load_data' => false, 'does_server_allows_table_optimization' => WP_Optimize()->does_server_allows_table_optimization()));
455	} else {
456	$this->prevent_run_optimizations_message();
457	}
458	}
459
460	/**
461	* Outputs the DB Tables Tab
462	*/
463	public function output_database_tables_tab() {
464	// check if nonce passed.
465	$nonce_passed = (!empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wpo_optimization')) ? true : false;
466
467	$optimize_db = ($nonce_passed && isset($_POST["optimize-db"])) ? true : false;
468
469	if (!WP_Optimize()->does_server_allows_table_optimization()) {
470	$message = __('Your server takes care of table optimization', 'wp-optimize');
471	$this->prevent_run_optimizations_message($message);
472	} elseif (WP_Optimize()->can_run_optimizations()) {
473	WP_Optimize()->include_template('database/tables.php', false, array('optimize_db' => $optimize_db, 'load_data' => WP_Optimize()->template_should_include_data()));
474	} else {
475	$this->prevent_run_optimizations_message();
476	}
477	}
478
479	/**
480	* Runs upon the WP action admin_page_wpo_images_unused
481	*/
482	public function admin_page_wpo_images_unused() {
483	WP_Optimize()->include_template('images/unused.php');
484	}
485
486	/**
487	* Runs upon the WP action wp_optimize_admin_page_wpo_images_lazyload
488	*/
489	public function admin_page_wpo_images_lazyload() {
490	WP_Optimize()->include_template('images/lazyload.php');
491	}
492
493	/**
494	* Show footer review message and link.
495	*
496	* @return string
497	*/
498	public function display_footer_review_message() {
499	$message = sprintf(
500	__('Enjoyed %s? Please leave us a %s rating on %s or %s.', 'wp-optimize').' '.__('We really appreciate your support!', 'wp-optimize'),
501	'<b>WP-Optimize</b>',
502	'<span style="color:#2271b1">&starf;&starf;&starf;&starf;&starf;</span>',
503	'<a href="https://uk.trustpilot.com/review/getwpo.com" target="_blank">Trustpilot</a>',
504	'<a href="https://www.g2.com/products/wp-optimize/reviews" target="_blank">G2.com</a>'
505	);
506	return $message;
507	}
508
509	/**
510	* Adds menu in admin bar
511	*/
512	public function wpo_admin_bar() {
513	$wp_admin_bar = $GLOBALS['wp_admin_bar'];
514
515	if (defined('WPOPTIMIZE_ADMINBAR_DISABLE') && WPOPTIMIZE_ADMINBAR_DISABLE) return;
516
517	// Show menu item in top bar only for super admins.
518	if (is_multisite() & !is_super_admin(get_current_user_id())) return;
519
520	// Add a link called at the top admin bar.
521	$args = array(
522	'id' => 'wp-optimize-node',
523	'title' => apply_filters('wpoptimize_admin_node_title', 'WP-Optimize')
524	);
525	$wp_admin_bar->add_node($args);
526
527	$pages = $this->get_submenu_items();
528
529	foreach ($pages as $page_id => $page) {
530
531	if (!isset($page['create_submenu']) \|\| !$page['create_submenu']) {
532	if (isset($page['icon']) && 'separator' == $page['icon']) {
533	$args = array(
534	'id' => 'wpo-separator-'.$page_id,
535	'parent' => 'wp-optimize-node',
536	'meta' => array(
537	'class' => 'separator',
538	),
539	);
540	$wp_admin_bar->add_node($args);
541	}
542	continue;
543	}
544
545	// 'menu_slug' => 'WP-Optimize',
546
547	$menu_page_url = menu_page_url($page['menu_slug'], false);
548
549	if (is_multisite()) {
550	$menu_page_url = network_admin_url('admin.php?page='.$page['menu_slug']);
551	}
552
553	$args = array(
554	'id' => 'wpoptimize_admin_node_'.$page_id,
555	'title' => $page['menu_title'],
556	'parent' => 'wp-optimize-node',
557	'href' => $menu_page_url,
558	);
559	$wp_admin_bar->add_node($args);
560	}
561
562	}
563
564	/**
565	* Manages the admin bar menu for caching (currently page and minify)
566	*/
567	public function cache_admin_bar($wp_admin_bar) {
568
569	$options = WP_Optimize()->get_options();
570	if (!$options->get_option('enable_cache_in_admin_bar', true)) return;
571
572	/**
573	* The "purge cache" menu items
574	*
575	* @param array $menu_items - The menu items, in the format required by $wp_admin_bar->add_menu()
576	* @param object $wp_admin_bar
577	*/
578	$menu_items = apply_filters('wpo_cache_admin_bar_menu_items', array(), $wp_admin_bar);
579
580	if (empty($menu_items) \|\| !is_array($menu_items)) return;
581
582	$wp_admin_bar->add_menu(array(
583	'id' => 'wpo_purge_cache',
584	'title' => __('Purge cache', 'wp-optimize'),
585	'href' => '#',
586	'meta' => array(
587	'title' => __('Purge cache', 'wp-optimize'),
588	),
589	'parent' => false,
590	));
591
592	foreach ($menu_items as $item) {
593	$wp_admin_bar->add_menu($item);
594	}
595	}
596
597	/**
598	* Adds and displays menu and submenu pages
599	*/
600	public function admin_menu() {
601
602	$capability_required = WP_Optimize()->capability_required();
603	$can_run_optimizations = WP_Optimize()->can_run_optimizations();
604	$can_manage_options = WP_Optimize()->can_manage_options();
605
606	if (!current_user_can($capability_required) \|\| (!$can_run_optimizations && !$can_manage_options)) return;
607
608	$icon_svg = 'data:image/svg+xml;base64,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';
609
610	// Removes the admin menu items on the left WP bar.
611	if (!is_multisite() \|\| (is_multisite() && is_network_admin())) {
612	add_menu_page("WP-Optimize", "WP-Optimize", $capability_required, "WP-Optimize", array($this, "display_admin"), $icon_svg);
613
614	$sub_menu_items = $this->get_submenu_items();
615
616	foreach ($sub_menu_items as $menu_item) {
617	if ($menu_item['create_submenu']) add_submenu_page('WP-Optimize', $menu_item['page_title'], $menu_item['menu_title'], $capability_required, $menu_item['menu_slug'], $menu_item['function']);
618	}
619	}
620
621	$options = WP_Optimize()->get_options();
622
623	if ('true' == $options->get_option('enable-admin-menu', 'false')) {
624	add_action('wp_before_admin_bar_render', array($this, 'wpo_admin_bar'));
625	}
626	}
627
628	/**
629	* Get the submenu items
630	*
631	* @return array
632	*/
633	public function get_submenu_items() {
634	$sub_menu_items = array(
635	array(
636	'page_title' => __('Database', 'wp-optimize'),
637	'menu_title' => __('Database', 'wp-optimize'),
638	'menu_slug' => 'WP-Optimize',
639	'function' => array($this, 'display_admin'),
640	'icon' => 'cloud',
641	'create_submenu' => true,
642	'order' => 20,
643	),
644	array(
645	'page_title' => __('Images', 'wp-optimize'),
646	'menu_title' => __('Images', 'wp-optimize'),
647	'menu_slug' => 'wpo_images',
648	'function' => array($this, 'display_admin'),
649	'icon' => 'images-alt2',
650	'create_submenu' => true,
651	'order' => 30,
652	),
653	array(
654	'page_title' => __('Cache', 'wp-optimize'),
655	'menu_title' => __('Cache', 'wp-optimize'),
656	'menu_slug' => 'wpo_cache',
657	'function' => array($this, 'display_admin'),
658	'icon' => 'archive',
659	'create_submenu' => true,
660	'order' => 40,
661	),
662	array(
663	'page_title' => __('Minify', 'wp-optimize'),
664	'menu_title' => __('Minify', 'wp-optimize'),
665	'menu_slug' => 'wpo_minify',
666	'function' => array($this, 'display_admin'),
667	'icon' => 'dashboard',
668	'create_submenu' => true,
669	'order' => 50,
670	),
671	array(
672	'create_submenu' => false,
673	'order' => 55,
674	'icon' => 'separator',
675	),
676	array(
677	'page_title' => __('Settings', 'wp-optimize'),
678	'menu_title' => __('Settings', 'wp-optimize'),
679	'menu_slug' => 'wpo_settings',
680	'function' => array($this, 'display_admin'),
681	'icon' => 'admin-settings',
682	'create_submenu' => true,
683	'order' => 60,
684	),
685	array(
686	'page_title' => __('Support & FAQs', 'wp-optimize'),
687	'menu_title' => __('Help', 'wp-optimize'),
688	'menu_slug' => 'wpo_support',
689	'function' => array($this, 'display_admin'),
690	'icon' => 'sos',
691	'create_submenu' => true,
692	'order' => 60,
693	),
694	array(
695	'page_title' => __('Premium Upgrade', 'wp-optimize'),
696	'menu_title' => __('Premium Upgrade', 'wp-optimize'),
697	'menu_slug' => 'wpo_mayalso',
698	'function' => array($this, 'display_admin'),
699	'icon' => 'admin-plugins',
700	'create_submenu' => true,
701	'order' => 70,
702	),
703	);
704
705	$sub_menu_items = apply_filters('wp_optimize_sub_menu_items', $sub_menu_items);
706
707	usort($sub_menu_items, array($this, 'order_sort'));
708
709	return $sub_menu_items;
710	}
711
712	/**
713	* Order sorting function
714	*/
715	public function order_sort($a, $b) {
716	if ($a['order'] == $b['order']) return 0;
717	return ($a['order'] > $b['order']) ? 1 : -1;
718	}
719
720	/**
721	* Output information message for users who have no permissions to run optimizations.
722	*
723	* @param string $message Message to display
724	*/
725	public function prevent_run_optimizations_message($message = '') {
726	if (empty($message)) {
727	$message = __('You have no permissions to run optimizations.', 'wp-optimize');
728	}
729	WP_Optimize()->include_template('info-message.php', false, array('message' => $message));
730	}
731
732	/**
733	* Output information message for users who have no permissions to manage settings.
734	*/
735	public function prevent_manage_options_info() {
736	WP_Optimize()->include_template('info-message.php', false, array('message' => __('You have no permissions to manage WP-Optimize settings.', 'wp-optimize')));
737	}
738
739	/**
740	* Output success/error messages from $output array.
741	*
742	* @param array $output ['messages' => success messages, 'errors' => error messages]
743	*/
744	private function wpo_render_output_messages($output) {
745	foreach ($output['messages'] as $item) {
746	echo '<div class="updated fade below-h2"><strong>'.$item.'</strong></div>';
747	}
748
749	foreach ($output['errors'] as $item) {
750	echo '<div class="error fade below-h2"><strong>'.$item.'</strong></div>';
751	}
752	}
753	}
754	endif;
755