feedwordpress / performance-page.php

performance-page.php in FeedWordPress 2017.1020, at performance-page.php

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1	<?php
2	require_once(dirname(__FILE__) . '/admin-ui.php');
3
4	class FeedWordPressPerformancePage extends FeedWordPressAdminPage {
5	public function __construct() {
6	// Set meta-box context name
7	parent::__construct('feedwordpressperformancepage');
8	$this->dispatch = 'feedwordpress_performance';
9	$this->filename = __FILE__;
10	}
11
12	public function has_link () { return false; }
13
14	function display () {
15	global $wpdb, $wp_db_version, $fwp_path;
16	global $fwp_post;
17
18	if (FeedWordPress::needs_upgrade()) :
19	fwp_upgrade_page();
20	return;
21	endif;
22
23	// If this is a POST, validate source and user credentials
24	FeedWordPressCompatibility::validate_http_request(/action=/ 'feedwordpress_performance', /capability=/ 'manage_options');
25
26	if (strtoupper($_SERVER['REQUEST_METHOD'])=='POST') :
27	$this->accept_POST($fwp_post);
28	do_action('feedwordpress_admin_page_performance_save', $fwp_post, $this);
29	endif;
30
31	////////////////////////////////////////////////
32	// Prepare settings page ///////////////////////
33	////////////////////////////////////////////////
34
35	$this->display_update_notice_if_updated('Performance');
36
37	$this->open_sheet('FeedWordPress Performance');
38	?>
39	<div id="post-body">
40	<?php
41	$boxes_by_methods = array(
42	'performance_box' => __('Performance'),
43	);
44
45	foreach ($boxes_by_methods as $method => $title) :
46	add_meta_box(
47	/id=/ 'feedwordpress_'.$method,
48	/title=/ $title,
49	/callback=/ array('FeedWordPressPerformancePage', $method),
50	/page=/ $this->meta_box_context(),
51	/context=/ $this->meta_box_context()
52	);
53	endforeach;
54	do_action('feedwordpress_admin_page_performance_meta_boxes', $this);
55	?>
56	<div class="metabox-holder">
57	<?php
58	fwp_do_meta_boxes($this->meta_box_context(), $this->meta_box_context(), $this);
59	?>
60	</div> <!-- class="metabox-holder" -->
61	</div> <!-- id="post-body" -->
62
63	<?php
64	$this->close_sheet();
65	} /* FeedWordPressPerformancePage::display () */
66
67	function accept_POST ($post) {
68	if (isset($post['create_index'])) :
69	FeedWordPress::create_guid_index();
70	$this->updated = __('guid column index created on database table.');
71	endif;
72	if (isset($post['remove_index'])) :
73	FeedWordPress::remove_guid_index();
74	$this->updated = __('guid column index removed from database table.');
75	endif;
76
77	if (isset($post['clear_cache'])) :
78	$N = FeedWordPress::clear_cache();
79	$feeds = (($N == 1) ? __("feed") : __("feeds"));
80	$this->updated = sprintf(__("Cleared %d cached %s from WordPress database."), $N, $feeds);
81	endif;
82
83	} /* FeedWordPressPerformancePage::accept_POST () */
84
85	static function performance_box ($page, $box = NULL) {
86
87	// Hey ho, let's go...
88	?>
89	<table class="editform" width="100%" cellspacing="2" cellpadding="5">
90	<tr style="vertical-align: top">
91	<th width="33%" scope="row">Feed cache:</th>
92	<td width="67%"><input class="button" type="submit" name="clear_cache" value="Clear all cached feeds from WordPress database" />
93	<p>This will clear all cached copies of feed data from the WordPress database
94	and force FeedWordPress to make a fresh scan for updates on syndicated feeds.</p></td></tr>
95
96	<tr style="vertical-align: top">
97	<th width="33%" scope="row">Guid index:</th>
98	<td width="67%"><?php if (!FeedWordPress::has_guid_index()) : ?>
99	<input class="button" type="submit" name="create_index" value="Create index on guid column in posts database table" />
100	<p>Creating this index may significantly improve performance on some large
101	FeedWordPress installations.</p>
102	<?php else : ?>
103
104	<p>You have already created an index on the guid column in the WordPress posts
105	table. If you'd like to remove the index for any reason, you can do so here.</p>
106
107	<input class="button" type="submit" name="remove_index" value="Remove index on guid column in posts database table" />
108
109	<?php endif; ?>
110
111	</tr>
112
113	</td>
114	</tr>
115	</table>
116	<?php
117	} /* FeedWordPressPerformancePage::performance_box () */
118	} /* class FeedWordPressPerformancePage */
119
120	$performancePage = new FeedWordPressPerformancePage;
121	$performancePage->display();
122
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