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s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions / trunk
s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions vtrunk
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s2member / src / includes / classes / cache.inc.php

cache.inc.php in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions trunk, at src/includes/classes/cache.inc.php

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1 <?php
2 // @codingStandardsIgnoreFile
3 /**
4 * s2Member's caching routines.
5 *
6 * Copyright: © 2009-2011
7 * {@link http://websharks-inc.com/ WebSharks, Inc.}
8 * (coded in the USA)
9 *
10 * Released under the terms of the GNU General Public License.
11 * You should have received a copy of the GNU General Public License,
12 * along with this software. In the main directory, see: /licensing/
13 * If not, see: {@link http://www.gnu.org/licenses/}.
14 *
15 * @since 3.5
16 */
17 if (!defined('WPINC')) { // MUST have WordPress.
18 exit('Do not access this file directly.');
19 }
20 if (!class_exists('c_ws_plugin__s2member_cache')) {
21 /**
22 * s2Member's caching routines.
23 *
24 * @since 3.5
25 */
26 class c_ws_plugin__s2member_cache
27 {
28 /**
29 * Page links needed for Constants.
30 *
31 * Page links are cached into the s2Member options on 15 min intervals.
32 * This allows the API Constants to provide quick access to them without being
33 * forced to execute {@link http://codex.wordpress.org/Function_Reference/get_page_link get_page_link()}
34 * all the time, which piles up DB queries.
35 *
36 * @since 3.5
37 *
38 * @return array Array of cached Page links.
39 */
40 public static function cached_page_links()
41 {
42 do_action('ws_plugin__s2member_before_cached_page_links', get_defined_vars());
43
44 $lwp = $GLOBALS['WS_PLUGIN__']['s2member']['o']['login_welcome_page'];
45 $mop = $GLOBALS['WS_PLUGIN__']['s2member']['o']['membership_options_page'];
46 $fdlep = $GLOBALS['WS_PLUGIN__']['s2member']['o']['file_download_limit_exceeded_page'];
47
48 $lwp_cache = isset($GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['login_welcome_page'])
49 ? $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['login_welcome_page'] : null;
50
51 $mop_cache = isset($GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['membership_options_page'])
52 ? $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['membership_options_page'] : null;
53
54 $fdlep_cache = isset($GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['file_download_limit_exceeded_page'])
55 ? $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['file_download_limit_exceeded_page'] : null;
56
57 $links = array('login_welcome_page' => '', 'membership_options_page' => '', 'file_download_limit_exceeded_page' => '');
58
59 if (isset($lwp_cache['page'], $lwp_cache['time'], $lwp_cache['link']) && $lwp_cache['page'] === $lwp && $lwp_cache['time'] >= strtotime('-15 minutes') && $lwp_cache['link']) {
60 $links['login_welcome_page'] = $lwp_cache['link'];
61 } else { // Otherwise, query the database using ``get_page_link()`` and update the cache.
62 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['login_welcome_page']['page'] = $lwp;
63 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['login_welcome_page']['time'] = time();
64 $links['login_welcome_page'] = $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['login_welcome_page']['link'] = ($lwp) ? get_page_link($lwp) : home_url('/');
65 $cache_needs_updating = true; // Flag for cache update.
66 }
67 if (isset($mop_cache['page'], $mop_cache['time'], $mop_cache['link']) && $mop_cache['page'] === $mop && $mop_cache['time'] >= strtotime('-15 minutes') && $mop_cache['link']) {
68 $links['membership_options_page'] = $mop_cache['link'];
69 } else { // Otherwise, query the database using ``get_page_link()`` and update the cache.
70 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['membership_options_page']['page'] = $mop;
71 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['membership_options_page']['time'] = time();
72 $links['membership_options_page'] = $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['membership_options_page']['link'] = ($mop) ? get_page_link($mop) : home_url('/');
73 $cache_needs_updating = true; // Flag for cache update.
74 }
75 if (isset($fdlep_cache['page'], $fdlep_cache['time'], $fdlep_cache['link']) && $fdlep_cache['page'] === $fdlep && $fdlep_cache['time'] >= strtotime('-15 minutes') && $fdlep_cache['link']) {
76 $links['file_download_limit_exceeded_page'] = $fdlep_cache['link'];
77 } else { // Otherwise, query the database using ``get_page_link()`` and update the cache.
78 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['file_download_limit_exceeded_page']['page'] = $fdlep;
79 $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['file_download_limit_exceeded_page']['time'] = time();
80 $links['file_download_limit_exceeded_page'] = $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']['file_download_limit_exceeded_page']['link'] = ($fdlep) ? get_page_link($fdlep) : home_url('/');
81 $cache_needs_updating = true; // Flag for cache update.
82 }
83 if (isset($cache_needs_updating) && $cache_needs_updating) {
84 update_option('ws_plugin__s2member_cache', $GLOBALS['WS_PLUGIN__']['s2member']['c']['cache']);
85 }
86 $scheme = is_ssl() ? 'https' : 'http';
87 foreach ($links as &$link) { // Update scheme.
88 $link = preg_replace('/^https?\:\/\//i', $scheme.'://', $link);
89 }
90 return apply_filters('ws_plugin__s2member_cached_page_links', $links, get_defined_vars());
91 }
92 }
93 }
94