s2member / includes / classes / utils-logs.inc.php

utils-logs.inc.php in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions 110815, at includes/classes/utils-logs.inc.php

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1	<?php
2	/**
3	* Log utilities.
4	*
5	* Copyright: © 2009-2011
6	* {@link http://www.websharks-inc.com/ WebSharks, Inc.}
7	* ( coded in the USA )
8	*
9	* Released under the terms of the GNU General Public License.
10	* You should have received a copy of the GNU General Public License,
11	* along with this software. In the main directory, see: /licensing/
12	* If not, see: {@link http://www.gnu.org/licenses/}.
13	*
14	* @package s2Member\Utilities
15	* @since 3.5
16	*/
17	if (realpath (__FILE__) === realpath ($_SERVER["SCRIPT_FILENAME"]))
18	exit ("Do not access this file directly.");
19	/**/
20	if (!class_exists ("c_ws_plugin__s2member_utils_logs"))
21	{
22	/**
23	* Log utilities.
24	*
25	* @package s2Member\Utilities
26	* @since 3.5
27	*/
28	class c_ws_plugin__s2member_utils_logs
29	{
30	/**
31	* Archives logs to prevent HUGE files from building up over time.
32	*
33	* This routine is staggered to conserve resources.
34	* This is called by all logging routines for s2Member.
35	*
36	* @package s2Member\Utilities
37	* @since 3.5
38	*
39	* @param bool $stagger Optional. Defaults to true. If false, the routine will run, regardless.
40	* @return bool Always returns true.
41	*/
42	public static function archive_oversize_log_files ($stagger = TRUE)
43	{
44	if (!$stagger \|\| is_float ($stagger = time () / 2)) /* Stagger this routine? */
45	{
46	if (is_dir ($dir = $GLOBALS["WS_PLUGIN__"]["s2member"]["c"]["logs_dir"]) && is_writable ($dir))
47	{
48	$max = apply_filters ("ws_plugin__s2member_oversize_log_file_bytes", 2097152, get_defined_vars ());
49	/**/
50	eval ('$log_files = scandir ($dir); shuffle($log_files); $counter = 1;');
51	/**/
52	foreach ($log_files as $file) /* Go through each log file. Up to 25 files at a time. */
53	{
54	if (preg_match ("/\.log$/i", $file) && !preg_match ("/-ARCHIVED-/i", $file) && is_file ($dir_file = $dir . "/" . $file))
55	{
56	if (filesize ($dir_file) > $max && is_writable ($dir_file)) /* The file must be writable. */
57	if ($log = preg_replace ("/\.log$/i", "", $dir_file)) /* Strip .log before renaming. */
58	rename ($dir_file, $log . "-ARCHIVED-" . date ("m-d-Y") . "-" . time () . ".log");
59	}
60	/**/
61	if (($counter = $counter + 1) > 25) /* Up to 25 files at a time. */
62	break; /* Stop for now. */
63	}
64	}
65	}
66	/**/
67	return true;
68	}
69	/**
70	* Removes expired Transients inserted into the database by s2Member.
71	*
72	* This routine is staggered to conserve resources.
73	* Only 5 Transients are deleted each time.
74	*
75	* This is called by s2Member's Auto-EOT System, every 10 minutes.
76	*
77	* @package s2Member\Utilities
78	* @since 3.5
79	*
80	* @param bool $stagger Optional. Defaults to true. If false, the routine will run, regardless.
81	* @return bool Always returns true.
82	*/
83	public static function cleanup_expired_s2m_transients ($stagger = TRUE)
84	{
85	global $wpdb; /* Will need this for database cleaning. */
86	/**/
87	if (!$stagger \|\| is_float ($stagger = time () / 2)) /* Stagger this routine? */
88	{
89	if (is_array ($expired_s2m_transients = $wpdb->get_results ("SELECT * FROM `" . $wpdb->options . "` WHERE `option_name` LIKE '" . esc_sql (like_escape ("_transient_timeout_s2m_")) . "%' AND `option_value` < '" . esc_sql (time ()) . "' LIMIT 5")) && !empty ($expired_s2m_transients))
90	{
91	foreach ($expired_s2m_transients as $expired_s2m_transient) /* Delete the _timeout, and also the Transient entry name itself. */
92	if (($id = $expired_s2m_transient->option_id) && ($name = preg_replace ("/_transient_timeout_/i", "_transient_", $expired_s2m_transient->option_name, 1)))
93	$wpdb->query ("DELETE FROM `" . $wpdb->options . "` WHERE `option_id` = '" . esc_sql ($id) . "' OR `option_name` = '" . esc_sql ($name) . "'");
94	}
95	}
96	/**/
97	return true;
98	}
99	}
100	}
101	?>