607
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 1
<?php
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 2
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
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+ − 3
/*
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First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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changeset
+ − 4
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
801
eb8b23f11744
Two big commits in one day I know, but redid password storage to use HMAC-SHA1. Consolidated much AES processing to three core methods in session that should handle everything automagically. Installation works; upgrades should. Rebranded as 1.1.6.
Dan
diff
changeset
+ − 5
* Version 1.1.6 (Caoineag beta 1)
607
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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+ − 6
* Copyright (C) 2006-2008 Dan Fuhry
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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+ − 7
*
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 8
* This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 9
* as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 10
*
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
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+ − 11
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 12
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 13
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 14
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 15
/**
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 16
* Framework for caching arbitrary data around the site.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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+ − 17
* @package Enano
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
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parents:
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changeset
+ − 18
* @subpackage Core
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 19
* @author Dan Fuhry <dan@enanocms.org>
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 20
* @license GNU General Public License
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
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+ − 21
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 22
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
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parents:
diff
changeset
+ − 23
class CacheManager
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
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+ − 24
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 25
/**
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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+ − 26
* Fetch a cached piece of data.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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changeset
+ − 27
* @param string Cache ID. The timestamp is checked automatically.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 28
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 29
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 30
public function fetch($cache_id)
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 31
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 32
if ( !preg_match('/^[a-z0-9_]+$/', $cache_id) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 33
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 34
throw new Exception('Cache ID must be letters, numbers, and underscores.');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 35
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 36
$cache_file = ENANO_ROOT . "/cache/cache_$cache_id.php";
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 37
if ( file_exists($cache_file) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 38
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 39
require($cache_file);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 40
if ( isset($_cache_data) && isset($_cache_ttl) && isset($_cache_timestamp) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 41
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 42
$cache_expire = $_cache_timestamp + ( 60 * $_cache_ttl);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 43
if ( $cache_expire >= time() || $_cache_ttl === -1 )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 44
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 45
return $_cache_data;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 46
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 47
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 48
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 49
return false;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 50
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 51
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 52
/**
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 53
* Stores an array by var_export()ing it and saving it to disk.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 54
* @param string Cache ID - human readable name for this store (letters, numbers, underscores)
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 55
* @param array Data to store
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 56
* @param int TTL for the cached array, in minutes. Defaults to 20. If set to -1, caches indefinitely.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 57
* @return bool True on success, false on failure
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 58
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 59
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 60
public function store($cache_id, $data, $ttl = 20)
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 61
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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changeset
+ − 62
if ( getConfig('cache_thumbs') != '1' )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 63
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 64
// caching disabled
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 65
return false;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 66
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 67
if ( !preg_match('/^[a-z0-9_]+$/', $cache_id) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 68
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 69
throw new Exception('Cache ID must be letters, numbers, and underscores.');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 70
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 71
if ( !is_int($ttl) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 72
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 73
throw new Exception('TTL must be an integer');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 74
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 75
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 76
$cache_file = ENANO_ROOT . "/cache/cache_$cache_id.php";
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 77
if ( file_exists($cache_file) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 78
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 79
@unlink($cache_file);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 80
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 81
$fh = @fopen($cache_file, 'w');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 82
if ( !$fh )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 83
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 84
throw new Exception('Failed to open file for writing.');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 85
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 86
$exported = Language::var_export_string($data);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 87
$now = time();
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
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+ − 88
$content = <<<EOF
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 89
<?php
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 90
/**
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 91
* Automatically generated cache file.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 92
* Do not edit this file as it will expire and be overwritten $ttl minutes from its creation.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 93
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 94
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 95
\$_cache_ttl = $ttl;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 96
\$_cache_timestamp = $now;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 97
\$_cache_data = $exported;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 98
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 99
EOF;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 100
fwrite($fh, $content);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 101
fclose($fh);
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 102
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 103
return true;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 104
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 105
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 106
/**
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 107
* Deletes a cached item.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 108
* @param string Cache ID.
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 109
* @return bool true on success or if item doesn't exist, false on failure
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 110
*/
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 111
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 112
public function purge($cache_id)
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 113
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 114
if ( !preg_match('/^[a-z0-9_]+$/', $cache_id) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 115
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 116
throw new Exception('Cache ID must be letters, numbers, and underscores.');
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 117
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 118
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 119
$cache_file = ENANO_ROOT . "/cache/cache_$cache_id.php";
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 120
if ( file_exists($cache_file) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 121
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 122
if ( unlink($cache_file) )
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 123
{
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 124
return true;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 125
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 126
return false;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 127
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 128
return true;
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 129
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 130
}
935f3799b654
First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
Dan
parents:
diff
changeset
+ − 131