341 lines
8.9 KiB
PHP
341 lines
8.9 KiB
PHP
<?php
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/**
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*
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* Arbitrary configuration storage
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* Note:
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* Please do not store booleans - convert to 0/1 integer values
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* The get_?config() functions return boolean false for keys that are unset,
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* and this could lead to subtle bugs.
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*
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* There are a few places in the code (such as the admin panel) where boolean
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* configurations need to be fixed as of 10/08/2011.
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*/
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// retrieve a "family" of config variables from database to cached storage
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if(! function_exists('load_config')) {
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function load_config($family) {
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global $a;
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$r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s'", dbesc($family));
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if(count($r)) {
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foreach($r as $rr) {
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$k = $rr['k'];
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if ($family === 'config') {
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$a->config[$k] = $rr['v'];
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} else {
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$a->config[$family][$k] = $rr['v'];
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}
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}
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} else if ($family != 'config') {
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// Negative caching
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$a->config[$family] = "!<unset>!";
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}
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}}
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// get a particular config variable given the family name
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// and key. Returns false if not set.
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// $instore is only used by the set_config function
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// to determine if the key already exists in the DB
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// If a key is found in the DB but doesn't exist in
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// local config cache, pull it into the cache so we don't have
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// to hit the DB again for this item.
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if(! function_exists('get_config')) {
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function get_config($family, $key, $instore = false) {
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global $a;
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if(! $instore) {
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// Looking if the whole family isn't set
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if(isset($a->config[$family])) {
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if($a->config[$family] === '!<unset>!') {
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return false;
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}
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}
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if(isset($a->config[$family][$key])) {
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if($a->config[$family][$key] === '!<unset>!') {
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return false;
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}
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return $a->config[$family][$key];
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}
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}
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// If APC is enabled then fetch the data from there, else try XCache
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/*if (function_exists("apc_fetch") AND function_exists("apc_exists"))
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if (apc_exists($family."|".$key)) {
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$val = apc_fetch($family."|".$key);
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$a->config[$family][$key] = $val;
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if ($val === '!<unset>!')
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return false;
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else
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return $val;
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}
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elseif (function_exists("xcache_fetch") AND function_exists("xcache_isset"))
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if (xcache_isset($family."|".$key)) {
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$val = xcache_fetch($family."|".$key);
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$a->config[$family][$key] = $val;
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if ($val === '!<unset>!')
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return false;
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else
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return $val;
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}
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*/
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$ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
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dbesc($family),
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dbesc($key)
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);
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if(count($ret)) {
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// manage array value
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$val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
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$a->config[$family][$key] = $val;
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($family."|".$key, $val, 600);
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elseif (function_exists("xcache_set"))
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xcache_set($family."|".$key, $val, 600);*/
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return $val;
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}
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else {
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$a->config[$family][$key] = '!<unset>!';
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($family."|".$key, '!<unset>!', 600);
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elseif (function_exists("xcache_set"))
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xcache_set($family."|".$key, '!<unset>!', 600);*/
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}
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return false;
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}}
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// Store a config value ($value) in the category ($family)
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// under the key ($key)
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// Return the value, or false if the database update failed
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if(! function_exists('set_config')) {
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function set_config($family,$key,$value) {
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global $a;
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// If $a->config[$family] has been previously set to '!<unset>!', then
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// $a->config[$family][$key] will evaluate to $a->config[$family][0], and
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// $a->config[$family][$key] = $value will be equivalent to
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// $a->config[$family][0] = $value[0] (this causes infuriating bugs),
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// so unset the family before assigning a value to a family's key
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if($a->config[$family] === '!<unset>!')
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unset($a->config[$family]);
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// manage array value
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$dbvalue = (is_array($value)?serialize($value):$value);
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$dbvalue = (is_bool($dbvalue) ? intval($dbvalue) : $dbvalue);
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if(get_config($family,$key,true) === false) {
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$a->config[$family][$key] = $value;
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$ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
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dbesc($family),
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dbesc($key),
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dbesc($dbvalue)
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);
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if($ret)
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return $value;
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return $ret;
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}
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$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
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dbesc($dbvalue),
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dbesc($family),
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dbesc($key)
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);
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$a->config[$family][$key] = $value;
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($family."|".$key, $value, 600);
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elseif (function_exists("xcache_set"))
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xcache_set($family."|".$key, $value, 600);*/
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if($ret)
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return $value;
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return $ret;
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}}
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if(! function_exists('load_pconfig')) {
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function load_pconfig($uid,$family) {
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global $a;
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$r = q("SELECT `v`,`k` FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
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dbesc($family),
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intval($uid)
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);
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if(count($r)) {
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foreach($r as $rr) {
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$k = $rr['k'];
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$a->config[$uid][$family][$k] = $rr['v'];
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}
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} else if ($family != 'config') {
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// Negative caching
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$a->config[$uid][$family] = "!<unset>!";
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}
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}}
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if(! function_exists('get_pconfig')) {
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function get_pconfig($uid,$family, $key, $instore = false) {
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global $a;
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if(! $instore) {
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// Looking if the whole family isn't set
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if(isset($a->config[$uid][$family])) {
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if($a->config[$uid][$family] === '!<unset>!') {
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return false;
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}
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}
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if(isset($a->config[$uid][$family][$key])) {
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if($a->config[$uid][$family][$key] === '!<unset>!') {
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return false;
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}
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return $a->config[$uid][$family][$key];
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}
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}
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// If APC is enabled then fetch the data from there, else try XCache
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/*if (function_exists("apc_fetch") AND function_exists("apc_exists"))
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if (apc_exists($uid."|".$family."|".$key)) {
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$val = apc_fetch($uid."|".$family."|".$key);
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$a->config[$uid][$family][$key] = $val;
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if ($val === '!<unset>!')
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return false;
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else
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return $val;
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}
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elseif (function_exists("xcache_get") AND function_exists("xcache_isset"))
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if (xcache_isset($uid."|".$family."|".$key)) {
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$val = xcache_get($uid."|".$family."|".$key);
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$a->config[$uid][$family][$key] = $val;
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if ($val === '!<unset>!')
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return false;
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else
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return $val;
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}*/
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$ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
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intval($uid),
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dbesc($family),
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dbesc($key)
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);
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if(count($ret)) {
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$val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
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$a->config[$uid][$family][$key] = $val;
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($uid."|".$family."|".$key, $val, 600);
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elseif (function_exists("xcache_set"))
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xcache_set($uid."|".$family."|".$key, $val, 600);*/
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return $val;
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}
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else {
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$a->config[$uid][$family][$key] = '!<unset>!';
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($uid."|".$family."|".$key, '!<unset>!', 600);
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elseif (function_exists("xcache_set"))
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xcache_set($uid."|".$family."|".$key, '!<unset>!', 600);*/
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}
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return false;
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}}
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if(! function_exists('del_config')) {
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function del_config($family,$key) {
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global $a;
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if(x($a->config[$family],$key))
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unset($a->config[$family][$key]);
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$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
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dbesc($family),
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dbesc($key)
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);
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// If APC is enabled then delete the data from there, else try XCache
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/*if (function_exists("apc_delete"))
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apc_delete($family."|".$key);
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elseif (function_exists("xcache_unset"))
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xcache_unset($family."|".$key);*/
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return $ret;
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}}
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// Same as above functions except these are for personal config storage and take an
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// additional $uid argument.
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if(! function_exists('set_pconfig')) {
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function set_pconfig($uid,$family,$key,$value) {
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global $a;
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// manage array value
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$dbvalue = (is_array($value)?serialize($value):$value);
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if(get_pconfig($uid,$family,$key,true) === false) {
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$a->config[$uid][$family][$key] = $value;
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$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
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intval($uid),
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dbesc($family),
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dbesc($key),
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dbesc($dbvalue)
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);
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if($ret)
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return $value;
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return $ret;
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}
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$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s'",
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dbesc($dbvalue),
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intval($uid),
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dbesc($family),
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dbesc($key)
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);
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$a->config[$uid][$family][$key] = $value;
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// If APC is enabled then store the data there, else try XCache
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/*if (function_exists("apc_store"))
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apc_store($uid."|".$family."|".$key, $value, 600);
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elseif (function_exists("xcache_set"))
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xcache_set($uid."|".$family."|".$key, $value, 600);*/
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if($ret)
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return $value;
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return $ret;
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}}
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if(! function_exists('del_pconfig')) {
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function del_pconfig($uid,$family,$key) {
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global $a;
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if(x($a->config[$uid][$family],$key))
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unset($a->config[$uid][$family][$key]);
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$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s'",
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intval($uid),
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dbesc($family),
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dbesc($key)
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);
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return $ret;
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}}
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