namespace Friendica\Core;
/**
* @file include/Core/Config.php
- *
+ *
* @brief Contains the class with methods for system configuration
*/
public static function load($family) {
global $a;
- $r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s'", dbesc($family));
- if(count($r)) {
- foreach($r as $rr) {
+ $r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s' ORDER BY `cat`, `k`, `id`", dbesc($family));
+ if (count($r)) {
+ foreach ($r as $rr) {
$k = $rr['k'];
if ($family === 'config') {
$a->config[$k] = $rr['v'];
* If true the config is loaded from the db and not from the cache (default: false)
* @return mixed Stored value or null if it does not exist
*/
- public static function get($family, $key, $default_value=null, $refresh = false) {
+ public static function get($family, $key, $default_value = null, $refresh = false) {
global $a;
- if(! $instore) {
+ if (!$refresh) {
// Looking if the whole family isn't set
- if(isset($a->config[$family])) {
- if($a->config[$family] === '!<unset>!') {
+ if (isset($a->config[$family])) {
+ if ($a->config[$family] === '!<unset>!') {
return $default_value;
}
}
- if(isset($a->config[$family][$key])) {
- if($a->config[$family][$key] === '!<unset>!') {
+ if (isset($a->config[$family][$key])) {
+ if ($a->config[$family][$key] === '!<unset>!') {
return $default_value;
}
return $a->config[$family][$key];
}
}
- // If APC is enabled then fetch the data from there, else try XCache
- /*if (function_exists("apc_fetch") AND function_exists("apc_exists"))
- if (apc_exists($family."|".$key)) {
- $val = apc_fetch($family."|".$key);
- $a->config[$family][$key] = $val;
-
- if ($val === '!<unset>!')
- return false;
- else
- return $val;
- }
- elseif (function_exists("xcache_fetch") AND function_exists("xcache_isset"))
- if (xcache_isset($family."|".$key)) {
- $val = xcache_fetch($family."|".$key);
- $a->config[$family][$key] = $val;
-
- if ($val === '!<unset>!')
- return false;
- else
- return $val;
- }
- */
-
- $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+ $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' ORDER BY `id` DESC LIMIT 1",
dbesc($family),
dbesc($key)
);
- if(count($ret)) {
+ if (count($ret)) {
// manage array value
$val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
$a->config[$family][$key] = $val;
- // If APC is enabled then store the data there, else try XCache
- /*if (function_exists("apc_store"))
- apc_store($family."|".$key, $val, 600);
- elseif (function_exists("xcache_set"))
- xcache_set($family."|".$key, $val, 600);*/
-
return $val;
- }
- else {
+ } else {
$a->config[$family][$key] = '!<unset>!';
-
- // If APC is enabled then store the data there, else try XCache
- /*if (function_exists("apc_store"))
- apc_store($family."|".$key, '!<unset>!', 600);
- elseif (function_exists("xcache_set"))
- xcache_set($family."|".$key, '!<unset>!', 600);*/
}
return $default_value;
}
* The value to store
* @return mixed Stored $value or false if the database update failed
*/
- public static function set($family,$key,$value) {
+ public static function set($family, $key, $value) {
global $a;
- // If $a->config[$family] has been previously set to '!<unset>!', then
- // $a->config[$family][$key] will evaluate to $a->config[$family][0], and
- // $a->config[$family][$key] = $value will be equivalent to
- // $a->config[$family][0] = $value[0] (this causes infuriating bugs),
- // so unset the family before assigning a value to a family's key
- if($a->config[$family] === '!<unset>!')
- unset($a->config[$family]);
+ $stored = self::get($family, $key);
+
+ if ($stored == $value) {
+ return true;
+ }
+
+ $a->config[$family][$key] = $value;
// manage array value
- $dbvalue = (is_array($value)?serialize($value):$value);
+ $dbvalue = (is_array($value) ? serialize($value) : $value);
$dbvalue = (is_bool($dbvalue) ? intval($dbvalue) : $dbvalue);
- if(self::get($family,$key,null,true) === false) {
- $a->config[$family][$key] = $value;
- $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
+
+ if (is_null($stored)) {
+ $ret = q("INSERT INTO `config` (`cat`, `k`, `v`) VALUES ('%s', '%s', '%s') ON DUPLICATE KEY UPDATE `v` = '%s'",
dbesc($family),
dbesc($key),
+ dbesc($dbvalue),
dbesc($dbvalue)
);
- if($ret)
- return $value;
- return $ret;
+ } else {
+ $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
+ dbesc($dbvalue),
+ dbesc($family),
+ dbesc($key)
+ );
}
-
- $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
- dbesc($dbvalue),
- dbesc($family),
- dbesc($key)
- );
-
- $a->config[$family][$key] = $value;
-
- // If APC is enabled then store the data there, else try XCache
- /*if (function_exists("apc_store"))
- apc_store($family."|".$key, $value, 600);
- elseif (function_exists("xcache_set"))
- xcache_set($family."|".$key, $value, 600);*/
-
- if($ret)
+ if ($ret) {
return $value;
+ }
return $ret;
}
* The configuration key to delete
* @return mixed
*/
- public static function delete($family,$key) {
+ public static function delete($family, $key) {
global $a;
- if(x($a->config[$family],$key))
+ if (x($a->config[$family],$key)) {
unset($a->config[$family][$key]);
+ }
$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
dbesc($family),
dbesc($key)
);
- // If APC is enabled then delete the data from there, else try XCache
- /*if (function_exists("apc_delete"))
- apc_delete($family."|".$key);
- elseif (function_exists("xcache_unset"))
- xcache_unset($family."|".$key);*/
return $ret;
}