<?php
-namespace Friendica\Core;
-
-use dbm;
-
/**
+ * System Configuration Class
+ *
* @file include/Core/Config.php
*
- * @brief Contains the class with methods for system configuration
+ * @brief Contains the class with methods for system configuration
*/
+namespace Friendica\Core;
+use Friendica\Database\DBM;
+use dba;
/**
* @brief Arbitrary sytem configuration storage
+ *
* Note:
- * Please do not store booleans - convert to 0/1 integer values
- * The Config::get() functions return boolean false for keys that are unset,
- * and this could lead to subtle bugs.
+ * If we ever would decide to return exactly the variable type as entered,
+ * we will have fun with the additional features. :-)
+ *
+ * The config class always returns strings but in the default features
+ * we use a "false" to determine if the config value isn't set.
*
- * There are a few places in the code (such as the admin panel) where boolean
- * configurations need to be fixed as of 10/08/2011.
*/
-class Config {
-
+class Config
+{
private static $cache;
private static $in_db;
* All configuration values of the system are stored in global cache
* which is available under the global variable $a->config
*
- * @param string $family
- * The category of the configuration value
+ * @param string $family The category of the configuration value
+ *
* @return void
*/
- public static function load($family = "config") {
-
+ public static function load($family = "config")
+ {
// We don't preload "system" anymore.
// This reduces the number of database reads a lot.
if ($family === 'system') {
$a = get_app();
- $r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s'", dbesc($family));
- if (dbm::is_result($r)) {
- foreach ($r as $rr) {
- $k = $rr['k'];
- if ($family === 'config') {
- $a->config[$k] = $rr['v'];
- } else {
- $a->config[$family][$k] = $rr['v'];
- self::$cache[$family][$k] = $rr['v'];
- self::$in_db[$family][$k] = true;
- }
+ $r = dba::select('config', array('v', 'k'), array('cat' => $family));
+ while ($rr = dba::fetch($r)) {
+ $k = $rr['k'];
+ if ($family === 'config') {
+ $a->config[$k] = $rr['v'];
+ } else {
+ $a->config[$family][$k] = $rr['v'];
+ self::$cache[$family][$k] = $rr['v'];
+ self::$in_db[$family][$k] = true;
}
}
+ dba::close($r);
}
/**
* local config cache, pull it into the cache so we don't have
* to hit the DB again for this item.
*
- * @param string $family
- * The category of the configuration value
- * @param string $key
- * The configuration key to query
- * @param mixed $default_value optional
- * The value to return if key is not set (default: null)
- * @param boolean $refresh optional
- * If true the config is loaded from the db and not from the cache (default: false)
+ * @param string $family The category of the configuration value
+ * @param string $key The configuration key to query
+ * @param mixed $default_value optional, The value to return if key is not set (default: null)
+ * @param boolean $refresh optional, If true the config is loaded from the db and not from the cache (default: false)
+ *
* @return mixed Stored value or null if it does not exist
*/
- public static function get($family, $key, $default_value = null, $refresh = false) {
-
+ public static function get($family, $key, $default_value = null, $refresh = false)
+ {
$a = get_app();
if (!$refresh) {
-
// Do we have the cached value? Then return it
if (isset(self::$cache[$family][$key])) {
if (self::$cache[$family][$key] === '!<unset>!') {
}
}
- $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
- dbesc($family),
- dbesc($key)
- );
- if (dbm::is_result($ret)) {
+ $ret = dba::select('config', array('v'), array('cat' => $family, 'k' => $key), array('limit' => 1));
+ if (DBM::is_result($ret)) {
// manage array value
- $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v']) ? unserialize($ret[0]['v']) : $ret[0]['v']);
+ $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret['v']) ? unserialize($ret['v']) : $ret['v']);
// Assign the value from the database to the cache
self::$cache[$family][$key] = $val;
self::$in_db[$family][$key] = true;
return $val;
} elseif (isset($a->config[$family][$key])) {
-
// Assign the value (mostly) from the .htconfig.php to the cache
self::$cache[$family][$key] = $a->config[$family][$key];
self::$in_db[$family][$key] = false;
*
* Note: Please do not store booleans - convert to 0/1 integer values!
*
- * @param string $family
- * The category of the configuration value
- * @param string $key
- * The configuration key to set
- * @param string $value
- * The value to store
+ * @param string $family The category of the configuration value
+ * @param string $key The configuration key to set
+ * @param string $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)
+ {
$a = get_app();
// We store our setting values in a string variable.
// manage array value
$dbvalue = (is_array($value) ? serialize($value) : $dbvalue);
- if (is_null($stored) || !self::$in_db[$family][$key]) {
- $ret = q("INSERT INTO `config` (`cat`, `k`, `v`) VALUES ('%s', '%s', '%s') ON DUPLICATE KEY UPDATE `v` = '%s'",
- dbesc($family),
- dbesc($key),
- dbesc($dbvalue),
- dbesc($dbvalue)
- );
- } else {
- $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
- dbesc($dbvalue),
- dbesc($family),
- dbesc($key)
- );
- }
+ $ret = dba::update('config', array('v' => $dbvalue), array('cat' => $family, 'k' => $key), true);
+
if ($ret) {
self::$in_db[$family][$key] = true;
return $value;
* Removes the configured value from the stored cache in $a->config
* and removes it from the database.
*
- * @param string $family
- * The category of the configuration value
- * @param string $key
- * The configuration key to delete
+ * @param string $family The category of the configuration value
+ * @param string $key The configuration key to delete
+ *
* @return mixed
*/
- public static function delete($family, $key) {
-
+ public static function delete($family, $key)
+ {
if (isset(self::$cache[$family][$key])) {
unset(self::$cache[$family][$key]);
unset(self::$in_db[$family][$key]);
}
- $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
- dbesc($family),
- dbesc($key)
- );
+
+ $ret = dba::delete('config', array('cat' => $family, 'k' => $key));
return $ret;
}