Files
friendica/include/config.php
2013-01-18 23:38:49 -07:00

249 lines
6.0 KiB
PHP

<?php
/**
*
* Arbitrary configuration storage
* Note:
* Please do not store booleans - convert to 0/1 integer values
* The get_?config() functions return boolean false for keys that are unset,
* and this could lead to subtle bugs.
*
* 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.
*/
// retrieve a "family" of config variables from database to cached storage
if(! function_exists('load_config')) {
function load_config($family) {
global $a;
$r = q("SELECT * FROM `config` WHERE `cat` = '%s'", dbesc($family));
if(count($r)) {
foreach($r as $rr) {
$k = $rr['k'];
if ($family === 'config') {
$a->config[$k] = $rr['v'];
} else {
$a->config[$family][$k] = $rr['v'];
}
}
} else if ($family != 'config') {
// Negative caching
$a->config[$family] = "!<unset>!";
}
}}
// get a particular config variable given the family name
// and key. Returns false if not set.
// $instore is only used by the set_config function
// to determine if the key already exists in the DB
// If a key is found in the DB but doesn't exist in
// local config cache, pull it into the cache so we don't have
// to hit the DB again for this item.
if(! function_exists('get_config')) {
function get_config($family, $key, $instore = false) {
global $a;
if(! $instore) {
// Looking if the whole family isn't set
if(isset($a->config[$family])) {
if($a->config[$family] === '!<unset>!') {
return false;
}
}
if(isset($a->config