Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\Model\Config;
use Friendica\Database\Database;
/**
* The DB-based model of (P-)Config values
* Encapsulates db-calls in case of config queries
*/
abstract class DbaConfig
{
/** @var Database */
protected $dba;
/**
* @param Database $dba The database connection of this model
*/
public function __construct(Database $dba)
{
$this->dba = $dba;
}
/**
* Checks if the model is currently connected
*
* @return bool
*/
public function isConnected()
{
return $this->dba->isConnected();
}
/**
* Formats a DB value to a config value
* - null = The db-value isn't set
* - bool = The db-value is either '0' or '1'
* - array = The db-value is a serialized array
* - string = The db-value is a string
*
* Keep in mind that there aren't any numeric/integer config values in the database
*
* @param null|string $value
*
* @return null|array|string
*/
protected function toConfigValue($value)
{
if (!isset($value)) {
return null;
}
switch (true) {
// manage array value
case preg_match("|^a:[0-9]+:{.*}$|s", $value):
return unserialize($value);
default:
return $value;
}
}
/**
* Formats a config value to a DB value (string)
*
* @param mixed $value
*
* @return string
*/
protected function toDbValue($value)
{
// if not set, save an empty string
if (!isset($value)) {
return '';
}
switch (true) {
// manage arrays
case is_array($value):
return serialize($value);
default:
return (string)$value;
}
}
}