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<?php
class SemanticScuttle_Service
{
/**
* SQL database object
*
* @var sql_db
*/
protected $db;
/**
* Returns the single service instance
*
* @internal
* This function can be used once PHP 5.3 is minimum, because only
* 5.3 supports late static binding. For all lower php versions,
* we still need a copy of this method in each service class.
*
* @param DB $db Database object
*
* @return SemanticScuttle_Service
*/
public static function getInstance($db)
{
static $instance;
if (!isset($instance)) {
$instance = new self($db);
}
return $instance;
}
}
?>
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