/**
* Retrieve database tables prefix
*
* @return string
*/
public static function getTablePrefix()
{
if (self::$tablePrefix === FALSE) {
$doc = new DOMDocument();
$doc->load(CONFIG_DIR . DIRECTORY_SEPARATOR . 'system.xml');
$xpath = new DOMXPath($doc);
$dbParams = $xpath->query('/config/production/resources/db/params/prefix');
foreach ($dbParams as $dbParam) {
if ($dbParam->nodeType == XML_ELEMENT_NODE) {
self::$tablePrefix = $dbParam->nodeValue;
}
}
if (self::$tablePrefix === FALSE) {
self::$tablePrefix = '';
}
}
return self::$tablePrefix;
}
