public static function cleanDeprecated($server_status)
{
$deprecated = array('Com_prepare_sql' => 'Com_stmt_prepare', 'Com_execute_sql' => 'Com_stmt_execute', 'Com_dealloc_sql' => 'Com_stmt_close');
foreach ($deprecated as $old => $new) {
if (isset($server_status[$old]) && isset($server_status[$new])) {
unset($server_status[$old]);
}
}
return $server_status;
}