// Sanity check, no full validation or normalization applied here!
Assert::parameter( !preg_match( '/^_|[ \r\n\t]|_$/', $dbkey ), '$dbkey',
"invalid DB key '$dbkey'" );
// Sanity check, no full validation or normalization applied here!
Assert::parameter( !preg_match( '/^_|[ \r\n\t]|_$/', $dbkey ), '$dbkey',
"invalid DB key '$dbkey'" );