In ProtectionForm:
if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) {

In ApiProtect:
if ( in_array( $expiry[$i], array( 'infinite', 'indefinite', 'infinity', 'never' ) ) ) {

There's a few places in the code we check for these variants of infinity. They should be refactored out

Version: unspecified
Severity: minor