// If the actual number is not mentioned in the expression, then just two forms are enough:
// singular for $count == 1
- // plural for $count != 0
+ // plural for $count != 1
// For example, "This user belongs to {{PLURAL:$1|one group|several groups}}."
if ( count( $forms ) === 2 ) return $count == 1 ? $forms[0] : $forms[1];