Template:Find dupes/doc

Returns the number of duplicate values among params 1 – 20. A value of '2' means three params have identical values. A value of '0' means all parameters passed are unique.

Examples

 * (only the first 20 values are examined)
 * (only the first 20 values are examined)
 * (only the first 20 values are examined)
 * (only the first 20 values are examined)
 * (only the first 20 values are examined)
 * (only the first 20 values are examined)