unique

Remove duplicate values from a String, Number, or Array.

Syntax

• Mixed unique( Mixed subject )

Parameters

• Mixed subject - The entity to remove duplicate values from.
  • String - The String will be purged of duplicate characters.
  • Number - The Number will be treated as a String.
  • Array - The Array will be purged of duplicate items. Keys are preserved where possible.

Result

• Mixed - The modified subject.
  • String - If subject is a String or Number.
  • Array - If subject is an Array.