Reverse a String, Number, or Array.

Syntax

• Mixed reverse( Mixed subject [, Boolean preserve ] )

Parameters

• Mixed subject - The entity to reverse.
  • String - The String will be reversed.
  • Number - The Number will be treated as a String.
  • Array - The sequence of items in the Array will be reversed.
• Boolean preserve - The optional preserve parameter only has any effect if subject is an Array.
  • false (default) - The keys in the Array returned will be re-assigned from 0.
  • true - The original keys will be retained.

Result

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