CFML Reference

Reverse

Description

Reverses the order of items such as the characters in a string, the digits in a number, or the elements in an array.

Return value

A copy of string, with the characters in reverse order.

Category

String functions

Syntax

Reverse(string)

See also

Left, Mid, Right

Parameters

Parameter	Description
string	A string or a variable that contains one

Usage

You can call this function on a number with code such as the following:

<cfoutput>reverse(6*2) equals #reverse(6*2)#<cfoutput>

This code outputs the following:

reverse(6*2) equals 21

Example

<h3>Reverse Example</h3>

<p>Reverse returns your string with the positions of the characters reversed.
<cfif IsDefined("FORM.myString")>
  <cfif FORM.myString is not "">
    <p>Reverse returned:
    <cfoutput>#Reverse(FORM.myString)#</cfoutput>
  <cfelse>
    <p>Please enter a string to be reversed.
  </cfif>
</cfif>

<form action = "reverse.cfm">
<p>Enter a string to be reversed:
<input type = "Text" name = "MyString">
<p><input type = "Submit" name = "">
</form>

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