Servertec
defined( )
Content
Introduction
Release Notes
Features
FAQs
Requirements
Installation
Change Log
Future Plans
Knowledge Base
Reference Manual
Conventions
Scriptlets
Data Types
Constants
Variables
Procedures
Operators
Statements
Objects
Array
Cookie
Date
Enumeration
File
FileDescriptor
Hashtable
Internet
IO
JDBC
Number
Object
Properties
Random
Request
Response
SqlTypes
Stack
StreamTokenizer
String
StringBuffer
StringTokenizer
System
Vector
Wrappers
Servlet
Server Side
Preprocessor
Executable
Samples
Sales
Legal
Feedback
Returns whether the specified variable exists.
Syntax
defined(
variable
)
variable
.defined( )
Parameters
variable
the name of the variable to check
Returns
boolean
true
if the specified variable exists
false
if the specified variable does not exist
Example
if defined( "var" ) then var = var + 1 end
top of page
Copyright
© 1997-1999 Servertec. All rights reserved.
Last Modified: Tue Jan 26 22:19:03 EST 1999