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LinuxWorld.Com: Intro to programming in LXP

Dec 12, 2001, 12:14 (0 Talkback[s])
(Other stories by Joshua Drake)

[ Thanks to Joshua Drake for this link. ]

"My first article on LXP was essentially an introduction, and a basic HOWTO on LXP as a whole. This article will detail the basics of creating an actual application with LXP. However, before we get into that, I would like to introduce you to a particular feature of LXP -- reserved objects.

LXP, like PHP, implicitly creates a global variable in memory for each CGI argument passed to it. Legal characters in a variable's name are any number, any letter, and the underscore. Additionally, LXP can set variable values associated with an LXP "object."

An object represents a collection of variable values, referenced through a common name. A variable within an object can be set and referenced either by a period, or by square brackets following the object name (e.g., myobject.value, or myobject[0] ). LXP's argument parser identifies periods and brackets if they are passed to LXP through an HTML GET or POST method. Once the arguments are passed the corresponding objects will be built, with the exception of reserved objects."

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