Book Image

Railo 3 Beginner's Guide

By : Mark Drew , Gert Franz, Paul Klinkenberg, Jordan Michaels
Book Image

Railo 3 Beginner's Guide

By: Mark Drew , Gert Franz, Paul Klinkenberg, Jordan Michaels

Overview of this book

<p>Railo Server is one of the quickest ways to start developing complex web applications online. Widely considered as the fastest CFML (ColdFusion Markup Language) engine, Railo allows you to create dynamic web pages that can change depending on user input, database lookups, or even the time of day.</p> <p>Railo 3 Beginner's Guide will show you how to get up and running with Railo, as well as developing your web applications with the greatest of ease. You will learn how to install Railo and the basics of CFML to allow you to gradually build up your knowledge, and your dynamic web applications, as the book progresses.</p> <p>Using Packt’s Beginner's Guide approach, this book will guide you, with step-by-step instructions, through installing the Railo Server on various environments. You will learn how to use caches, resources, Event Gateways and special scripting functions that will allow you to create webpages with limitless functionality. You will even explore methods of extending Railo by adding your own tags to the server and building custom extensions. Railo 3 Beginner's Guide is a must for anyone getting to grips with Railo Server.</p>
Table of Contents (16 chapters)
Railo 3
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Time for action - looping an array


  1. 1. This time, let's create another template named looparray.cfm in the same directory as we created the looplist.cfm template.

  2. 2. Let's create an array by putting the following code at the top of our template:

    <cfset myArr = ["Item One", "Item Two", "Item Three"]>
    
  3. 3. Now let's loop through it using <cfloop>; we do this by adding the arguments array and index:

    <cfloop array="#myArr#" index="a">
    <cfoutput>#a#<br></cfoutput>
    </cfloop>
    
  4. 4. We passed the myArr variable into the array attribute, and to display the contents of each item, we output #a#. Now, let's do this using CFScript. Let's add the following code:

    <cfscript>
    for(a in myArr){
    WriteOutput(a & "<br>");
    }
    </cfscript>
    
  5. 5. Now when we run the template again, we should see the same output as with <cfloop>, but the for loop is much more contained.

What just happened?

When looping arrays, the <cfscript> syntax is much more refined...