Step by Step: RPG Report to the web - PHP Web Application Server

Step by Step:RPG Report to the web

Mike PavlakZend Technologies, Inc.

Mike.p@zend.com

Join us at ZendConthe premier PHP conference!

October 19-22, 2009 - San Jose California

Zend/PHP Conference

www.zendcon.com

Conference Highlights Conference Tracks� Learn how to best develop and deploy PHP � Server/Operations� Technical sessions for all knowledge levels � Lifecycle Best Practices� In‐depth tutorials for advanced learning � Frameworks � PHP Certification courses and testing � Real‐World PHP� Exhibit hall showcasing the latest products � PHP Development Techniques� Networking opportunities with peers and luminaries � Zend Solutions for PHP on IBM i

Target audience

• Looking to move beyond Green Screen• Have little to no experience with PHP• Want to pick up a little about HTML and CSS• Have done about a million RPG reports...

Agenda

• Review of recorded webinars• Look at database & sample report• Explore the result of the web page• Step by step:

1. Connect to DB22. Build main loop3. Add references and calculations4. Add formatting5. Bells and whistles

1. RPG program Call2. Output to PDF (free and easy!)

Review of Webinars

Webinars for IBM i

• http://www.zend.com/en/resources/webinars/i5-os

! Getting Started with PHP for i5 shops! Web Services on i5! PHP 101 for i5 shops! Confessions from RPG developer: Why use Zend Framework?! Confessions from RPG developer: Why use Zend Framework?! How RPG Programmers can Leverage Arrays! Give Your IBM iSeries an Extreme Makeover with Zend & PHP!! Using PHP and System i to Improve Vendor Productivity! Platform for i5/OS - What i5 shops need to know! 5250 Bridge and Zend Platform! Platform for i5/OS - What i5 shops need to know

| 5-Oct-09Modernizing legacy applications on i5 with PHP | 6

Look at the data base

How is this thing going to work?

• New series offered by Zend: Step by Step! Move your RPG report to the web with PHP

• This is a very simple but manual process, no magic here• Everything to run RPG and PHP is provided• You can play all you want• No copyright on any code, use as-is-as-shown• Website will contain periodic updates

! Next: Maintain your DB2 data with PHP! After that it is up to you! What do you want to see?

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Mike.p@zend.com

Sample Database is provided using PHP

• Used pure PHP and SQL to create database• Run PHP script called: builddata.php• Create collection, then tables, then load tables…• You can add records as you see fit• This may even prove useful in your shop

• Let’s look at some code

Create Collection - ZENDSMP010

Create Table

Load data in table

• Now you have the sample data base, how about the sample report?

• It is a very basic Order Summary• Written in RPG Free

U i SQL d t• Using SQL data access

RPG Code Sample

Report Output

Let’s see the new web page!

Target solution:

•What you see:•Logo•Headings•Green bar look

•(ahhhhhhhh!)•Detail records•Data &cell formatting

•Totals

•What you don’t see•PHP Code•HTML•CSS•How we get here

•Step-by-step

Here are the steps

1. Connect to DB2 (Top of the cycle)2. Build main loop (Mainline)3. Add references (Chain)4. Add formatting (Edit codes)

Database layout:

SALESORD

SALESLINE CUSTOMER

Before we begin…Do your homework!

• Research the RPG program! Many details can be overlooked! What is it doing well, not so well

• Talk to primary user! Are there additional needs! Are there additional needs! Would a web version truly help them! Will they still require hard-copy

• Prepare for the onslaught! Once one user gets web based solutions, they all want them!

Step 1: Connect to DB2

• Use DB2_Connect function! Why not i5_connect? Could have done

• A few words about authority! If your data sets are *PUBLIC *Read, no auth necessary! Can do authentication a couple of ways! Can do authentication a couple of ways! Or hard code userid and password

• Let’s look at the code…• The code for each step will be provided on the

website in a week or so.

Connect to DB2 code

Connect to DB2 Display

Step 2: Build Main Loop

Step 2 Output

Step 3: Add references to other tables

Step 3 Output

Step 4a Code & Output

Standard HTML Heading

Step 4b code & output

Format web page in script:Effective, but is it

smart?

Step 4c Part 1

PHP Toolkit Example

Access IBM i via PHP toolkit for Data Area

Step 4c part 2

Total time!

Finished product

Completed scriptTake it home and embellishWorks on complex RPG too!

Bells and whistles…

Bells and whistles

• Consider an i5 program call• Order detail and PDF formatting

i5 Program Call

• Three main ways to modernize! Rewrite! Restructure! Reface

• Put business logic where it makes sense for youPut business logic where it makes sense for you• Leverage the decades of RPG routines that work

Program call prepare…

Program call, Execute

Order Detail Print…

• Read order detail file• Instantiate a PDF object• Update the object with the contents of the order• Write the PDF• Dispose of the object• Admire our work!

Zend_PDF

• Component of Zend Framework• Comes with Zend Core for i5• FREE!!!• ZF is built by the community, for the community• Documentation at: http://framework.zend.com/manual/en/zend.pdf.html

•Tutorial•Documentation•Examples at framework.zend.com

Read through detail

Build PDF & heading

Roll through the detail in the PDF

PDF File in IFS

PDF file

New book!

Kevin Schroeder from Zend’s Global Services Group

with Jeff Olen, co-author of…

Get yours at MCPressonlineor at fine bookstores

everywhere

| 5-Oct-09Name of this section | 46

Join us at ZendConthe premier PHP conference!

October 19-22, 2009 - San Jose California

Zend/PHP Conference

www.zendcon.com

Conference Highlights Conference Tracks� Learn how to best develop and deploy PHP � Server/Operations� Technical sessions for all knowledge levels � Lifecycle Best Practices� In‐depth tutorials for advanced learning � Frameworks � PHP Certification courses and testing � Real‐World PHP� Exhibit hall showcasing the latest products � PHP Development Techniques� Networking opportunities with peers and luminaries � Zend Solutions for PHP on IBM i

Q&A Thank you!

Contact info:Contact info:Mike Pavlak

Mike.p@zend.com

Step by Step: RPG Report to the web - PHP Web Application Server

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