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HTML template for 4 layer model
Designing PHP-Based Solutions: Best Practice example from a Well House Consultants training course
More on Designing PHP-Based Solutions: Best Practice [link]
Source code: 4lm_template.htp Module: H115
<html>
<head> <!-- This is the template file that's used as the "look and feel" part of our 4 layer model demo (the "view" of the MVC model if you like to think of it that way!). It's plain HTML / code the browser will understand (so you can add in style sheets, Javascript, etc) with the addition of markers of the form %someword% which the PHP program elements will replace by real dynamic server side content --> <title>Example of a session based PHP application</title></head> <body bgcolor="#FFFFFF"> <h1>Data Entry - Page %current% of %phases%</h1> Current operation: <b>%doing%</b><hr /> %errmsg%<br /> %form% <hr /> %result% <hr /> <h4>A little about this page</h4> This is a sample application written in PHP for web use. A typical web application requires the user to enter data on a series of forms and presents results based on that series of forms. So a continuity is required between the pages - data needs to be carried forward and forms provided in context. But there will be a number of users on your site at the same time, and only in exceptional circumstances (for example with multiplayer games or with them bidding against each other) should the data they are entering be shared.<br /><br /> PHP's sessions provide a built in tool for handling these requirements, but even using this tool it is very easy to write a piece of logic that's hard to maintain and includes a great deal of repetition. That's where the "4 layer model" can come into play - and this page is a demonstration of the 4 layer model in use.<br /><br /> This example has been put together by <a href=http://www.wellho.net/>Well House Consultants</a> who provide <a href=http://www.wellho.net/course/phfull.html>training courses in PHP</a> to help you learn to make best and effective use of this technology. We can be reached by email <a href=mailto:info@wellho.net>info@wellho.net</a> or by phone - a UK number (44 international code) 01225 708225, or freephone on 0800 043 8225.<br /><br /> </body> </html> Learn about this subject
This module and example are covered on the following public courses:
* Deploying LAMP - Linux, Apache, MySQL, Perl/PHP * Linux Web Server * Learning to program in PHP * PHP Programming * Intermediate PHP - weekend course / hobby / club / leisure users * PHP Programming * Learning to program in PHP Also available on on site courses for larger groups Books covering this topic
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Other Examples
This example comes from our "Designing PHP-Based Solutions: Best Practice" training module. You'll find a description of the topic and some
other closely related examples on the "Designing PHP-Based Solutions: Best Practice" module index page.
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