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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
Using an MVC structure - even without a formal framework

Whether you choose to use a formal framework or not for your web application, understanding the principles of router - model - view - controller and separateting elements of your code into those areas, and considering the whole to be wrapped in a frameowrk with helper functions / methods makes sense. It means you can re-use code later on. It means that the look and feel are separated from the business logic. It means that you have a common look and behaviour across forms, and common considerations to security too.

From a recent PHP course - an example [here] and extended to show data validationand exceptions [here]. Please note that I would normally separate the sections into different files, and be using fucntions like htmlentities or htmlspecialchars to protect echoing to sticky fields; you'll see that done in many of our other examples, and it's covered on our PHP courses
(written 2016-02-07, updated 2016-02-08)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Q915 - Object Orientation and General technical topics - Principles of Model - View - Controller
  [687] Presentation, Business and Persistence layers in Perl and PHP - (2006-04-17)
  [2199] Improving the structure of your early PHP programs - (2009-05-25)
  [2612] The Model, View, Controller architecture (MVC) - what, why and how. - (2010-02-01)
  [3237] Using functions to keep look and feel apart from calculations - simple C example - (2011-04-09)
  [3454] Your PHP website - how to factor and refactor to reduce growing pains - (2011-09-24)
  [3624] Why do we need a Model, View, Controller architecture? - (2012-02-25)
  [3705] Django Training Courses - UK - (2012-04-23)
  [3919] What is a web framework? - (2012-11-10)
  [4010] Really Simple Rails - (2013-02-17)
  [4066] MVC and Frameworks - a lesson from first principles in PHP - (2013-04-19)
  [4114] Teaching CodeIgniter - MVC and PHP - (2013-06-12)
  [4320] An example of Model-View-Controller techniques in a Perl / CGI script - (2014-11-20)
  [4391] Refactoring Perl applications to give them a rosy future - (2015-01-11)
  [4527] Hello Flask world / Python web micro framework - (2015-10-11)
  [4691] Real life PHP application using our course training MVC example - (2016-06-05)

H115 - Designing PHP-Based Solutions: Best Practice
  [123] Short underground journeys and a PHP book - (2004-11-19)
  [237] Crossfertilisation, PHP to Python - (2005-03-06)
  [261] Putting a form online - (2005-03-29)
  [340] Code and code maintainance efficiency - (2005-06-08)
  [394] A year on - should we offer certified PHP courses - (2005-07-28)
  [426] Robust checking of data entered by users - (2005-08-27)
  [563] Merging pictures using PHP and GD - (2006-01-13)
  [572] Giving the researcher power over database analysis - (2006-01-22)
  [839] Reporting on the 10 largest files or 10 top scores - (2006-08-20)
  [896] PHP - good coding practise and sticky radio buttons - (2006-10-17)
  [936] Global, Superglobal, Session variables - scope and persistance in PHP - (2006-11-21)
  [945] Code quality counts - (2006-11-26)
  [1047] Maintainable code - some positive advice - (2007-01-21)
  [1052] Learning to write secure, maintainable PHP - (2007-01-25)
  [1166] Back button - ensuring order are not submitted twice (PHP) - (2007-04-28)
  [1181] Good Programming practise - where to initialise variables - (2007-05-09)
  [1182] Painting a masterpiece in PHP - (2007-05-10)
  [1194] Drawing hands on a clock face - PHP - (2007-05-19)
  [1321] Resetting session based tests in PHP - (2007-08-26)
  [1323] Easy handling of errors in PHP - (2007-08-27)
  [1381] Using a MySQL database to control mod_rewrite via PHP - (2007-10-06)
  [1389] Controlling and labelling Google maps via PHP - (2007-10-13)
  [1390] Converting from postal address to latitude / longitude - (2007-10-13)
  [1391] Ordnance Survey Grid Reference to Latitude / Longitude - (2007-10-14)
  [1482] A story about benchmarking PHP - (2007-12-23)
  [1487] Efficient PHP applications - framework and example - (2007-12-28)
  [1490] Software to record day to day events and keep an action list - (2007-12-31)
  [1533] Short and sweet and sticky - PHP form input - (2008-02-06)
  [1623] PHP Techniques - a workshop - (2008-04-26)
  [1694] Defensive coding techniques in PHP? - (2008-07-02)
  [1794] Refactoring - a PHP demo becomes a production page - (2008-09-12)
  [2221] Adding a newsfeed for your users to a multipage PHP application - (2009-06-06)
  [2430] Not just a PHP program - a good web application - (2009-09-29)
  [2679] How to build a test harness into your PHP - (2010-03-16)
  [3539] Separating program and artwork in PHP - easier maintainance, and better for the user - (2011-12-05)
  [3813] Injection Attacks - PHP, SQL, HTML, Javascript - and how to neutralise them - (2012-07-22)
  [3820] PHP sessions - a best practice teaching example - (2012-07-27)
  [3926] Filtering PHP form inputs - three ways, but which should you use? - (2012-11-18)
  [4069] Even early on, separate out your program from your HTML! - (2013-04-25)
  [4118] We not only teach PHP and Python - we teach good PHP and Python Practice! - (2013-06-18)
  [4326] Learning to program - comments, documentation and test code - (2014-11-22)


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In your room at Well House Manor, Melksham, Wiltshire
From last July (2015)
A small teaching program - demonstration of principles only
Using an MVC structure - even without a formal framework
Who was Doctor Beeching and what was his axe?
Working out the costs of running a bus service through the day
TransWilts Community Interest Company AGM - 13 Feb 2016, Swindon
People matter - but there is a tradeoff between different people in there
Rail user groups worried about what is happening on the buses
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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