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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Setting your colour theme through PHP

Although we usually think of PHP as a server side language concerned with databases and the driving of applications, it's also of great use in controlling the use's look and feel ... indeed, I've just written a number of examples of how PHP can be used to select a set of colours (themes) for the user. Here's the sort of code that you might find in the PHP page.

<?php if ($_REQUEST[colset] == 1) { ?>
body {color: navy; background: olive;}
.person {}
.toptit {font-size: 140%; color: purple;}
.total {color: maroon;}
<?php } else { ?>
body {color: yellow; background: black;}
.person {}
.toptit {font-size: 120%; color: aqua;}
.total {color: green;}
<?php } ?>


The use of a themed approach rather than providing controls over individual attributes means that the page provider can select appropriate combinations and allow the user to quickly and easily switch between the - the opposite alternative of providing controls on a per-attribute basis may give far greater flexibility, but it also gives rise to a system that it's longwinded for the user to change, and a system in which the user can, potentilly, hit on a totally inappropriate combination.

See - source code and code demonstration

Our new course module also includes a step by step guide to generating separate style sheets through PHP - ideal for a shared-style web site, and vital if you're concerned with flexible coding to meet the UK's DDA (Disability Discrimination Act)

Update - I've added a complete example into the new course module that combines PHP, style themes, cookies and a pulldown menu to change the themes. See here for the source code and here to run the code
(written 2006-12-17, updated 2006-12-21)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
W704 - Web and Intranet - Cascading style sheets - putting it all together
  [501] .css - using PHP to make dynamic style sheets - (2005-11-21)
  [565] Using PHP to output images, XML, Style sheets, etc - (2006-01-15)
  [994] Training on Cascading Style Sheets - (2006-12-17)
  [1677] CSS training - Cascading Style Sheets (UK course) - (2008-06-15)
  [2223] CSS Style Diagrams - working out where attributes come from - (2009-06-08)
  [4037] Cascading Style Sheets and formatting your web page - (2013-03-10)

H118 - Generating CSS through PHP

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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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