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.
Current cost in your local currency
If you're selling internationally on line, it's a nice gesture to your customers to tell them roughly what things cost in their local currency, before you charge their credit card in pounds, dollars, euros, or whatever currency you use yourself. Tables of current exchange rates are easy enough to find, but they change all the time and your site can rapidly become misleading.
The European Central Bank
provides a daily set of conversion rates to and from the Euro on their web site, and those are mid-rates so that you can easily convert from (say) pounds to Euros, then on to Rand, fairly accurately. The data is available as an XML feed, and can be very easily picked up in a PHP web page:
$stuff = file("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
We have a sample PHP script in operation
on our web site
PHP's ability to read data from a URL
as easily as it can read data from a file has a very wide range of other uses too, but you need to take care of issues such as copyright, robot exclusion and the traffic you'll generate before you write such pages. In the case of the ECB page, the page is stated to be publicly available information, and live scripts that are heavily used should be written to cache a copy of the data locally from your script as it only changes once every 24 hours. (written 2004-09-16, updated 2006-06-05)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articlesH110 - PHP - HTML Web Page Data Handling 
Robust PHP user inputs - (2006-02-03) 
Hot answers in PHP - (2006-07-02) 
PHP - good coding practise and sticky radio buttons - (2006-10-17) 
.pdf files - upload via PHP, store in MySQL, retrieve - (2006-12-19) 
Sorting people by name in PHP - (2007-01-26) 
Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06) 
Emailing as HTML (Web Page) - PHP example - (2007-04-30) 
Text formating for HTML, with PHP - (2008-10-11) 
Injection Attack if register_globals in on - PHP - (2009-02-04) 
Finding variations on a surname - (2009-02-17) 
How to tweet automatically from a blog - (2009-03-28) 
What features does this visitors browser support? (PHP) - (2009-04-22) 
Sending out an email containing HTML from within a PHP page - (2010-11-07) 
Filtering PHP form inputs - three ways, but which should you use? - (2012-11-18)
Some other Articles
PHP and natural sortingDrive the driveInternational awarenessGym and swimming - Melksham Blue PoolCurrent cost in your local currencyBusiness is the predominant user of Tomcat, Perl and TclPHP - onwards and upwardsEffective fundraisingNear and far securityCGI v mod_perl
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This is a page archived from The Horse's Mouth at
the diary and writings of Graham Ellis.
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