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The Coronavirus situation has lead us to suspend public training - which was on the cards anyway, with no plans to resume

Please ask about private 'maintenance' training for Python, Tcl, Perl, PHP, Lua, etc
Happily continuing private consultancy / programming work
 
There is a function in PHP to do that

Once you understand the philosophy behind a programming language, you can make superb use of it. Initial learning will show you a few things and get you comfortable, but once you've also learnt a few of the things behind the language you can become a real wizard. Your educated guesses will usually be correct, and you'll be able to move on to write productive original code as you understand the nature of the beast you're using.

PHP is a language that was designed to allow embedded functionality to be provided in the form of extra tags to be interpreted server side from within an extended HTML (this is why I sometimes call it an HTML++ language). There's a huge range of these extra tags, to the extent that I have a regular saying when I'm running a PHP course that goes along the lines "there's a function to do that" ... and some of those functions are truly remarkable.

Would you like to highlight your PHP syntax to help in debugging perhaps? There's a function to do that

highlight_file("../../trainee/h106/a3.php4"); is the only active line in a demo file I've just uploaded. The results presented show one of our training scripts in a much more readable form that the usual monochrome, and without the need to buy any extra editor addins / development tools either.
(written 2005-02-21, updated 2008-05-16)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
H105 - PHP - Functions
  [3026] Coding efficiency - do not repeat yourself! - (2010-11-02)
  [2929] Passing a variable number of parameters in to a function / method - (2010-08-20)
  [2737] Improving your function calls (APIs) - General and PHP - (2010-04-24)
  [2682] Adding extensions to PHP Open Source applications - callbacks - (2010-03-17)
  [2630] Static variables and ampersands in PHP - (2010-02-10)
  [2488] A variable number of arguments in a PHP function - (2009-11-02)
  [1784] Global - Tcl, PHP, Python - (2008-09-03)
  [1380] Static variables in PHP - (2007-10-05)
  [1357] Clean my plate, but keep my wine bottle. (PHP; Static) - (2007-09-18)
  [1267] is there a lookup function in php? - (2007-07-15)
  [1202] Returning multiple values from a function (Perl, PHP, Python) - (2007-05-24)
  [1163] A better alternative to cutting and pasting code - (2007-04-26)
  [1021] PHP - static declaration - (2007-01-04)
  [936] Global, Superglobal, Session variables - scope and persistance in PHP - (2006-11-21)
  [866] A lazy programmer is a good programmer - (2006-09-15)
  [775] Do not duplicate your code - (2006-06-23)
  [421] Don't repeat code - use loops or functions - (2005-08-21)
  [409] Functions and commands with dangerous names - (2005-08-11)
  [340] Code and code maintainance efficiency - (2005-06-08)
  [339] Passing information into and out of PHP functions - (2005-06-07)
  [308] Call by name v call by value - (2005-05-11)
  [96] Variable Scope - (2004-10-22)


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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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