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4071 - Setting up strings in PHP
Inside, the web is all about passing around and manipulating strings of text - so the programming langauges of the web such as PHP have to be really strong in their string handling facilities. I give you two new examples from last week's course ... easy lessons that form the bedrock on which the po ....

4070 - Passing variable between PHP pages - hidden fields, cookies and sessions
Variables within a program are lost when the program exits ... unless the program takes some sort of action to save them. And if it does, you've then got to have another program pick them up to use them somehow. Web applications in PHP are a series of short-running programs. A program is run each ....

4069 - Even early on, separate out your program from your HTML!
Even in the simplest of PHP applications, it's worthwhile to separate the validation of the incoming data from the calculations, and both of those elements from the HTML of the page itself. That means that you can use the calculation stuff - the "business logic" in other applications that use the sa ....

4068 - Arrays in PHP - contain different and even mixed data types
PHP's arrays can be keyed by both value and by string... and on this week's PHP course we've covered both. An indexed array (not really an array - rather akin to a list in Perl or Python) starts at index element number 0 and works up from there. Each array member may contain a different type of data ....

4067 - The woman, the television, the bullock and Darlington
Escaped bullock surprises woman watching television in Darlington A headline in the Northern Echo - [here]. Is the surprise that the bullock was watching television? Is the surprise that the woman was watching television? Is the surprise that the bullock found the woman? Is the surprise that th ....

4066 - MVC and Frameworks - a lesson from first principles in PHP
PHP is a nice, easy entry level embedded tagging system - an "HTML++" language in which programmers and web site developers can drop elements of code into a web page and perform simple and straigtforward tasks very quickly. But the downside of that is that the resultant file very quickly becomes a ....

4065 - Handling requests to a forum - the background process
When you host a forum such as the First Great Western Coffee Shop which receives around 2,000 new messages for public view every month (as I do), you're bound to get occasional complaints / requests that certain messages be removed / modified. With good guidelines for posters to follow, such reque ....

4064 - Apache httpd - a robust, open source web server
Most major Open Source software has a bewildering assortment of levels and switches when compared to commercial software - and that's because there's no restriction on development / people can make suggestions and add in facilities without the bottom line question "And what's THAT going to cost / wi ....

4063 - Backups by crossover between network centres - setting up automatic scp transfers
Our web servers don't need transaction logging backup systems - emails and secure pages are looked after (and spam trapped) by a separate machine from our two dedicated web servers, which handle a great deal of requests for data reads, but data writes aren't all that many. But of course the data wri ....

4062 - Sessions, forms and validation in CodeIgniter - early examples
CodeIgniter is becoming a very popular PHP Framework and increasingly I'm being asked to use/show elements of it on private PHP training courses. All web based applications need certain elements of code such as form and session handling, data validation, routing of URLs to the appropriate script a ....

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