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Learning PHP - Part 6: Functions
Posted on November 3rd, 2009 No commentsAntabuse Online Buy Erythromycin Zyban Online Buy Soma Prednisone Online Buy Lotrisone Lipitor Online Buy Lipitor Erythromycin Online Buy CoumadinFunctions are a very important PHP feature, and are the building blocks to some very powerful programming techniques. First of all, what is a function?
In the tutorials so far, the PHP scripts have run from the top down. All instructions are performed in the order they appear in the file.
A function can be thought of as a reusable ‘black box’. You (optionally) give it some data (called arguments or parameters), it performs an operation and (optionally) gives you a result.
This is illustrated in the following diagram:
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Learning PHP - Part 5: Your first dynamic web page
Posted on November 3rd, 2009 No comments -
Learning PHP - Part 4: Controlling flow
Posted on November 2nd, 2009 No comments -
Symptoms of a Wordpress Hack
Posted on November 2nd, 2009 2 comments -
Learning PHP - Part 3: Array basics
Posted on October 26th, 2009 No comments -
Learning PHP – Part 2: Variable Basics
Posted on October 25th, 2009 No comments -
Learning PHP - Part 1: Introduction
Posted on October 24th, 2009 2 comments -
Unsetting http headers in PHP
Posted on August 6th, 2008 3 comments -
Step by step: Moving code between Subversion repositories
Posted on July 23rd, 2008 4 comments -
HTTP Authentication in PHP
Posted on June 12th, 2007 No comments
About Dan
Dan is a web developer living and working in London, UK. He started this blog when he realised he had technical geekery to share, which wasn't suitable for his Chinese themed site Fozza.com.
Dan's main areas of expertise are PHP, Zend Framework, MySQL, Javascript, HTML and CSS. Currently, he works for the BBC, developing new stuff for their website.
