DevShed: Handling Cookies and File Data with the Factory Pattern in PHP 5
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Continuing on with their look at the Factory Pattern (part one), DevShed has part two posted - a look at applying what was learned previously into a simple cookie-handling and file manipulation script.   At this stage you should have a more accurate idea of how to include the factory pattern into your own PHP applications, at least at a very basic level. But don't you worry because this scenario is going to change quickly, since in this second tutorial I'm going to teach you how to take advantage of the capacity offered by the pattern to create objects that are capable of saving data to different locations, including files and cookies.   The tutorial starts off by creating the classes needed to save strings and objects based off of the abstract DataSaverFactory class. On top of this, they build the classes to save the cookies and work with the files using the Factory objects.
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In brief Exploit circulating for unpatched vuln
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DevShed continues their looks at autoloading classes in PHP5 today with this new tutorial focusing on catching and handling any errors that might be thrown in the process.   This is the third article in the series on how to auto load classes in PHP 5. This article will demonstrate how to trigger exceptions in a way that can be caught by the corresponding "catch()" block.  [...] Nonetheless, this issue can be fixed with relative ease. That will be the goal of this third article of the series. So if you're interested in learning how this solution will be implemented, don't waste any more time and start reading now!   They start by looking at throwing an exception with the __autoload so that the script can catch it. The go back to mention the method they'd talked about before - using just eval() - and then show the "new and improved" method of handling the result with a try/catch block instead of a direct output.
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DevShed has a new article posted today covering some of the new features in PHP5.
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DevShed ramps up another new series today with this new article giving developers a look at working with object-oriented programming through the eyes of design patterns. It's another excerpt from the George Schlossnagle book "Advanced PHP Programming".   This chapter provides an overview of the advanced OO features now available in PHP. Some of the examples developed here will be used throughout the rest of this book and will hopefully serve as a demonstration that certain problems really benefit from the OO approach.   The article lays down the foundation for the more complex information to come. It introduces object-oriented programming briefly, and talks about some of the handy features of it - like inheritance, static attributes and methods.
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Latest PHPClasses.org Releases:JPEG Slicerclass upload fileFeed GeneratorCSV CreationKG MySQL ClassMYDB ClassmyYouYubeCotaÃÂ§ÃÂ£o do DollarObject  dynamic generationHTTP client classconvert
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Damien Seguy has continued his series looking at PHP configurations around the web and is sharing the results in the form of two new reports over on Nexen.net.   I just published the second part of the serie about PHP configurations. This part focuses on three aspects of PHP: PHP extensions, PHP streams, and disabled functions.   You can find the statistics themselves here and the latest configuration statistics here. It's interesting to see the drop-off when it comes to the various modules that are installed ("php, ftp and http are the most common. Besides them, tough luck.") and to see the somewhat more gradual curve of which functions are disabled - with system() topping out the list (with good reason).
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DevShed is continuing on with their series looking at advanced concepts of object oriented PHP with this new tutorial. It's part three of four parts, looking this time at polymorphism and design patterns in PHP.   Last week, we continued our discussion of the object-oriented features of PHP 5 by taking a first look at design patterns. This week, we will continue looking at design patterns, and examine polymorphism. This article, the third of four parts, is excerpted from chapter two of the book Advanced PHP Programming, written by George Schlossnagle.   They cover some of the more handy features OOP in PHP5, including interfaces, type hinting, the factory pattern and the singleton pattern.
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Popular posts from PHPDeveloper.org for the past week:ProDevTips.com: Writing a CMS/Community with Smarty and the Zend Framework: Part 6Nessa's Blog: Using an .htaccess with PHP Compiled as CGIArnold Daniels' Blog: How I PHP: The Output Handler - ContinuedMartynas Jusevicius' Blog: PHP 5 features: Class autoloadingSean Coates' Blog: Actually Solving a Problem (believe it or not)The Northclick Blog: Message Queue Project: First working versionStefan Mischook's Blog: A Question about object properties in PHP ClassesJob Posting: G2 Technology Seeks PHP Developer (Memphis, TN)Rob Allen's Blog: Zend_View: Access the view from a view helperDavid Walsh's Blog: Using PHP Generic Objects To Organize Your Code
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DevShed has posted part one of a new pair of articles that show how to use inheritance in your PHP applications.   In the two articles in this series I'm going to show you how to build a sample object-based web site from its bare bones structure, by using the encapsulated logic of some parent and child PHP 5 classes. In this way I'll demonstrate how inheritance can be used to tackle a concrete project, such as constructing dynamic web pages.   In part one, they build the foundation of their sample application - a web page builder - by defining the WebPage class and abstract methods for it like buildHeader, buildStyles and buildBody. Inheriting from this, they build a HomeWebPage class that defines the methods and values to create a simple page. They take it even a step further and build an AboutUsWebPage to show another implementation.
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Aaron Wormus has a new note on his blog today about his presentation at this year's Zend/PHP Conference & Expo and another speaker he's excited to hear.    One of the Zend conference sessions that I'm pretty excited about is Don Samisa Abeysinghe's (of WSO2) "Fully Fletched Web Services with PHP".   I'll be presenting a session on "Moving to PHP5 with Style." This tutorial/case study will be based on experience in transitioning several codebases from PHP4 to PHP5, creating unit tests & started a move towards a service based architecture without a complete platform rewrite.    Aaron's talk fits under the banner of the "PHP Development" talks, including others on topics like hosting PHP applications on Windows, working with PDO, unicoding in PHP6, and using PHPUnit.
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Fixes made for "critical" JavaScript vulnerability in the Firefox browser and the SeaMonkey application suite.
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Security is becoming a more and more popular topic among PHP developers, and Joseph Crawford has followed the trend and written up his own look at the way PHP handles session and session information as it relates to the security for both the user and the server admin.   One aspect that I dislike about the internal PHP sessions is that they are stored in files on the hard disk (usually /tmp/) by default. This means anyone with access to the machine has access to read the session data. I prefer to store my session information in the database to add an extra layer of security.   He looks at the pitfalls of using this kind of setup (among them, multiple users being able to use one IP) and a simple method for creating a custom sessions handler to replace PHP's built-in one. His example works with a local database to handle saving and retrieving the session information. And, to make things unique, he generates a "fingerprint key" for each user's information to serve as a unique identifier rather than handling it on the connection.
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In a recent post to his blog, Mike Bernat gets down to basics with one of the key pieces of functionality in PHP data persistence - cookies vs. sessions.   Knowing the basics of cookies and sessions is essential to any successful PHP programmer. It is useful to store pieces information on the users computer for later use. Things like when they last visited, language of choice, age, etc. Cookies and Sessions are the perfect solution to our needs.   He talks about both, including demonstration code to clarify some points and a chart at the end to compare their features, strengths, and weaknesses.
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While attending Gunter Kniesel's "Aspect-Oriented Software Development" lecture yesterday it occured to me that it might be possible to (ab)use PHP 5's __autoload(), __call(), __get(), and __set() interceptors to facilitate Aspect-Oriented Programming with PHP.
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In a new blog entry today, Matthew O'Phinney talks about updates (and refactoring) that he's done to a PEAR package he's developed, File_Fortune.   Over the past few evenings, I've refactored File_Fortune to have it implement Iterator, Countable, and ArrayAccess -- basically allowing it to act like an array for most intents and purposes. As a result, I've eliminated the need for the File_Fortune_Writer package, and greatly simplified the usage.   The package is designed to make an interface between the casual PHP user and the fortune files common on most *nix machines. To illustrate he update, he includes some code that grabs the fortune file, parses it to grab a random one and echoes them out. Also included is the save() method so you can add your own to the list easily.
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Jim Plush has posted an offifical release announcement about his latest contribution to the PHP community - a debugging tool combining PHP (through the myBIC framework) and the Firefox FireBug extension.   I put together a couple pieces of technology to give the PHP community a debugger/profiler that should make life easier in the "web2.0" world. Are you tired of echo'ing print statements in your ajax calls? Writing to log files? Firing up big ol debuggers just to see what the value of some array is? Well look no further than the new MyBic PHP Debugger.   The tool is a smaller part of his larger MyBIC framework and can do things like writing log files, echo information back out to the screen, and communicate information back out to the Firefox user. There is a standalone version of FireBug that will be posted for those that don't want to have to install an entire framework to use it.   Keep an eye out (here and on his blog) for the links to the release when it's posted. In the meantime, you can check out a screencast [mov] of the package in action or just the screenshots in the blog entry.