SitePoint PHP Blog: The Joy of Regular Expressions [2]
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Harry Fuecks is back today on the SitePoint PHP Blog with part two of his "joy of regular expressions" series, continuing on from this previous entry.   He jumps right in, summarizing the first part in a small section before getting back into the examples:  Hunting for .jp(e)gs Escaping Meta-Characters Search and Replace preg_quote() preg_replace() Word Boundaries, Word Characters...and everything else Sub patterns Spot the XSS Hole eval() is evil! preg_replace_callback()  As you can see, it's crammed with just as much infromation as the first part and covers a wide range of topics to help you get more in tune with your inner regular expression guru.
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This month's edition of PHP Magazine has been released!
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Work begins on a Perl 6 regexp parser, and Unicode manipulation of strings prompts discussion on the language list.
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Sean Coates has created a simple version of a popular bit of Perl functionality and shares the code in hi slatest post - the "pie" ability to perform a search and replace, line by line, through a file using a regular expression.   I've often found myself looking for a PHP equivalent. Not to do simple substitutions, of course, but complex ones. And since I'm most comfortable with PHP, and a I have a huge library of snippets that I can dig out to quell a problem that I may have solved years ago, I've been meaning to fill this void for a while.   So, one evening, he came home and hashed out this version of the script. He includes the code in the post...it works on the command line and pulls in a file (though STDIN) and loops through the buffered version to perform the regex replace.
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Popular posts from PHPDeveloper.org for the past week:Padraic Brady's Blog: Complex Views w/Zend Framework - The Final Chapter: ZFE & Zend_Layout in Core!php|architect: Stuff your stockings: single issues 30% offDeveloperTutorials.com: How to Install PHP 5 on LinuxStoyan Stefanov's Blog: Fancy FormattingSymbianOne.com: Your S60 Web server gets a boostAndreas Gohr's Blog: MySimple.php - A lightweight PHPMyAdmin substituteNessa's Blog: Working with Permissions in PHPSymfony Blog: Symfony 1.0.10 is OutMatthew Turland's Blog: Web Scraping Article PublishedJan Lehnardt's Blog: REST Controller for PHP Applications
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In this post to his blog, Chris Shiflett talks about some issues surrounding character encoding and the cross-site scripting issues it can open up in your application.    In the post [on Good and Bad PHP Code], he provides a few useful PHP interview questions, including some questions from Yahoo. He explains that good PHP code should be Structured, Consistent, Portable and Secure   In the comments, many additional improvements have been suggested, but there's one that has yet to be mentioned. When using htmlspecialchars() without specifying the character encoding, XSS attacks that use UTF-7 are possible.    Included in the post is an example to illustrate the point as well as a solution, a simple one involving the header() function, to help correct the problem and prevent bad things from happening.   Be sure to check out http://shiflett.org/blog/2007/may/character-encoding-and-xss#comments">the comments for more great tips.
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On his blog today, Ilia Alshanetsky has posted an update on one of the last issues before PHP 5.2 is released - the Filter extension - and some of the problems that have surrounded it.    If you have been monitoring PHP's internal mailing list you probably know that over the last few weeks we've been locked in a stalemate in regard to the API revision of the filter extension brought to light by Dan from our documentation team. This is also the reason why despite this being early October PHP 5.2 is still not out.    Fortunately, after mediation with Derick and Pierre the two protagonists of the filter conundrum a compromised was finally reached.    He mentions the commit that was made to include it into the current build, and no complaints have been lodged against it. He also comments that, with this isse out of the way, developers can look for PHP 5.2RC5 out as soon as this Thursday (10.05.06). Ilia also gives a brief tour of the filter extension's functions.
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Time for a little nostalgia today in this new post from Philip Olson looking back at a brief history of the PHP acronym - where it came from and how it evolved to mean "PHP: Hypertext Preprocessor".   While reminiscing what PHP was like back in the early early years, I stumbled upon a little historical nugget from the old website. Do you know what the acronym PHP stands for? Many of us do, or think we do. [...] But how was the definition chosen? For fun, here's a look back at the official vote that determined this new meaning way back in 1998. It might be worth mentioning that Rasmus, the father of PHP, did not vote for the eventual winner.   He also includes a few "notable quotes that could be taken out of context" from Rasmus Lerdorf concerning his opinions on the matter of the acronym's meaning as well as some other brief notes on the history of PHP and its name change.
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Michael Kimsal has come up with the start of a series to introduce PHP developers to the world of Grails (the Java framework).   The comparisons I plan to make will be mostly to PHP, cause that's what I'm most familiar with, though there may be some other comparisons from time to time.  This is a work in progress, but I'd be very interested in feedback from anyone out there interested in this aea - Grails, Groovy, PHP, why another language/platform/framework, etc.   The first two installments have been posted - part one and part two - with an introduction to what Grails is and a brief dip into some "Hello world" sort of code to give you an idea of the structure.
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Chris Shiflett has posted his own recap of the (just passed) php|works conference up in Toronto over on his blog.   I've been traveling non-stop since php|works, so I haven't had a chance to reflect on the conference, what I learned, who I met, and things like that. (Zak has been doing a good job of this lately, and I'd like to follow his lead.) I've probably forgotten more than I remember, but this is my recap.   Included in the things he mentions are:  The people he was able to meet (like Joshua Eichorn and Sebastian Bergmann) The talks he gave ("Truth about XSS" and "Agile PHP Testing") His interview with Cal Evans of the Zend Developer Zone The PHP 5 Certification and Wez Furlong's "Not PDO" talk
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In a new post to his blog, Sebastian Bergmann mentions a new effort he's undertaken - the porting of the Hamcrest library of matcher objects to PHP.   I have begun to port Hamcrest, which provides a library of matcher objects (also known as constraints or predicates) allowing "match" rules to be defined declaratively, to be used in other frameworks. Typical scenarios include testing frameworks, mocking libraries and UI validation rules, to PHP.   The hamcrest-php project compliments other current hamcrest-related projects and his ultimate goal is to make it available to the PHPUnit testing community (as well as with the PHPMock effort).
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Sara Golemon brings us some news from the front about PHP6 in her latest blog entry today.   While everyone else has been busily gearing up for the release of PHP 5.2 and the new features that are going to come with it, Andrei and his small band of merry babelonians (yours truly included) have been making inroads on preparing PHP6 for a preview release. In the past week we've managed to roughly double the number of builtin functions (those which are part of the main distribution) that have been reviewed for unicode safety, either flagging them as good or upgrading their functionality   She also talks about what kinds of functions this entailed and how far along they are total (around 22%). She also encourages anyone that wants to get involved to help to jump right in.
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The Zend Developer Zone has released part two of a series (here's part one posted back in November) looking at making forms for your website with the help of the PEAR HTML_QuickForm class.   I'll be discussing some of the package's non-standard form elements, teaching you how to combine elements into groups, showing you how to apply templates to control a form's appearance, and guiding you through the process of writing and registering your own custom validation rules.   There's plenty of sample code and screenshots to go around in this second part including examples of form auto-completion, multi-select elements and and example of its integration with Smarty.
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From SitePoint.com today, there's a new piece entitled Introducing PHP 5's Standard Library. It goes into some detail about an extension that snuck in the back of the PHP world - the Standard PHP Library.
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This week's edition of PHP Magazine's PHPBarnstormer has been released - Issue #22.
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DevShed has posted the second and last part of a series of two articles based around the Composite design pattern - using it to work with strings in PHP5.   Are you a PHP developer who wants to improve your skills in pattern-based programming in PHP? If the answer to this question is a emphatic yes, then you should begin reading this article now! Welcome to the final part of the series "Implementing the composite pattern with PHP 5." Comprised of two instructive tutorials, this series walks you through the basic concepts of this important design pattern, and shows you how to apply it with some educational examples.   They start by defining a simple StringProcessor class as an abstract interface to build from. From there, they create two other classes - the SingleStringProcessor and the MultipleStringProcessor. Each of these takes in either a single file or multiple filenames and spits back out the value of the string and the length of the string.
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Popular posts from PHPDeveloper.org for the past week:Sebastian Bergmann's Blog: Support for the Cancel Case Workflow PatternCommunity News: The PDO v2 ProposalSite News: Popular Posts for the Week of 01.25.2008ProPHP Podcast: PHP Newscast for 2008/01/24Developer Tutorials Blog: Why you should be using YAML for configJob Posting: InvestorGuide.com Seeks Web Developer (Fairfax, VA)Pierre-Alain Joye's Blog: Debugging symfony (or any php script) with vim and XdebugCIO.com: You Used PHP to Write WHAT?!Demian Turner's Blog: Seagull 0.6.4 Release (fixes Security Isse from 0.6.3)Developer Tutorials Blog: PHP Qualifications: The Good, The Bad and The Ugly