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15 Excellent Resources for PHP Extension Development
Whilst developing a PHP extension recently I spent quite a bit of time researching exactly how to create an extension, the best practices and the DocBook format of the PHP manual for documenting the extension. By the time I finished writing the extension I had found some very good resources both on the web and in print. Printed books: Sara Golemon’s Extending and Embedding PHP Advanced PHP Programming by George Schlossnagle Building Custom PHP Extensions by Blake Schwendiman Online articles and presentations: The Internals section of the PHP manual Kristina Chodorow’s PHP Extensions Made Eldrich on her blog in 2011: Installing PHP Hello, World! Read more ⇒
The PHP ssdeep Extension is Now in PECL
The PHP ssdeep Extension is Now in PECL This means you can now install it easily by simply running: sudo pecl install ssdeep There is also proper documentation in the PHP manual which can be found at php.net/ssdeep. For more information on the extension either see the PECL project page or the ssdeep PHP/PECL extension’s homepage. Read more ⇒
php_ssdeep Fuzzy Hashing PHP Extension
php_ssdeep Fuzzy Hashing PHP Extension **Updated 16/9:**php_ssdeep is now in PECL so I have updated this post to reflect that. On a recent project I needed a fast way to compare documents for likeness and return a percentage match. With much research and one unanswered Stackoverflow post later I came across Jesse Kornblum’s ssdeep utility intended for computer forensics such as looking for signatures in files when hunting rootkits etc. All the technical details of fuzzy hashing are described in his 2006 journal article Identifying almost identical files using context triggered piecewise hashing. Read more ⇒