Aspect Oriented Programming
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An introduction to Aspect-Oriented Programming in PHP using the Go!AOP Library. Keywords: Aspects, Advice, Pointcut, Join Points.
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An insight into the Phing build system for PHP, why and how you might use it along with where it sits with related tools such as PHPUnit, PHP Code Sniffer, PHP Mess Detector etc. We will also take a brief look at how Phing can integrate with Continuous Integration, taking Jenkins as our example. We will also be including some simple practical demos of Phing in action!
Insects in your mind
Insects in your mindJeremy Coates Talk given at Barcamp Blackpool 2011 #bcblackpool
How negative thinking holds us back from achieving our best.
Phing
PhingJeremy Coates Phing is a PHP-based build system similar to Apache Ant that allows developers to automate tasks like testing, deployment, and reporting. It can run tasks like code quality checks, unit testing, database deployment, linting, and generating documentation. Phing uses XML build files to define targets and tasks. Example tasks shown include cleaning, preparing, and deploying to staging and live environments. Phing can also integrate with continuous integration tools like Jenkins to run automated builds and tests regularly.
Hudson Continuous Integration for PHP
Hudson Continuous Integration for PHPJeremy Coates Presentation given at BarCamp Blackpool as a precursor to a practical demonstration of Hudson, Phing, PHPUnit etc.
The Uncertainty Principle
The Uncertainty PrincipleJeremy Coates 1. The document discusses the uncertainty principle and how it is impossible to know both the precise position and momentum of a particle at the same time.
2. It argues that software development is a learning process where uncertainty decreases over time as knowledge increases. Early decisions should not dominate later development when understanding is greatest.
3. The key ideas are that uncertainty should be used as an indicator to consider options and defer commitment, and that the best way to achieve flexibility is to understand specific examples rather than trying to account for all possible general cases.
Exploiting Php With Php
Exploiting Php With PhpJeremy Coates Arpad Ray's PHPNW08 slides:
Looking at websites from the perspective of potential attackers is a useful technique not only for security professionals.
This talk demonstrates how to use simple PHP scripts to exploit many common security holes in PHP applications, hopefully giving developers a deeper understanding of what it is they are protecting against.
* Getting around common precautions against SQL injection
* Free spam with SMTP injection
* Making a malicious website to exploit PHP sessions
* The holes every attacker hopes for
* Making use of a newly exploited website
What's new, what's hot in PHP 5.3
What's new, what's hot in PHP 5.3Jeremy Coates Johannes Schlüter's PHPNW08 slides:
The current PHP version, PHP 5.3 introduced a multitude of new language features, most notably namespaces and late static binding, new extensions such as phar, as well as numerous other improvements. Even so, this power-packed release boasts better performance than older PHP releases. This talk will give you a good overview about PHP 5.3 and show some less known features in detail.
Kiss Phpnw08
Kiss Phpnw08Jeremy Coates Derick Rethans' PHPNW08 key note slides:
One of PHP’s strengths has always been its low barrier-of-entry. It’s also one of its weaknesses however. In this keynote I will talk about the first steps of getting to know PHP, its community and developers. Of course times have changed now, and we are in the Web 2.0 era now, but the KISS principle still applies; for application design, for UI design and for server set-ups. I will also take you to the application development side of the KISS principle, with simpler architectures you can more easily make powerful complex applications.
Regex Basics
Regex BasicsJeremy Coates Ciarán Walsh's PHPNW08 slides:
In the right hands regular expressions can be a powerful tool, but it’s also far too easy for them to be used badly, or in the wrong situations.
This talk will kick off with a look at alternatives to regular expressions, for when the power of pattern matching is not required, and will also go over some cases when there are better alternatives available.
Then there will be a brief refresher on pattern syntax and some general tips and tricks to help when constructing regular expressions, before we go on to look at some situations where the use of pattern matching is a good fit, how to solve some common problems, and some common pitfalls when writing patterns.
Search Lucene
Search LuceneJeremy Coates Zoe Slattery's slides from PHPNW08:
The ability to store large quantities of local data means that many applications require some form of text search and retrieval facility. From the point of view of the application developer there are a number of choices to make, the first is whether to use a complete packaged solution or whether to use one of the available information libraries to build a custom information retrieval (IR) solution. In this talk I’ll look at the options for PHP programmers who choose to embed IR facilities within their applications.
For Java programmers there is clearly a good range of options for text retrieval libraries, but options for PHP programmers are more limited. At first sight for a PHP programmer wishing to embed indexing and search facilities in their application, the choice seems obvious - the PHP implementation of Lucene (Zend Search Lucene). There is no requirement to support another language, the code is PHP therefore easy for PHP programmers to work with and the license is commercially friendly. However, whilst ease of integration and support are key factors in choice of technology, performance can also be important; the performance of the PHP implementation of Lucene is poor compared to the Java implementation.
In this talk I’ll explain the differences in performance between PHP implementation of Lucene and the Java implementation and examine the other options available to PHP programmers for whom performance is a critical factor.
Mysql Explain Explained
Mysql Explain ExplainedJeremy Coates Adrian Hardy's slides from PHPNW08
Once you have your query returning the correct results, speed becomes an important factor. Speed can either be an issue from the outset, or can creep in as your dataset grows. Understanding the EXPLAIN command is essential to helping you solve and even anticipate slow queries.
Associated video: http://blip.tv/file/1791781
Introduction to Version Control
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PHPNW Conference Update
PHPNW Conference UpdateJeremy Coates The document provides details about the PHPNW08 conference to be held on November 22nd, 2008 at the Manchester Central Conference Centre in Manchester, UK. It outlines the schedule including registration, presentations, breakout sessions, and an evening social. It also discusses the venue details, travel plans, call for papers, sponsors, and includes relevant website links.
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Aspect Oriented Programming
- 1. @magma_digital Code All the Things An introduction to Aspect–Oriented Programming
- 2. @magma_digital Who am I? ๏ Jeremy Coates, CEO, Magma Digital Ltd ๏ Founder of PHPNW User Group & Conference ๏ Digital Lancashire CIC Founding Director ๏ International Conference Speaker ๏ Coach of Coaches - WeCa.mp (code camp) ๏ @phpcodemonkey ๏ linkedin.com/in/jeremycoates
- 3. @magma_digital ★ Aspect–Oriented Programming - using Go! AOP • Separate cross-cutting concerns (logging, caching etc.) into Aspects (aka. a class that implements Aspect) • Adds behaviour without modifying code itself - Advice (can be an annotation e.g. @Around, @Before or @After) • An approach to specify where to apply an Advice - Pointcut (regex matching) / Join Points (a script execution point e.g. method) Aspect–Oriented What?
- 4. @magma_digital ★ Concerns like logging, security, caching • Don’t neatly fit traditional OOP models • They cut across concerns and litter our code • $logger->info(‘message’); • $perm->hasPriv(‘admin’); OOP but not as we know it
- 5. @magma_digital ★ Regular classes that bundle functionality • Like logging, caching, security etc. • Use annotations to trigger method invocation • @Before(“@execution(MagmaDigitalAnnotatio nLoggable)”) • @Before("execution(public Example->*(*))") Aspect
- 6. @magma_digital ★ A conceptual term indicating a point during the execution of a script e.g. • Method or • Property Access Join Point
- 7. @magma_digital ★ Action taken by an Aspect at a given Join Point - Identified by an annotation • @Before - executes before the Join Point • @After / @AfterThrowing - Executes after the Join Point exits • @Around - surrounds the Join Point • Custom behaviour before & after, can also prevent continued execution, return own value/exception etc. @Advice
- 8. @magma_digital ★ Simply a regular expression that matches join points • An Advice is linked to the Pointcut and runs at any Join Point matched by the regex • e.g. methods matching a certain name stub • @Pointcut("@execution(MagmaDigital AnnotationLoggableDetailed)") Pointcut
- 9. @magma_digital ★ Framework depends on autoloading • Really old legacy code needs converting first ★ composer require goaop/framework ★ Create application AspectKernel ★ Configure AspectKernel ★ Create an Aspect class (& Register in AspectKernel) Go! AOP First 10 Minutes
- 10. @magma_digital ★ Aspect–Oriented Programming can also • Introduce new interfaces / traits (inter-type declaration) • e.g. make all DTOs implement Serializable • Weave code - link to other applications/objects • e.g. Doctrine Entities Advanced Use
- 11. @magma_digital ★ PHPStorm - Go! AOP Framework plugin • also needs PHP Annotations Plugin ★ Frameworks • goaop-laravel-bridge • goaop-symfony-bundle • goaop-zf2-module Support
- 12. @magma_digital ★ Codeception/AspectMock (github) • Based on Go! AOP • Create test doubles for static methods • Create test doubles for class methods (wherever they’re called) • Redefine (PHP or user)methods on the fly Aspect–Oriented Testing
- 13. @magma_digital ★ http://go.aopphp.com/docs/ ★ https://packagist.org/packages/goaop/framework ★ https://github.com/goaop/framework • https://github.com/goaop ★ https://github.com/Codeception/AspectMock Resources
Editor's Notes
- #3: I’ve been a developer for almost 20 years and have long history of consulting, adopting other peoples projects and running kick-ass software agency. For my day job, I am CEO of Magma Digital Ltd, a 20 strong team focussing on delivering business critical software development, using PHP, to enterprise. I am also the driving force behind the UK's PHPNW conference, user group and brand, I started the group in 2008 and have, with assistance from many others, helped the group to be able to deliver seven years of high quality conferences, now with 400+ delegates. The passion for this comes from my personal drive to improve skills in those around me who I serve through mentoring, coaching, training and speaking. Pleasure of attending all but 1 Benelux conference and speaking at PHPBNL 12, 14 and now 16 - seems like even numbered years are my thing!