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Larry Garfield:
On empty return values
by Chris Cornutt March 29, 2013 @ 09:15:59
Larry Garfield has posted some of his thoughts on return values and reminds you about consistent return types, regardless of the result.
Earlier today, I posted a brief tweet (isn't that redundant?) about return values in PHP (or really, any language). Originally it was about return values from functions (such an exciting topic, I know), but it ended up generating a fair bit of lively conversation, as well as a patch against Drupal 8. So lively, in fact, that I think it deserves more than 140 characters.
He proposes a new rule of thumb: "If your function returns a collection, its null value return must also be a collection." A more broad version of this might be: "make your return types consistent." It's all about predictability and the contracts you have between different parts of your code. If a user calls your method expecting to be able to loop over the results, they'll be disappointed with a "false". He talks some about using and throwing exceptions more effectively for error handling and answers several "but wait..." arguments for his return strategy.
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James Fuller's Blog:
Enforcing contracts in your PHP functions and methods
by Chris Cornutt March 23, 2012 @ 08:37:11
James Fuller has a new post to his blog today about a way you can enforce contracts in your PHP using a combination of type hinting and value checking.
Design by contract is an important concept for controlling what type of input your methods or functions can receive. One of the most dangerous features of PHP is that functions will still execute even when they are missing required arguments, by emitting a warning instead of an error. In this post, I am going to walk through some of the solutions available to deal with this problem.
He shows how to alter a basic function to first use type hinting to catch when a variable is the wrong type (in this case checking for an array and stdClass) which causes a Fatal error and makes the function not execute. He includes sample code for the type/value checking option and also includes a suggestion of using PHPUnit's assertions as another option.
Finally, he introduces the ContractLib tool (from Stuart Herbert) that makes use of closures to enforce checks - his example checks to see if something is a string and that it's not empty.
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Stuart Herbert's Blog:
Introducing ContractLib (Programming Contracts)
by Chris Cornutt January 13, 2012 @ 14:11:52
In this recent post to his blog Stuart Herbert introduces a system he's created to handle "contracts" in PHP development - ContractLib.
Programming contracts are tests around functions and methods, and they are normally used: to catch any 'bad' data that has been passed into the function or method from the caller, and to catch any 'bad' data generated by the function or method before it can be returned to the caller. These are pre-condition and post-condition tests, and they are tests that either pass or fail.
He points out that by having contracts you not only increase the robustness of your code but you also save time not trying to hunt down data-related issues. Using pre-conditions, you can can check data to ensure things like correct formatting, data that's out of range and data that might be missing. His ContractLib comes with a set of tests that provide good examples of how to use the functionality. Installation instructions are included.
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Cal Evans' Blog:
Six ways to be a better client for your developer - Point 6
by Chris Cornutt January 26, 2011 @ 12:51:31
Cal Evans has posted the final point in his "Six Ways to be a Better Client for your Developer" series seeking to make the client/developer relationship more stable and enjoyable for both sides. This latest tip involves the paperwork part of the relationship.
Good fences make good neighbors just as good contracts make for good developer/client relations. At the very least your agreement with your developer should contain a complete description - in non-vague terms - of each feature to be built as well as a paragraph description of the overall project.
He emphasizes that, if the feature or change is not included in the documentation from the start, it's not a part of the project. Making assumptions on vague definitions will only cause problems down the road, so be specific in what you want.
If negotiating the contract with your developer is a hassle, consider it your last opportunity to walk away and find another developer.
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Cal Evans' Blog:
Six ways to be a better client for your developer - Point 6
by Chris Cornutt January 24, 2011 @ 10:08:33
Cal Evans has posted point number five of his six ways that a client can do their best to work with the developer(s) on their project (and get the most out of the relationship). This next point deals a subject considered by some to be a bit uncomfortable - money.
Let your developer know up front how much you have to spend, don't make them guess. They know what they can build projects for and letting them know up front helps them decide what tools to use and even whether they can afford to take the project or not.
He recommends the client ask for references and check them before committing to the developer and how close they came in the past to the goal budget. They should understand that, once the initial price and design is agreed upon, changes should be handled separately - no one-off requests squeezed in at the last minute. Hitting a moving target is asking for trouble.
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Job Posting:
Moontoast Seeks PHP/Symfony Engineer, Contract (Nashville, TN)
by Chris Cornutt January 04, 2011 @ 22:13:51
| Company |
Moontoast |
| Location |
Nashville, TN |
| Title |
PHP/Symfony Engineer, Contract |
| Summary |
Who You Are
You have over 3 years of professional work experience developing web applications and you
think social is going to change the online world. You are analytical, inquisitive, energetic with a
bias toward action, and comfortable with both quantitative and qualitative data. You understand
and embrace agile development, and you want to write the best code of your life every time you
sit in front of the computer, but still understand the difference between theoretical perfection and
working software you can actually deliver.
What You'll Do
As a contract PHP/Symfony guru for Moontoast, you will be supporting the continued
development and maintenance of our flagship Commerce Community product. You will be
called upon to perform the following Herculean tasks to that end:
- Work closely with the Product Manager to determine both what features are feasible and
what resources in terms of time, money, and manpower said features will take to get
done.
- Design new features, maintain existing functionality, and execute a whoop-ass product
using a boatload of different technologies. Be excited to try new techniques and tech but
also recognize the value of the tried-and-true.
- Respond to bug reports with speed, and test your fixes. For that matter, test everything
else too.
- Communicate your designs to the other team members in a way that everyone
understands and will minimize back-and-forth.
- Collaborate with and rely on the experience and knowledge of the Software Architects,
but don't follow blindly. If you disagree, say so. Discussion never hurt anyone.
- Respect the best practices and standards of both the industry and the company.
- Write robust automated tests.
- Own your work - when you screw up, admit it, fix it, and learn from the experience.
- Playing the blame game is a waste of time, and nobody likes a complainer.
Desired Skills and Experience
- >3 years of experience in Web 2.0 app development (Web Services, PHP, Ajax)
- PHP and OOP expertise. Know your OOP axioms.
- In-depth knowledge of and experience with Symfony 1.3/1.4 and Doctrine 1.
- Extensive experience working with RDBMSs (primarily MySQL).
- Comfort working in a Linux environment, and deep familiarity with a CLI text editor like
VIM or EMACS.
- Strong knowledge of HTTP.
- Experience working with the git VCS.
- Working knowledge of client-side technologies like HTML, CSS, & JavaScript.
About Moontoast
Moontoast is a complete social commerce platform that makes social media profitable. Working
seamlessly within a brand's social experience, Moontoast products create deeper connections
and conversations through highly interactive communities; streaming, pay-per-view events;
and exclusive, private sales clubs. Each product in the Moontoast suite dovetails into the next,
creating a virtual funnel designed to increase engagement and spend at each level. Moontoast
currently offers three core products for either standalone or integrated implementation-
a branded community, embedded store, and private sales club. An extension to the store
product, includes features tailored to meet the social commerce needs of the music, retail, and
publishing industries, is scheduled to launch in early 2011.
Please send your resume to jobs@moontoast.com.
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Job Posting:
Moontoast Seeks Senior PHP Developer (Nashville, TN)
by Chris Cornutt April 27, 2010 @ 18:26:08
| Company |
Moontoast |
| Location |
Nashville, TN |
| Title |
Senior PHP Developer (Contract w/Full Time Possibility) |
| Summary |
Summary:
Moontoast is a social commerce network for people to pursue and promote their passions through personal relationships. Moontoast simply connects those who know, with those who want to know.
Moontoast is seeking passionate, senior PHP developers-who want to pursue and promote their passion for writing high quality code-to enhance the Moontoast social commerce platform. We are looking for self-motivated individuals with the right attitude and excellent skills who can hit the ground running in a fast-paced web startup. Ideal candidates will thrive in a tight-knit team environment, promoting their passion for software design by leading product teams and mentoring our growing development team.
The main responsibilities of a senior PHP developer include:
- Working with the senior developers and architects to provide leadership in technical design and architecture of the Moontoast platform
- Setting estimates and expectations for new product development and implementing new features, tracking on target deadlines
- Mentoring and leading developers by example through writing clean, well-documented, maintainable code and enforcing standards and best practices
- Participating as an active Moontoast Guide in the Moontoast Developer Community
Requirements
We are looking for:
- 5+ years of experience with PHP
- 8+ years of experience with web development
- Deep understanding of browsers and HTTP
- Experts at object-oriented programming concepts and design patterns
- Demonstrated ability to design and develop complex web services
- Extensive experience with the Symfony framework and Doctrine
- Working knowledge of version control systems (Subversion, Git, etc.)
- BS in Computer Science/Engineering or equivalent experience
We would like to see:
- A passion for web development and an interest in sharing that with others
- Independent thinkers with strong leadership qualities
- Demonstrated ability to develop large-scale websites
- Experience with service-oriented architectures, web services, and Cloud technologies
- Knowledge of advanced data organization concepts, such as sharding
- Experience with other PHP frameworks utilizing the MVC design pattern
- Expert Linux development skills, from the command prompt to the web server
- Open source project development experience
- Developer community involvement (blogging, speaking, articles, Twitter, etc.)
- Zend PHP 5 Certification
- MS in Computer Science
We invite interested candidates to send resumes to hr@moontoast.com.
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Job Posting:
Staffing Technologies, LLC (Recruiter) Seeks Contract PHP Developer (Redmond, WA)
by Chris Cornutt December 30, 2009 @ 21:15:55
| Company |
Staffing Technologies, LLC |
| Location |
Redmond, Washington |
| Title |
PHP Developer (long term contract opportunity) |
| Summary |
Staffing Technologies is a tier 1 vendor to more than 65 fortune 500 and 1,000 companies nationwide. We are currently recruiting for 2 contract PHP Developers for our broadband/wireless internet client based in Kirkland, Washington. These positions are responsible for the investigation, development and troubleshooting of website, sales, and customer care systems. You absolutely must be highly motivated and very comfortable with rapid changes in direction and environment. The successful candidate will be customer oriented results driven, and passionate about delivering innovative quality services to the client's customers.
Responsibilities:
- Develop site content and pages for external and internal websites
- Work closely with team members to deliver improvements to our web site, intranet, and sales systems. This includes working with IT and functional leads on researching solutions, investigating capabilities, developing requirements, and delivering system implementation
- Ensure applications are designed to support instrumentation objectives, rapid enhancement objectives and will provide superior user experiences
- Provide Tier 3 support for production applications on an as-needed basis
- Assist with the improvement and practice of a development methodology to consistently enhance and predictably deliver product to customers
Qualifications:
- 3+ years experience developing commercial software in an agile environment through several complete development cycles - from specifications to software, also producing required documentation and providing production support
- 3+ years experience implementing mission critical internet based application systems implementing best practices for software code development, re-use, and componentization
- 2+ years experience with relational databases (MySQL, Oracle, Sybase, etc.)
- ZEND experience highly preferred
- Strong experience with Model View Controller (MVC) Spring, Struts, etc
- Strong Knowledge of internet technologies and languages (PHP, JSP, HTML, JS, XML, DHTML, CSS, XSLT, XHTML, Servlets, SOAP)
- Experience in distributed and multi-threaded systems and large website experience with an understanding of scaling issues
- Excellent communication skills
- Strongly customer oriented
- Ability to thrive in a dynamic and challenging work environment
- Experience in wireless/telecommunications industry
Education:
BA/BS or equivalent in Information Systems, Computer Science, Engineering, or a related technical field
For more information or to submit a resume contact R. Scott Noel at scottn@staffingtechnologies.com.
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