Professional PHP

This is a guest lecture given at Artesis Plantijn Hogeschool Antwerpen to promote and inform students about the possibilities of developing PHP applications.

Transcript

1. Artesis Plantijn Hogeschool Antwerpen Professional PHP
2. Who am I? Michelangelo van Dam Professional PHP Consultant michelangelo@in2it.be twitter.com/DragonBe facebook.com/DragonBe gplus.to/DragonBe dragonbe.com
3. Who are you?
4. Let’s talk PHP
5. Rasmus Lerdorf Created PHP in 1995 Called “Personal Home Page”
6. PHP & Open Source World wide community Best support ever! (IRC, mailing lists, forums, blogs, twitter, …) Source code available to learn, to modify, to fix Powers over 60% of the internet Free!!!
7. PHP = Sexy
8. History Web sites Online shops Build “Quick Time To Market” Considered a toy
9. Present Rich web applications Mobile API’s Interoperability Build to last Considered “Major technology”
10. Future Mobile Applications Data interchange Enriched media …
11. PHP Key features Build for the web Glue & interoperability (Java, .NET, …) Open Source (free, customizable, …) Multi-platform support
12. Industries automation communication e-commerce energy financial food entertainment government health care non-profit transportation travel & holidays
13. PHP in daily life
14. PHP Supported by
15. Why PHP?
16. Why invest in PHP? Easy to learn Runs on Windows, Mac OS and Linux No compiling of code Easy to debug Quick time to market
17. Example: a blog Set up your database Install Wordpress on your server Choose a ready-made theme Write first blog article 15 minutes
18. Easy Moneytizing set up a blog around a viral meme put ads on it host it on a catchy domain e.g. funnyharlemshake.com earn ad revenue
19. FunnyHarlemShake
20. Lasting success start writing interesting articles a single topic (tech, life, …) become known as expert write more and get traction
21. Scoblizer
22. But this is not programming!
23. Building web apps Pick a framework Set up database Start coding
24. PHP is not alone HTML & CSS JavaScript HTTP (RFC-2616) SQL JSON, XML, CSV, …
25. PHP + HTML + CSS
26. Frameworks
27. Framework features ease of development structural architecture loosly coupled <> full stack DRY (don’t repeat yourself) NIH (not invented here) maintenance friendly extendable, modular and feature rich
28. PHP Frameworks
29. CMS Frameworks
30. E-commerce Frameworks
31. ERP/CRM Frameworks
32. Other Frameworks
33. Security
34. In the news
35. Protection Cross Site Scripting (XSS) SQL Injections Buffer Overflow Exploits Session Hijacking Human Error
36. http://xkcd.com/327/ Little Bobby Tables
37. Filter Input Escape Output
38. Basic Prevention Filtering and validating input Logging and monitoring behaviour Tokenize forms Expect all data to be tainted Don’t use globals
39. DATA IS TAINTED!
40. All DATA!
41. Performance
42. Boosting PHP apps scaling of PHP applications optimization of code using callback vs. foreach loop db optimization vs. normalization caching (code, components, pages, db, …) PHP Hip Hop
43. Web servers in load- balanced setup Back-end gets called only a few times Proxies block 90% of the web requests Internet
44. One billion monthly active users as of October 2012. Approximately 81% of our monthly active users are outside the U.S. and Canada. 584 million daily active users on average in September 2012. 604 million monthly active users who used Facebook mobile products as of September 30, 2012. Source: http:/ /newsroom.fb.com/Key-Facts
45. Higher Quality
46. Improving Quality Design Patterns Coding Standards Development Methodologies Version Control (SVN, Git, …) Documentation Unit Tests
47. Design Patterns A solution to common coding challenges Tried and tested solutions Specific “lingo” for developers Increase of readability of code
48. Coding Standards Increase readability of source code Consistent code usage for all developers Easier detection of flaws and security holes A must for corporate/enterprise developers
49. Dev Methodologies Agile - Scrum
50. Version Control Keeps track of development progress Merges changes on same codebase Multiple versions co-exists in the repository Enables release management Revert back to previous versions Backup of code base
51. Documentation For developers New team members Reference during development For end-users Usage guides
52. Testing Detects failures before they become an issue More tests is less debugging Increases quality Easier for refactoring and modifications Results in confident developers
53. Get Certified!
54. Certification bonus Become a professional Advance when searching for a job Get listed in Zend Yellow Pages Confirmation of skills
55. Career in PHP? NOW is the time!!! More jobs then available developers All industries Good salary and benefits Paid training, conference tickets and more
58. PHP Job market
59. Search for experts Everyone is searching for experts But they are hard to find
60. Make it as a junior Participate in open-source projects List ALL skills development, graphical, editorial math, science or other specialties List all tools you use List all interests and hobbies
61. Internship Get experience hands-on Often path to permanent contract Learn from experienced collegues
62. Summer job Limited time to experience But valuable for career experience Absorb as much as possible
63. When applying Custom CV or resume per position Emphasize required skills List non-required skills Always display public achievements
64. GitHub
65. Blog
66. Attribution Gwen Yudhira Account Manager Harvey Nash IT Consulting
67. PHP Community
68. Why community A very tight community To share knowledge Connect with other developers Help in times of need
69. PHP BENELUX http:/ /phpbenelux.eu | @phpbenelux
70. PHPBenelux Monthly meetings in Netherlands and Belgium Workshops, community events Annual Conference in Antwerp
71. “We bring PHP to the developers & stimulate knowledge sharing”
73. The future
74. Mobile devices
75. Smart TV’s
76. Interactive Cars
77. 1 thing in common
79. Plenty of work!
80. Conclusion
81. Summary High performant, scalable apps With increased quality and security Using existing tools & frameworks In a mixed tech environment With a guaranteed future
82. Creative Commons Credits decayed building: http:/ /www.flickr.com/photos/genista/4854012/ new residential: http:/ /www.flickr.com/photos/axiomestates/ 3138432028/ space station: http:/ /www.flickr.com/photos/29239795@N06/5825772547/ high voltage: http:/ /www.flickr.com/photos/ddebold/3919527208/ security: http:/ /www.flickr.com/photos/adulau/7712545428/ Performance: http:/ /www.flickr.com/photos/gowestphoto/3921760653/ quality: http:/ /www.flickr.com/photos/jurvetson/156830367/ phpbnl BBQ: http:/ /www.flickr.com/photos/felixdv/3883257119 teaching: http:/ /www.flickr.com/photos/joshholmes/6774698389/ finish: http:/ /www.flickr.com/photos/stevensnodgrass/3926023483/
83. Contact us PHPBenelux info@phpbenelux.eu www.phpbenelux.eu twitter.com/phpbenelux facebook.com/phpbenelux
84. Slides https:/ /speakerdeck.com/dragonbe/ professional-php
85. Thank you