Test - https://phpunit.de/
PSR1 & PSR2 (coding standards)
- http://cs.sensiolabs.org/ (local)
- https://styleci.io/ (remoto)
Quality checkpoints - https://insight.sensiolabs.com/
Security - https://security.sensiolabs.org/
Performance - https://blackfire.io/
http://www.phptherightway.com/
http://designpatternsphp.readthedocs.org/en/latest/
http://shop.oreilly.com/product/0636920033868.do
https://leanpub.com/grumpy-testing
https://leanpub.com/grumpy-phpunit
https://leanpub.com/ddd-in-php
https://leanpub.com/mlaphp
https://leanpub.com/sn1php
https://leanpub.com/phptherightway
https://leanpub.com/un-ano-con-symfony
https://leanpub.com/principles-of-package-design
http://securingphp.com/
http://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882/ref=pd_bxgy_14_img_y
http://www.amazon.com/The-Clean-Coder-Professional-Programmers/dp/0137081073
http://www.amazon.com/The-Pragmatic-Programmer-Journeyman-Master/dp/020161622X/ref=pd_sim_14_1?ie=UTF8&refRID=1N490XKBVEKHZRQGK7BR
http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612/ref=pd_sim_14_3?ie=UTF8&refRID=1N490XKBVEKHZRQGK7BR
http://www.amazon.com/Mythical-Man-Month-Software-Engineering-Anniversary/dp/0201835959/ref=sr_1_fkmr0_1?s=books&ie=UTF8&qid=1432402399&sr=1-1-fkmr0&keywords=mitical+month+man
http://www.amazon.com/Implementing-Domain-Driven-Design-Vaughn-Vernon/dp/0321834577