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Why every developer should read Plato
- 1. Why every developer should read Plato
- 3. 26%
- 4. What makes WordPress a superhero?
- 5. WordPress makes users awesome! Source: useronboard.com
- 6. What makes WordPress a superhero?
- 7. How does WordPress turn users into superheroes?
- 8. We can build almost anything using WordPress
- 10. You can write a WordPress plugin with 0 lines of code.
- 11. What makes WordPress so easy to plugin to?
- 14. A filter is a function
- 15. A filter is a function
- 16. Timing The plugins are loaded WordPress is initialised The head is rendered The content is rendered After After do_action(‘plugins_loaded’) do_action(‘init’) do_action(‘wp_head’) apply_filters(‘the content’) Before Before
- 18. What should we use filters for?
- 19. “As a site owner, I want Yoast SEO to use the excerpt as a meta description.” Usecase
- 20. “As a custom fields plugin builder, I want Yoast SEO to use a custom field as a meta description.” Usecase
- 21. “As a {ROLE}, I want Yoast SEO to use {FIELD} as a meta description.” Usecase
- 22. How does this translate to WordPress?
- 23. “As a {ROLE}, I want to be able to filter the meta description that Yoast SEO outputs.” Usecase
- 24. Example Example
- 25. What is a meta description?
- 27. Filter the data
- 30. Data types String -> “hello” Integer -> 123 Array -> [$a, $b, $c] etc. What is data?
- 31. Is “<html><body>Hello world</body></html>” a string?
- 32. V = f( M )
- 33. View = function( Model )
- 34. Filter data, not representation
- 35. Filter the data
- 37. Can I safely filter data?
- 39. Notice: Array to string conversion…
- 41. Never trust filtered data Because #YOLO
- 42. Hey! But wasn’t this supposed to be easy?
- 43. And what does this have to do with Plato?
- 44. - Maieutike - Irony - Anamnesis
- 45. 26%
- 46. What makes WordPress a superhero?
- 47. WordPress makes users awesome! Source: useronboard.com
- 48. What makes WordPress a superhero?
- 49. How does WordPress turn users into superheroes?
- 50. We can build almost anything using WordPress
- 51. 47,260 plugins
- 52. You can write a WordPress plugin with 0 lines of code.
- 53. What makes WordPress so easy to plugin to?
- 56. A filter is a function What is a filter?
- 57. A filter is a function
- 58. Timing The plugins are loaded WordPress is initialised The head is rendered The content is rendered After After do_action(‘plugins_loaded’) do_action(‘init’) do_action(‘wp_head’) apply_filters(‘the content’) Before Before
- 60. What should we use filters for?
- 61. “As a site owner, I want Yoast SEO to use the excerpt as a meta description.” Usecase
- 62. “As a custom fields plugin builder, I want Yoast SEO to use a custom field as a meta description.” Usecase
- 63. “As a {ROLE}, I want Yoast SEO to use {FIELD} as a meta description.” Usecase
- 64. How does this translate to WordPress?
- 65. “As a {ROLE}, I want to be able to filter the meta description that Yoast SEO outputs.” Usecase
- 66. Example Example
- 67. What is a meta description?
- 69. Filter the data
- 72. Data types String -> “hello” Integer -> 123 Array -> [$a, $b, $c] etc. What is data?
- 73. Is “<html><body>Hello world</body></html>” a string?
- 74. V = f( M )
- 75. View = function( Model )
- 76. Filter data, not representation
- 77. Filter the data
- 79. Can I safely filter data?
- 81. Notice: Array to string conversion…
- 83. Never trust filtered data Because #YOLO
- 84. But wasn’t this supposed to be easy?
- 85. Issues with filters In WordPress it’s hard to distinguish representation from raw data, because of reasons. In WordPress it’s not possible to trust filtered data, because of reasons. In WordPress it’s not possible to know when a filter was applied, because of reasons. Conclusion
- 86. And what does this have to do with Plato?
- 87. Why every developer should read Plato Plato working on his art To learn about Socrates To learn about Plato To practice inquiry