Looking for advice how to approach building a WordPress plug-in

Related Posts:

1. Rewriting a custom-post-type permalink with taxonomy term?
2. Remove custom post type slug from URL
3. Custom post type, no need for single view, plus want permalink rewrites that include hash in URI
4. Using /%postname% for a custom post type
5. Why would WordPress use ‘attachment’ in a custom post type’s query string?
6. Custom post type URL with post ID that allows archiving and paging
7. Changing the URL Structure of a Paginated Custom Post
8. Custom post type taxonomies URL rewrite
9. Enforcing canonical URLs with multiple custom post types
10. Permalinks so that one custom post type appears to be a child of another, not working
11. Create permalink structure for one taxonomy archive per custom post type
12. Custom permalinks
13. Issues when rewrite rules collide?
14. Custom post type permalink changing itself every other change
15. Custom post type’s get_permalink returns wrong url
16. Custom post type permalink structure with the category also acting as an archive
17. Prepend meta_value to permalink of post
18. How to create custom URLs for Custom Post Type sub sections?
19. Custom Permalinks for Custom Post Types and Taxonomies
20. Rewrite custom post type url’s adding meta box values
21. Custom Post Type Rewrite Rule for Author & Paging?
22. Removing parent slug from URL on custom post type
23. Multiple parameters in a custom post type url rewrite
24. URL rewrite and navigation structure for wordpress custom post type
25. How to properly prefix blog post URL’s
26. Custom post type category, taxonomy and URL rewrite problem
27. Rewrite on custom post type permalink not working?
28. Custom post-type in root directory, blog posts in subdirectory
29. Custom query variable – get wordpress to redirect to nice permalink url
30. how to get archive urls with same origin for custom types and terms?
31. Multisite with a single, shared custom post type, while retaining site URL
32. Share parent path between Custom Post Types and Pages?
33. multiple url slug for single custom post type
34. Pretty URLs for Custom Post Type & Custom Taxonomy with Duplicate Slugs on WPML
35. Rewrite URL for only archive page (custom post type)
36. Remove base slug in permalinks of hierarchical custom post type
37. Change custom post type slugs, with category/taxonomy before post type name
38. Rewrite rules for custom posts types
39. wp_list_categories() – current-cat class also inside posts?
40. Custom Post Types, URL rewrite on multiple CPTs
41. Adding custom post category slug in permalink causes 404 error for pages and posts
42. How can I use get_post_meta with add_rewrite_rule to build custom permalinks?
43. Index page with the same id as the slug
44. Custom post type as home page with custom url
45. How to rewrite url for any specific taxonomy?
46. Custom post URL 404 error
47. URL rewrite add author as base
48. Set a CPT slug as a base name for all the taxonomies
49. Custom taxonomy rewrite with query var returns %2F in URL
50. Remove slug in URL custom post type
51. cpt and page sharing same base permalink
52. URL rewriting for CTP assigned entity
53. CPT’s with landing page instead of archive – Url Rewrite?
54. Added Custom Post Type and the View Option Doesn’t Work
55. Permalink structure with custom taxonomies and custom post type like /parent-tax/child-tax/custom-post-type-name (with no base name)
56. Best way to specify “article type” in URL
57. How to have permalink like domain.com/term/postname?
58. post_type_link Filter – Too Few Arguments
59. WordPress rewrite url
60. url rewriting for custom post types
61. Post type Permalink
62. How to rewrite the post slug of a custom post type post
63. Custom post type URL
64. Add Custom Values to Permalinks Through Custom Fields and Posts
65. Archive page for custom post type and custom taxonomy
66. Why does my URL keep returning 404 error code?
67. Custom Post Type nest under a normal WordPress Page
68. Combine 2 different custom post slugs into a single permalink?
69. Use a different URL path / permalink for CPT
70. Setting Parent Page to Post
71. Add rewrite rule for custom post type single page
72. Custom taxonomy terms as children of multiple custom post types
73. Custom Post Type & Taxonomies – Rewrite
74. Remove custom permalink base from CPT custom category and custom tags
75. How to change URL for custom post type archive?
76. How to handle this wordpress custom post type rewrite problem?
77. Custom Post Type not using correct page template
78. Change CPT permalink to use the category
79. add_rewrite_rule wordpress ignoring url pattern, wp rewrite not working
80. Rewrite of Custom Post Type doesn’t work with dynamic data
81. Permalinks: custom post type -> custom taxonomy -> custom sub taxonomy -> post
82. Pretty Permalinks with CTP and Taxonomies / Hierarchical
83. add_rewrite_tag broke permalinks that doesn’t use that specific tag
84. How to use a custom post type as child of a particular post of another CPT?
85. Custom URL for Custom Post Type & Custom Taxonomy Term
86. Custom taxanomy and custom post type – pagination leads to 404
87. Flush rewrite rules when new cpt is registred
88. Custom post url in search.php isn’t the correct rewrited url
89. I have a custom taxonomy assigned to two post types. How do I create URLs for different term archives for each post type?
90. Custom WordPress URL
91. Customizing the custom post type permalink
92. URL Rewrite Adjustment for Custom Post Type causes template to revert to index.php
93. Rewrite Rule & Regex – Extract ‘cat-name’ and ‘page-number’ from http://domain.com/custom-post-type/category/cat-name/page/page-number
94. 2nd and 3rd Custom Post Type URL’s 404ing
95. Custom Post Type – Rewrite slug [duplicate]
96. Generate daily archive whenever any post type is added
97. Rewrite rules for using the same base slug for multiple content types
98. How to change custom post type slug without damage seo? [closed]
99. add_rewrite_rule not working in Custom Post Type UI Plugin
100. Menu Structure and URL structure, with Pages and Post-Type-Posts