Most efficient way to have 1 template for parent, 1 template for child categories?

Related Posts:

1. Different templates for parent and children categories/taxonomies
2. is_archive() content being shown instead of is_category()
3. Which php file lists all the post of a category
4. Categories overview that links to page displaying posts
5. What Must to Display the “mysite.com/category” URL?
6. Custom Archive Template for Multiple Categories
7. Use different file includes for single.php
8. Template files not working for archives and categories
9. How to make child categories recognize parent’s template displays
10. Different template for subcategories
11. Preventing index.php?category_name=something from redirecting
12. Make all subcategories use the template of its category parent?
13. Display only deepest category on a single post?
14. How do I set a specific template for sub-categories?
15. Exclude a category from the filed under list only on some templates
16. Create single.php for specific category by category id
17. Categories Template Assistance
18. How to override Category rendering mechanism
19. How to control template resolution if both Author and Category filter in place?
20. Apply custom category template to subcategories
21. Custom page for WooCommerce’s /product-category/
22. Code to pull in a PHP file named after the category ID
23. Exclude category from Tag Template
24. How to make a Thumbnails Mosaic
25. Are Category or Tag Archive Pages Possible?
26. Possible to make a subdirectory that loops through a single category?
27. Need Category RSS Feed that shows all posts
28. Display Categories, Sub-categories, and Sub-sub-categories on separate pages
29. WooCommerce IF statements not working
30. Set a them for all subset of category
31. Category-slug.php not being used
32. How to display only posts assigned to a particular, isolated, subcategory
33. Highlight wp_nav_menu when category is selected
34. Archive.php filtered by pre-determined category
35. one category template for multiple categories
36. Different templates for different category tags
37. How to show single category archive
38. The default code for “posts_nav_link” on category.php isn’t working
39. Only one post is showing on category page, why?
40. Updating category template to change how subcategories display
41. How can I get categories IDs if multiple categories requested via URI?
42. Category template to show different categories based on parent
43. Does “show_option_all” in wp_list_categories do anything?
44. How can I improve this taxonomy treating approach?
45. Sub category templates
46. Custom taxonomy template for categories
47. How to insert category list into post creation page, and retrieve chosen categories?
48. Limit number of posts on a custom category template – breaking pagination
49. How can I display the number of post associated to a category in Twig/Timber WordPress? [closed]
50. Is it possible to have a template that works on multiple categories where the link address contains the specific category?
51. Custom template for sub-sub-categories
52. Template hierarchy: how to let category.php conditionally-load archive.php?
53. How to use wp_list_categories with plugin category?
54. Using if statement in index.php instead of creating separate template files
55. Why is my sub-category template showing the wrong posts
56. Template for product-category page [closed]
57. Add Date & Author Meta to Category Archive Page
58. Display subcategories selectbox on each category page
59. Displaying year once in category.php [duplicate]
60. Category link redirect to custom template page instead of index.php?
61. I would like to feature a tip on the homepage
62. How to differentiate the homepage structure from the category page structure in WordPress template?
63. How can I include custom category and tag base in template files?
64. Different header for each category
65. Category Template – Show Last Entry as Featured
66. Custom post type archive category page results in 404
67. Include home page template in specific category template
68. Output Title of Post’s Current Category
69. Showing different posts on category pages
70. Displaying categories in different template problem
71. Include last post date in get_categories loop
72. How to list posts from a sub-category that is listed in a parent category (more details below)?
73. Category custom template is not showing correct posts
74. Adding a category view to a page
75. Using a template page parent breaks page
76. Different template for subcategories
77. the_content() not showing full posts in category template
78. Display Taxonomies in loop with template args
79. Choosing different templates for categories
80. Show posts from all categories
81. Getting page/category content to show up in my custom page template
82. Category Templates for Post Types not Working
83. One category not displaying template updates
84. WordPress a template for subcategories fo a given category, but not for root category
85. How do I get a single page navigation depending on the previous page?
86. Add 1 category more to If_in_category statement
87. Custom Fields to Category edit page, then displaying them in a template correctly
88. Category Template – to be editable from the backend?
89. 2 Categories using same template but one has a problem? [closed]
90. have_posts is empty on category.php
91. Why does my category page display “posted on…” when all I want it to do is display categories?
92. How to create a template for categories
93. How to load/include category templates based on conditionals?
94. Allow duplicate permalink slugs for posts in different categories
95. Show parent category in URL of subcategory archive page
96. Create a Category with a front-end post
97. Exclude category to “the_breadcrumb” functions
98. Woocommerce only display child category when parent is checked (on add new product page)
99. Show parent category wp_list_categories wordpress
100. Help Me “in_category” with echo? [closed]