WP_Query Custom Post Type if Category ID Equals

Turns out what I needed is to use “in_category” NOT “is_category”.

Here is the solution:

<?php if (in_category(7)) {
    echo 'yes';
} else {
    echo 'no';  
} ?>

Related Posts:

  1. Custom Post By Category
  2. WP_Query by a category id and a custom post_type
  3. Exclude a category from WP_Query
  4. Load custom posts with same tag as page
  5. category__in not working on custom post type
  6. How to get a list of term names of the custom post type im currently on in single.php
  7. List with categories, subcategories and posts of custom posttype
  8. New WP_query in template not working with CPT+category on some pages
  9. WP Query group/order by category name
  10. Adding a span when custom post type is updated
  11. List all custom post type posts from a given category?
  12. Display Posts of a Category in Alphabetical Order (Custom Post Type)
  13. Query Custom Post by Category
  14. Loop through categories and create tab for each
  15. Display children and grandchildren of a custom post type
  16. Getting all custom posts with a certain category
  17. Query Custom Post Types & category_name?
  18. WP_Query search posts by custom post type and custom taxonomy
  19. Conditional to modify query results
  20. WP_Query is printing out only one post when posts_per_page is set to multiple
  21. WP Query to displaying date and posts for that date?
  22. Return array of categories to php function for current post
  23. Querying Term Posts in Loop
  24. Get Post Primary Category
  25. Weird problem happening with custom taxonmy when creating/updating posts
  26. Can’t get order_by meta_value_num to work properly
  27. Pagination on category page with custom post types
  28. Taxonomy Archive: Display only one post per term from separate custom taxonomy
  29. Very Slow Page – How to Optimize # of Queries?
  30. How to show CPTs in term archive
  31. showing custom post types of a certain category only
  32. Get posts from a custom post type by child categories of a parent category
  33. Linking to the most recent post in a Custom Post Type
  34. How to make sure content doesn’t display if selection is empty
  35. Get parent categories of custom post type
  36. Show custom post type filtered by category
  37. forming WP_Query for posts of all post types but from specific categories
  38. WP Query with categories only shows one post and ignores the category
  39. Why is my category template ignoring post type?
  40. Make a custom_post translatable
  41. Configuring a meta query with multiple post types that have the same relationship on a single page
  42. Redirect to another page using contact form 7? [closed]
  43. Category.php template for custom posts
  44. How can I group posts by months and years?
  45. Loop increase number
  46. Using wp_query to modify the loop in index.php for a CPT
  47. Custom post types and ‘new WP_Query’
  48. Assign category a default post type
  49. Is This Code Efficient – Or is there a better way?
  50. How to include category name/id in wp_query for retrieving “custom post type” from a particular category?
  51. Assigning a category to a custom post type in WordPress
  52. Different options per post type in WP_Query
  53. Show message when query has no posts
  54. Undefined $post in wp_query
  55. List categories, subcategories and posts from custom taxonomy and custom post type
  56. Custom post type and custom taxonomy 404 on page 2
  57. WP Query results showing posts outside of category ID
  58. List latest post out of 2 custom post types
  59. Using Wp_Query, Json to add Highcharts series data
  60. Create query for both custom post type and category
  61. Displaying One Custom Post Type’s Content On Single Post of Another Custom Post Type
  62. foreach loop inside the loop creating duplicates in output
  63. Foreach loop returning more than one item when querying taxonomy
  64. How to properly use Categories with Custom Post Types
  65. Show the categories the current post has
  66. What is the best way to set the post category (Custom Post Type) automatically based on the one of the tags assigned to the post?
  67. Custom front-end form for adding post – Category problem
  68. set object terms after some some time of published post – functions.php
  69. Alike Shortcode using in Custom Shortcode
  70. Query custom post type that has a serialized relational advanced custom field value
  71. Sort custom post column by generated value?
  72. How to output custom post type title on custom page with category next to it?
  73. WP_Query – How To Query Only Custom Posts With No Children of Their Own?
  74. In the php, how can I have a category of a custom post type display?
  75. Tell wordpress to show a single page instead of an archive page
  76. Search result based on URL
  77. Get meta values from parent post and save in child post
  78. Custom Taxonomy – fields
  79. Only show categories that have posts within custom post type
  80. CPT post doesnt shows tags and category on backend admin page
  81. WordPress loop add heading before first of type
  82. Only show current category post
  83. How to make a shortcode for my WP_Query Loop? [duplicate]
  84. Strange behavior on WP_query
  85. get_post_meta for Custom Post Type ( CPT )
  86. Loop carousel slider in wordpress
  87. How to call Shortcode categories for custom post types?
  88. category_name not working in WP_Query
  89. WordPress multi-query not returning as expected
  90. Trying to combine multiple WordPress queries
  91. Custom Post-type not returning the right child_of
  92. Stop header code from showing in category page?
  93. Pagination not working on homepage
  94. Query Custom Post Type by Tag
  95. Get all custom_post_type posts + blog posts from one category in a single query
  96. Using tax_query to get single post per category
  97. How to manage wordpress knowledge base/wiki/posts collections
  98. Add Category names to post lists of custom post type
  99. Is it possible to make is_category() recursive?
  100. Display all categories (with link) of custom post type – WordPress