[Solved] What does the hierarchical argument control when registering a custom taxonomy in WordPress? — Ans: Whether the taxonomy behaves like categories (true) or tags (false) | Wordpress

Wordpress - Custom Post Types and Taxonomies

What does the hierarchical argument control when registering a custom taxonomy in WordPress?

AThe number of terms allowed in the taxonomy

BWhether the taxonomy behaves like categories (true) or tags (false)

CThe visibility of the taxonomy in the admin menu

DThe default sorting order of taxonomy terms

Step-by-Step Solution

Solution:

Step 1: Understand the hierarchical argument
This argument defines if the taxonomy acts like categories (which can have parent-child relationships) or tags (which are flat).
Step 2: Match behavior to argument value
If hierarchical is true, taxonomy behaves like categories; if false, like tags.
Final Answer:
Whether the taxonomy behaves like categories (true) or tags (false) -> Option B
Quick Check:
hierarchical argument = taxonomy behavior type [OK]

Quick Trick: Hierarchical true means category style, false means tag style [OK]

Common Mistakes:

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What does the hierarchical argument control when registering a custom taxonomy in WordPress?