This construct (function) checks if the given post type is hierarchical. This argument is set when the post type is first configured and registered with WordPress Core.
- The post type’s key (slug) to specify which post type is being checked.
If the post type exists, then it returns the value of
hierarchical, which is a boolean. Else,
false is returned.
You will grow in this profession when you incrementally and systematically stretch yourself....bit-by-bit.
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