Formerly is_taxonomy(), introduced in 2.3.0. For more information on this and similar theme functions, check out the <a href="https://developer.wordpress.org/themes/basics/conditional-tags/">https://developer.wordpress.org/themes/basics/conditional-tags/</a> Conditional Tags article in the Theme Developer Handbook.
Signature, return type and hooks compared across 5 parsed releases.
About this page
Parsed data
Generated from the wordpress-develop 6.8.8 tag, from src/wp-includes/taxonomy.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
Something wrong on this page? Report it and it gets fixed in the next regeneration.