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function is not described

is_taxonomy() WP 2.3.0

Deprecated in 3.0.0. It is no longer supported and can be removed in future releases. Use taxonomy_exists() instead.

Checks that the taxonomy name exists.

  • See: taxonomy_exists()

No Hooks.


true/false. Whether the taxonomy exists.


is_taxonomy( $taxonomy );
$taxonomy(string) (required)
Name of taxonomy object

Code of is taxonomy: wp-includes/deprecated.php WP 5.2.2

function is_taxonomy( $taxonomy ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
	return taxonomy_exists( $taxonomy );