is_taxonomy( string $taxonomy )

This function has been deprecated. Use taxonomy_exists() instead.

Checks that the taxonomy name exists.

Description

See also

Parameters

$taxonomy

(string) (Required) Name of taxonomy object

Return

(bool) Whether the taxonomy exists.

Source

File: wp-includes/deprecated.php 

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

Uses

Uses Description
wp-includes/functions.php: _deprecated_function()

Mark a function as deprecated and inform when it has been used.
wp-includes/taxonomy.php: taxonomy_exists()

Determines whether the taxonomy name exists.

Changelog

Version Description
3.0.0 Use taxonomy_exists()
2.3.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_taxonomy