is_taxonomy() – Function | Developer.WordPress.org

is_taxonomy( string $taxonomy ): bool

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

Checks that the taxonomy name exists.

Description

bool Whether the taxonomy exists.

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

Uses	Description
taxonomy_exists()`wp-includes/taxonomy.php`	Determines whether the taxonomy name exists.
_deprecated_function()`wp-includes/functions.php`	Marks a function as deprecated and inform when it has been used.

Version	Description
3.0.0	Use taxonomy_exists()
2.3.0	Introduced.

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