taxonomy_exists( string $taxonomy )

Determines whether the taxonomy name exists.

Contents

Description Description

Formerly is_taxonomy(), introduced in 2.3.0.

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

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Parameters Parameters

$taxonomy

(string) (Required) Name of taxonomy object.

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Return Return

(bool) Whether the taxonomy exists.

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Source Source

File: wp-includes/taxonomy.php 

function taxonomy_exists( $taxonomy ) {
	global $wp_taxonomies;

	return isset( $wp_taxonomies[ $taxonomy ] );
}

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Changelog Changelog

Changelog
Version Description
3.0.0 Introduced.

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User Contributed Notes User Contributed Notes

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    Contributed by Codex —

    Basic Example

    $taxonomy_exist = taxonomy_exists( 'category' );
// Returns true

$taxonomy_exist = taxonomy_exists( 'post_tag' );
// Returns true

$taxonomy_exist = taxonomy_exists( 'link_category' );
// Returns true

$taxonomy_exist = taxonomy_exists( 'my_taxonomy' );
// Returns false if global $wp_taxonomies['my_taxonomy'] is not set

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