taxonomy_exists( string $taxonomy )

Checks that the taxonomy name exists.


Description Description

Formerly is_taxonomy(), introduced in 2.3.0.


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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