category_exists( int|string $cat_name, int $parent = null )

Check whether a category exists.

Description

See also

Parameters

$cat_name

(int|string) (Required) Category name.

$parent

(int) (Optional) ID of parent term.

Default value: null

Return

(mixed)

Source

File: wp-admin/includes/taxonomy.php 

function category_exists( $cat_name, $parent = null ) {
	$id = term_exists($cat_name, 'category', $parent);
	if ( is_array($id) )
		$id = $id['term_id'];
	return $id;
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/taxonomy.php: term_exists()

Check if Term exists.

Used By

Used By
Used By Description
wp-admin/includes/taxonomy.php: wp_create_category()

Add a new category to the database if it does not already exist.
wp-admin/includes/taxonomy.php: wp_create_categories()

Create categories for the given post.

Changelog

Changelog
Version Description
WP-2.0.0 Introduced.