category_exists( int|string $cat_name, int $category_parent = null ): string|null

Parameters

$cat_nameint|string

Category name.

$category_parentintoptional

ID of parent category.Default: null

Return

string|null

Returns the category ID as a numeric string if the pairing exists, null if not.

Uses · 1

• term_exists()Determines whether a taxonomy term exists.

Used by · 2

• wp_create_categories()Creates categories for the given post.
• wp_create_category()Adds a new category to the database if it does not already exist.

Source

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24function category_exists( $cat_name, $category_parent = null ) {25	$id = term_exists( $cat_name, 'category', $category_parent );26	if ( is_array( $id ) ) {27		$id = $id['term_id'];28	}29	return $id;30}

History

Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-admin/includes/taxonomy.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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