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is_category › WordPress Function

Since1.5.0
Deprecatedn/a
› is_category ( $category = '' )
Parameters:
  • (int|string|int[]|string[]) $category Optional. Category ID, name, slug, or array of such to check against. Default empty.
    Required: No
    Default: (empty)
Returns:
  • (bool) Whether the query is for an existing category archive page.
Defined at:
Codex:

Determines whether the query is for an existing category archive page.

If the $category parameter is specified, this function will additionally check if the query is for one of the categories specified. For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.


Related Functions: in_category, has_category, get_category, the_category, wp_insert_category

Source 

function is_category( $category = '' ) {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_category( $category );
}