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get_all_category_ids › WordPress Function

Since2.0.0
Deprecated4.0.0
› get_all_category_ids ( No parameters )
Links:
See:
Returns:
  • (int[]) List of all of the category IDs.
Defined at:
Codex:

Retrieves all category IDs.



Related Functions: get_the_category_list, get_all_page_ids, get_categories, get_category_link, get_the_category_by_id

Source 

function get_all_category_ids() {
	_deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );

	$cat_ids = get_terms(
		array(
			'taxonomy' => 'category',
			'fields'   => 'ids',
			'get'      => 'all',
		)
	);

	return $cat_ids;
}