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get_all_category_ids ›

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

Retrieves all category IDs.



Source

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

	if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
		$cat_ids = get_terms(
			array(
				'taxonomy' => 'category',
				'fields'   => 'ids',
				'get'      => 'all',
			)
		);
		wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
	}

	return $cat_ids;
}