tional Tags} article in the Theme Developer Handbook. * * @since 3.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return bool Whether or not we have more than one author */ function is_multi_author() { global $wpdb; $is_multi_author = get_transient( 'is_multi_author' ); if ( false === $is_multi_author ) { $rows = (array) $wpdb->get_col( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2" ); $is_multi_author = 1 < count( $rows ) ? 1 : 0; set_transient( 'is_multi_author', $is_multi_author ); } /** * Filters whether the site has more than one author with published posts. * * @since 3.2.0 * * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. */ return apply_filters( 'is_multi_author', (bool) $is_multi_author ); } /** * Helper function to clear the cache for number of authors. * * @since 3.2.0 * @access private */ function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore delete_transient( 'is_multi_author' ); }