Simple return callback generator

wp

/**
 * Simple return callback generator.
 *
 * Usage:
 * add_filter( 'filter_name', __return( 'Return value' ) );
 * add_shortcode( 'year', __return( date( 'Y' ) ) );
 *
 * @param mixed $return
 *
 * @return Closure
 */
function __return( $return = null )
{
 return static function () use ( $return ) {
  return $return;
 };
}

if ( defined( 'WP_ENV' ) && WP_ENV !== 'production' && ! is_admin() )
{
 add_filter( 'pre_option_blog_public', '__return_zero' );
}