Square Candy noindex Staging

squarecandy-noindex-staging.php

<?php
/*
Plugin Name: Square Candy noindex Staging
Description: A must-use plugin to add noindex to staging sites.
Author: squarecandy
Author URI: https://squarecandydesign.com
Version: 1.0
License: GPL2

SETUP INSTRUCTIONS:
1. Install this plugin in the mu-plugins directory.
2. Add the following to your wp-config.php file:
	define( 'WP_ENVIRONMENT_TYPE', 'staging' );
	or
	define( 'WP_ENVIRONMENT_TYPE', 'development' );
3. Use an incognito/private browser window and view source on the site. Confirm that the noindex meta tag is present.
*/

// if WP_ENVIRONMENT_TYPE is defined and set to 'development' or 'staging'
if ( defined( 'WP_ENVIRONMENT_TYPE' ) && ( 'development' === WP_ENVIRONMENT_TYPE || 'staging' === WP_ENVIRONMENT_TYPE ) ) :

	// enforce noindex/nofollow on staging/development sites
	add_filter( 'wp_robots', 'squarecandy_noindex_staging', PHP_INT_MAX ); // use PHP_INT_MAX to be extra sure we override all SEO plugins, etc.
	function squarecandy_noindex_staging( $robots ) {
		$robots             = array(); // clear any existing values
		$robots['noindex']  = true;
		$robots['nofollow'] = true;
		return $robots;
	}
endif;