Standardize on HTTPS for all Pantheon Environments

wp-config.php

<?php

/**
 * Require HTTPS across all Pantheon environments.
 * Does not run during wp-cli requests.
 *
 * This will redirect all pantheon environments redirect to https.
 *
 * @link https://pantheon.io/docs/redirects/#redirect-to-https
 */
if ( isset($_SERVER['PANTHEON_ENVIRONMENT'] ) && ( $_SERVER['HTTPS'] === 'OFF' ) && ( php_sapi_name() != "cli") ) {
	
	if ( ! isset($_SERVER['HTTP_USER_AGENT_HTTPS'] ) || ( isset($_SERVER['HTTP_USER_AGENT_HTTPS'] ) && $_SERVER['HTTP_USER_AGENT_HTTPS'] !== 'ON') ) {

		
    	# Name transaction "redirect" in New Relic for improved reporting (optional)
    	if ( extension_loaded('newrelic') ) {
      		newrelic_name_transaction("redirect");
    	}
		
		header( 'HTTP/1.0 301 Moved Permanently' );
    	header( 'Location: https://'. $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
    	exit();
	
	}
	
}