HTTP redirect

<?php
/*
Plugin Name: HTTP Redirect
Description: Redirect https to http on front end
Author: 10up
Version: 1.0
*/

add_action( 'parse_request', function() {
	if ( is_admin() ) {
		return;
	}

	if ( preg_match( '#wp-login\.php$#i', $_SERVER['REQUEST_URI'] ) ) {
		return;
	}

	if ( ! empty( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] === 'on' ) {
		wp_redirect(  'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'] );
		exit;
	}
} );