cd.php

<?php
	/**
	 * Change a site's domain.
	 *
	 * ## OPTIONS
	 *
	 * --from=<from>
	 * : The current domain of the site being changed.
	 *
	 * --to=<date>
	 * : The domain that the site is being changed to.
	 *
	 * [--dry-run]
	 * : Whether this should be a dry run.
	 */
	public function change_domain( $args, $assoc_args ) {
		global $wpdb;

		if ( empty( $assoc_args['from'] ) || empty( $assoc_args['to'] ) ) {
			WP_CLI::error( "The 'from' and 'to' parameters are required." );
			return;
		}

		$from_domain = $assoc_args['from'];
		$to_domain   = $assoc_args['to'];

		$from_site = get_site_by_path( $from_domain );
		if ( ! $from_site ) {
			WP_CLI::error( sprintf( 'No site with the domain %s was found. Aborting.', $from_domain ) );
			return;
		}

		$to_site = get_site_by_path( $to_domain );
		if ( $to_site ) {
			WP_CLI::error( sprintf( 'An existing site was found with the domain %s. Aborting.', $to_domain ) );
		}

		// Blog-specific tables first.
		$_args = array( 'search-replace', $from_domain, $to_domain );

		$_assoc_args = array( 'skip-columns' => 'guid' );
		if ( isset( $assoc_args['dry-run'] ) ) {
			$_assoc_args['dry-run'] = 1;
		}

		$_assoc_args['all-tables-with-prefix'] = 1;
		$_assoc_args['url'] = $from_domain;
		//\WP_CLI::set_url( $from_domain );
		WP_CLI::run_command( $_args, $_assoc_args );
		die();
}