network_step2( false|WP_Error $errors = false )

412function network_step2( $errors = false ) {413	global $wpdb, $is_nginx;414 415	$hostname          = get_clean_basedomain();416	$slashed_home      = trailingslashit( get_option( 'home' ) );417	$base              = parse_url( $slashed_home, PHP_URL_PATH );418	$document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) );419	$abspath_fix       = str_replace( '\\', '/', ABSPATH );420	$home_path         = str_starts_with( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : get_home_path();421	$wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix );422	$rewrite_base      = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : '';423 424	$location_of_wp_config = $abspath_fix;425	if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) {426		$location_of_wp_config = dirname( $abspath_fix );427	}428	$location_of_wp_config = trailingslashit( $location_of_wp_config );429 430	// Wildcard DNS message.431	if ( is_wp_error( $errors ) ) {432		wp_admin_notice(433			$errors->get_error_message(),434			array(435				'additional_classes' => array( 'error' ),436			)437		);438	}439 440	if ( $_POST ) {441		if ( allow_subdomain_install() ) {442			$subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true;443		} else {444			$subdomain_install = false;445		}446	} else {447		if ( is_multisite() ) {448			$subdomain_install = is_subdomain_install();449			?>450	<p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p>451			<?php452		} else {453			$subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );454 455			wp_admin_notice(456				'<strong>' . __( 'Warning:' ) . '</strong> ' . __( 'An existing WordPress network was detected.' ),457				array(458					'additional_classes' => array( 'error' ),459				)460			);461			?>462	<p><?php _e( 'Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.' ); ?></p>463			<?php464		}465	}466 467	$subdir_match          = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?';468	$subdir_replacement_01 = $subdomain_install ? '' : '$1';469	$subdir_replacement_12 = $subdomain_install ? '$1' : '$2';470 471	if ( $_POST || ! is_multisite() ) {472		?>473		<h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>474		<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>475		<?php476		$notice_message = '<strong>' . __( 'Caution:' ) . '</strong> ';477		$notice_args    = array(478			'type'               => 'warning',479			'additional_classes' => array( 'inline' ),480		);481 482		if ( file_exists( $home_path . '.htaccess' ) ) {483			$notice_message .= sprintf(484				/* translators: 1: wp-config.php, 2: .htaccess */485				__( 'You should back up your existing %1$s and %2$s files.' ),486				'<code>wp-config.php</code>',487				'<code>.htaccess</code>'488			);489		} elseif ( file_exists( $home_path . 'web.config' ) ) {490			$notice_message .= sprintf(491				/* translators: 1: wp-config.php, 2: web.config */