<form method="POST">
    <h3>Editing: install.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php
/**
 * WordPress Installer
 *
 * @package WordPress
 * @subpackage Administration
 */

// Confidence check.
if ( false ) {
	?&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
	&lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot; /&gt;
	&lt;title&gt;Error: PHP is not running&lt;/title&gt;
&lt;/head&gt;
&lt;body class=&quot;wp-core-ui&quot;&gt;
	&lt;p id=&quot;logo&quot;&gt;&lt;a href=&quot;https://wordpress.org/&quot;&gt;WordPress&lt;/a&gt;&lt;/p&gt;
	&lt;h1&gt;Error: PHP is not running&lt;/h1&gt;
	&lt;p&gt;WordPress requires that your web server is running PHP. Your server does not have PHP installed, or PHP is turned off.&lt;/p&gt;
&lt;/body&gt;
&lt;/html&gt;
	&lt;?php
}

/**
 * We are installing WordPress.
 *
 * @since 1.5.1
 * @var bool
 */
define( 'WP_INSTALLING', true );

/** Load WordPress Bootstrap */
require_once dirname( __DIR__ ) . '/wp-load.php';

/** Load WordPress Administration Upgrade API */
require_once ABSPATH . 'wp-admin/includes/upgrade.php';

/** Load WordPress Translation Install API */
require_once ABSPATH . 'wp-admin/includes/translation-install.php';

/** Load wpdb */
require_once ABSPATH . WPINC . '/class-wpdb.php';

nocache_headers();

$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;

/**
 * Display installation header.
 *
 * @since 2.5.0
 *
 * @param string $body_classes
 */
function display_header( $body_classes = '' ) {
	header( 'Content-Type: text/html; charset=utf-8' );
	if ( is_rtl() ) {
		$body_classes .= 'rtl';
	}
	if ( $body_classes ) {
		$body_classes = ' ' . $body_classes;
	}
	?&gt;
&lt;!DOCTYPE html&gt;
&lt;html &lt;?php language_attributes(); ?&gt;&gt;
&lt;head&gt;
	&lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; /&gt;
	&lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot; /&gt;
	&lt;meta name=&quot;robots&quot; content=&quot;noindex,nofollow&quot; /&gt;
	&lt;title&gt;&lt;?php _e( 'WordPress &amp;rsaquo; Installation' ); ?&gt;&lt;/title&gt;
	&lt;?php wp_admin_css( 'install', true ); ?&gt;
&lt;/head&gt;
&lt;body class=&quot;wp-core-ui&lt;?php echo $body_classes; ?&gt;&quot;&gt;
&lt;p id=&quot;logo&quot;&gt;&lt;?php _e( 'WordPress' ); ?&gt;&lt;/p&gt;

	&lt;?php
} // End display_header().

/**
 * Displays installer setup form.
 *
 * @since 2.8.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string|null $error
 */
function display_setup_form( $error = null ) {
	global $wpdb;

	$user_table = ( $wpdb-&gt;get_var( $wpdb-&gt;prepare( 'SHOW TABLES LIKE %s', $wpdb-&gt;esc_like( $wpdb-&gt;users ) ) ) !== null );

	// Ensure that sites appear in search engines by default.
	$blog_public = 1;
	if ( isset( $_POST['weblog_title'] ) ) {
		$blog_public = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : $blog_public;
	}

	$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
	$user_name    = isset( $_POST['user_name'] ) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
	$admin_email  = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';

	if ( ! is_null( $error ) ) {
		?&gt;
&lt;h1&gt;&lt;?php _ex( 'Welcome', 'Howdy' ); ?&gt;&lt;/h1&gt;
&lt;p class=&quot;message&quot;&gt;&lt;?php echo $error; ?&gt;&lt;/p&gt;
&lt;?php } ?&gt;
&lt;form id=&quot;setup&quot; method=&quot;post&quot; action=&quot;install.php?step=2&quot; novalidate=&quot;novalidate&quot;&gt;
	&lt;table class=&quot;form-table&quot; role=&quot;presentation&quot;&gt;
		&lt;tr&gt;
			&lt;th scope=&quot;row&quot;&gt;&lt;label for=&quot;weblog_title&quot;&gt;&lt;?php _e( 'Site Title' ); ?&gt;&lt;/label&gt;&lt;/th&gt;
			&lt;td&gt;&lt;input name=&quot;weblog_title&quot; type=&quot;text&quot; id=&quot;weblog_title&quot; size=&quot;25&quot; value=&quot;&lt;?php echo esc_attr( $weblog_title ); ?&gt;&quot; /&gt;&lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;th scope=&quot;row&quot;&gt;&lt;label for=&quot;user_login&quot;&gt;&lt;?php _e( 'Username' ); ?&gt;&lt;/label&gt;&lt;/th&gt;
			&lt;td&gt;
			&lt;?php
			if ( $user_table ) {
				_e( 'User(s) already exists.' );
				echo '&lt;input name=&quot;user_name&quot; type=&quot;hidden&quot; value=&quot;admin&quot; /&gt;';
			} else {
				?&gt;
				&lt;input name=&quot;user_name&quot; type=&quot;text&quot; id=&quot;user_login&quot; size=&quot;25&quot; aria-describedby=&quot;user-name-desc&quot; value=&quot;&lt;?php echo esc_attr( sanitize_user( $user_name, true ) ); ?&gt;&quot; /&gt;
				&lt;p id=&quot;user-name-desc&quot;&gt;&lt;?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?&gt;&lt;/p&gt;
				&lt;?php
			}
			?&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
		&lt;?php if ( ! $user_table ) : ?&gt;
		&lt;tr class=&quot;form-field form-required user-pass1-wrap&quot;&gt;
			&lt;th scope=&quot;row&quot;&gt;
				&lt;label for=&quot;pass1&quot;&gt;
					&lt;?php _e( 'Password' ); ?&gt;
				&lt;/label&gt;
			&lt;/th&gt;
			&lt;td&gt;
				&lt;div class=&quot;wp-pwd&quot;&gt;
					&lt;?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?&gt;
					&lt;div class=&quot;password-input-wrapper&quot;&gt;
						&lt;input type=&quot;password&quot; name=&quot;admin_password&quot; id=&quot;pass1&quot; class=&quot;regular-text&quot; autocomplete=&quot;new-password&quot; spellcheck=&quot;false&quot; data-reveal=&quot;1&quot; data-pw=&quot;&lt;?php echo esc_attr( $initial_password ); ?&gt;&quot; aria-describedby=&quot;pass-strength-result admin-password-desc&quot; /&gt;
						&lt;div id=&quot;pass-strength-result&quot; aria-live=&quot;polite&quot;&gt;&lt;/div&gt;
					&lt;/div&gt;
					&lt;button type=&quot;button&quot; class=&quot;button wp-hide-pw hide-if-no-js&quot; data-start-masked=&quot;&lt;?php echo (int) isset( $_POST['admin_password'] ); ?&gt;&quot; data-toggle=&quot;0&quot; aria-label=&quot;&lt;?php esc_attr_e( 'Hide password' ); ?&gt;&quot;&gt;
						&lt;span class=&quot;dashicons dashicons-hidden&quot;&gt;&lt;/span&gt;
						&lt;span class=&quot;text&quot;&gt;&lt;?php _e( 'Hide' ); ?&gt;&lt;/span&gt;
					&lt;/button&gt;
				&lt;/div&gt;
				&lt;p id=&quot;admin-password-desc&quot;&gt;&lt;span class=&quot;description important hide-if-no-js&quot;&gt;
				&lt;strong&gt;&lt;?php _e( 'Important:' ); ?&gt;&lt;/strong&gt;
				&lt;?php /* translators: The non-breaking space prevents 1Password from thinking the text &quot;log in&quot; should trigger a password save prompt. */ ?&gt;
				&lt;?php _e( 'You will need this password to log&amp;nbsp;in. Please store it in a secure location.' ); ?&gt;&lt;/span&gt;&lt;/p&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr class=&quot;form-field form-required user-pass2-wrap hide-if-js&quot;&gt;
			&lt;th scope=&quot;row&quot;&gt;
				&lt;label for=&quot;pass2&quot;&gt;&lt;?php _e( 'Repeat Password' ); ?&gt;
					&lt;span class=&quot;description&quot;&gt;&lt;?php _e( '(required)' ); ?&gt;&lt;/span&gt;
				&lt;/label&gt;
			&lt;/th&gt;
			&lt;td&gt;
				&lt;input type=&quot;password&quot; name=&quot;admin_password2&quot; id=&quot;pass2&quot; autocomplete=&quot;new-password&quot; spellcheck=&quot;false&quot; /&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr class=&quot;pw-weak&quot;&gt;
			&lt;th scope=&quot;row&quot;&gt;&lt;?php _e( 'Confirm Password' ); ?&gt;&lt;/th&gt;
			&lt;td&gt;
				&lt;label&gt;
					&lt;input type=&quot;checkbox&quot; name=&quot;pw_weak&quot; class=&quot;pw-checkbox&quot; /&gt;
					&lt;?php _e( 'Confirm use of weak password' ); ?&gt;
				&lt;/label&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
		&lt;?php endif; ?&gt;
		&lt;tr&gt;
			&lt;th scope=&quot;row&quot;&gt;&lt;label for=&quot;admin_email&quot;&gt;&lt;?php _e( 'Your Email' ); ?&gt;&lt;/label&gt;&lt;/th&gt;
			&lt;td&gt;&lt;input name=&quot;admin_email&quot; type=&quot;email&quot; id=&quot;admin_email&quot; size=&quot;25&quot; aria-describedby=&quot;admin-email-desc&quot; value=&quot;&lt;?php echo esc_attr( $admin_email ); ?&gt;&quot; /&gt;
			&lt;p id=&quot;admin-email-desc&quot;&gt;&lt;?php _e( 'Double-check your email address before continuing.' ); ?&gt;&lt;/p&gt;&lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;th scope=&quot;row&quot;&gt;&lt;?php has_action( 'blog_privacy_selector' ) ? _e( 'Site visibility' ) : _e( 'Search engine visibility' ); ?&gt;&lt;/th&gt;
			&lt;td&gt;
				&lt;fieldset&gt;
					&lt;legend class=&quot;screen-reader-text&quot;&gt;&lt;span&gt;
						&lt;?php
						has_action( 'blog_privacy_selector' )
							/* translators: Hidden accessibility text. */
							? _e( 'Site visibility' )
							/* translators: Hidden accessibility text. */
							: _e( 'Search engine visibility' );
						?&gt;
					&lt;/span&gt;&lt;/legend&gt;
					&lt;?php
					if ( has_action( 'blog_privacy_selector' ) ) {
						?&gt;
						&lt;input id=&quot;blog-public&quot; type=&quot;radio&quot; name=&quot;blog_public&quot; value=&quot;1&quot; &lt;?php checked( 1, $blog_public ); ?&gt; /&gt;
						&lt;label for=&quot;blog-public&quot;&gt;&lt;?php _e( 'Allow search engines to index this site' ); ?&gt;&lt;/label&gt;&lt;br /&gt;
						&lt;input id=&quot;blog-norobots&quot; type=&quot;radio&quot; name=&quot;blog_public&quot;  aria-describedby=&quot;public-desc&quot; value=&quot;0&quot; &lt;?php checked( 0, $blog_public ); ?&gt; /&gt;
						&lt;label for=&quot;blog-norobots&quot;&gt;&lt;?php _e( 'Discourage search engines from indexing this site' ); ?&gt;&lt;/label&gt;
						&lt;p id=&quot;public-desc&quot; class=&quot;description&quot;&gt;&lt;?php _e( 'Note: Discouraging search engines does not block access to your site &amp;mdash; it is up to search engines to honor your request.' ); ?&gt;&lt;/p&gt;
						&lt;?php
						/** This action is documented in wp-admin/options-reading.php */
						do_action( 'blog_privacy_selector' );
					} else {
						?&gt;
						&lt;label for=&quot;blog_public&quot;&gt;&lt;input name=&quot;blog_public&quot; type=&quot;checkbox&quot; id=&quot;blog_public&quot; aria-describedby=&quot;privacy-desc&quot; value=&quot;0&quot; &lt;?php checked( 0, $blog_public ); ?&gt; /&gt;
						&lt;?php _e( 'Discourage search engines from indexing this site' ); ?&gt;&lt;/label&gt;
						&lt;p id=&quot;privacy-desc&quot; class=&quot;description&quot;&gt;&lt;?php _e( 'It is up to search engines to honor this request.' ); ?&gt;&lt;/p&gt;
					&lt;?php } ?&gt;
				&lt;/fieldset&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
	&lt;/table&gt;
	&lt;p class=&quot;step&quot;&gt;&lt;?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' =&gt; 'submit' ) ); ?&gt;&lt;/p&gt;
	&lt;input type=&quot;hidden&quot; name=&quot;language&quot; value=&quot;&lt;?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?&gt;&quot; /&gt;
&lt;/form&gt;
	&lt;?php
} // End display_setup_form().

// Let's check to make sure WP isn't already installed.
if ( is_blog_installed() ) {
	display_header();
	die(
		'&lt;h1&gt;' . __( 'Already Installed' ) . '&lt;/h1&gt;' .
		'&lt;p&gt;' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '&lt;/p&gt;' .
		'&lt;p class=&quot;step&quot;&gt;&lt;a href=&quot;' . esc_url( wp_login_url() ) . '&quot;&gt;' . __( 'Log In' ) . '&lt;/a&gt;&lt;/p&gt;' .
		'&lt;/body&gt;&lt;/html&gt;'
	);
}

/**
 * @global string   $wp_version              The WordPress version string.
 * @global string   $required_php_version    The required PHP version string.
 * @global string[] $required_php_extensions The names of required PHP extensions.
 * @global string   $required_mysql_version  The required MySQL version string.
 * @global wpdb     $wpdb                    WordPress database abstraction object.
 */
global $wp_version, $required_php_version, $required_php_extensions, $required_mysql_version, $wpdb;

$php_version   = PHP_VERSION;
$mysql_version = $wpdb-&gt;db_version();
$php_compat    = version_compare( $php_version, $required_php_version, '&gt;=' );
$mysql_compat  = version_compare( $mysql_version, $required_mysql_version, '&gt;=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );

$version_url = sprintf(
	/* translators: %s: WordPress version. */
	esc_url( __( 'https://wordpress.org/documentation/wordpress-version/version-%s/' ) ),
	sanitize_title( $wp_version )
);

$php_update_message = '&lt;/p&gt;&lt;p&gt;' . sprintf(
	/* translators: %s: URL to Update PHP page. */
	__( '&lt;a href=&quot;%s&quot;&gt;Learn more about updating PHP&lt;/a&gt;.' ),
	esc_url( wp_get_update_php_url() )
);

$annotation = wp_get_update_php_annotation();

if ( $annotation ) {
	$php_update_message .= '&lt;/p&gt;&lt;p&gt;&lt;em&gt;' . $annotation . '&lt;/em&gt;';
}

if ( ! $mysql_compat &amp;&amp; ! $php_compat ) {
	$compat = sprintf(
		/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
		__( 'You cannot install because &lt;a href=&quot;%1$s&quot;&gt;WordPress %2$s&lt;/a&gt; requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),
		$version_url,
		$wp_version,
		$required_php_version,
		$required_mysql_version,
		$php_version,
		$mysql_version
	) . $php_update_message;
} elseif ( ! $php_compat ) {
	$compat = sprintf(
		/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
		__( 'You cannot install because &lt;a href=&quot;%1$s&quot;&gt;WordPress %2$s&lt;/a&gt; requires PHP version %3$s or higher. You are running version %4$s.' ),
		$version_url,
		$wp_version,
		$required_php_version,
		$php_version
	) . $php_update_message;
} elseif ( ! $mysql_compat ) {
	$compat = sprintf(
		/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
		__( 'You cannot install because &lt;a href=&quot;%1$s&quot;&gt;WordPress %2$s&lt;/a&gt; requires MySQL version %3$s or higher. You are running version %4$s.' ),
		$version_url,
		$wp_version,
		$required_mysql_version,
		$mysql_version
	);
}

if ( ! $mysql_compat || ! $php_compat ) {
	display_header();
	die( '&lt;h1&gt;' . __( 'Requirements Not Met' ) . '&lt;/h1&gt;&lt;p&gt;' . $compat . '&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;' );
}

if ( isset( $required_php_extensions ) &amp;&amp; is_array( $required_php_extensions ) ) {
	$missing_extensions = array();

	foreach ( $required_php_extensions as $extension ) {
		if ( extension_loaded( $extension ) ) {
			continue;
		}

		$missing_extensions[] = sprintf(
			/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: The PHP extension name needed. */
			__( 'You cannot install because &lt;a href=&quot;%1$s&quot;&gt;WordPress %2$s&lt;/a&gt; requires the %3$s PHP extension.' ),
			$version_url,
			$wp_version,
			$extension
		);
	}

	if ( count( $missing_extensions ) &gt; 0 ) {
		display_header();
		die( '&lt;h1&gt;' . __( 'Requirements Not Met' ) . '&lt;/h1&gt;&lt;p&gt;' . implode( '&lt;/p&gt;&lt;p&gt;', $missing_extensions ) . '&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;' );
	}
}

if ( ! is_string( $wpdb-&gt;base_prefix ) || '' === $wpdb-&gt;base_prefix ) {
	display_header();
	die(
		'&lt;h1&gt;' . __( 'Configuration Error' ) . '&lt;/h1&gt;' .
		'&lt;p&gt;' . sprintf(
			/* translators: %s: wp-config.php */
			__( 'Your %s file has an empty database table prefix, which is not supported.' ),
			'&lt;code&gt;wp-config.php&lt;/code&gt;'
		) . '&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;'
	);
}

// Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
	display_header();
	die(
		'&lt;h1&gt;' . __( 'Configuration Error' ) . '&lt;/h1&gt;' .
		'&lt;p&gt;' . sprintf(
			/* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
			__( 'The constant %s cannot be defined when installing WordPress.' ),
			'&lt;code&gt;DO_NOT_UPGRADE_GLOBAL_TABLES&lt;/code&gt;'
		) . '&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;'
	);
}

/**
 * @global string    $wp_local_package Locale code of the package.
 * @global WP_Locale $wp_locale        WordPress date and time locale object.
 */
$language = '';
if ( ! empty( $_REQUEST['language'] ) ) {
	$language = sanitize_locale_name( $_REQUEST['language'] );
} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
	$language = $GLOBALS['wp_local_package'];
}

$scripts_to_print = array( 'jquery' );

switch ( $step ) {
	case 0: // Step 0.
		if ( wp_can_install_language_pack() &amp;&amp; empty( $language ) ) {
			$languages = wp_get_available_translations();
			if ( $languages ) {
				$scripts_to_print[] = 'language-chooser';
				display_header( 'language-chooser' );
				echo '&lt;form id=&quot;setup&quot; method=&quot;post&quot; action=&quot;?step=1&quot;&gt;';
				wp_install_language_form( $languages );
				echo '&lt;/form&gt;';
				break;
			}
		}

		// Deliberately fall through if we can't reach the translations API.

	case 1: // Step 1, direct link or from language chooser.
		if ( ! empty( $language ) ) {
			$loaded_language = wp_download_language_pack( $language );
			if ( $loaded_language ) {
				load_default_textdomain( $loaded_language );
				$GLOBALS['wp_locale'] = new WP_Locale();
			}
		}

		$scripts_to_print[] = 'user-profile';

		display_header();
		?&gt;
&lt;h1&gt;&lt;?php _ex( 'Welcome', 'Howdy' ); ?&gt;&lt;/h1&gt;
&lt;p&gt;&lt;?php _e( 'Welcome to the famous five-minute WordPress installation process! Just fill in the information below and you&amp;#8217;ll be on your way to using the most extendable and powerful personal publishing platform in the world.' ); ?&gt;&lt;/p&gt;

&lt;h2&gt;&lt;?php _e( 'Information needed' ); ?&gt;&lt;/h2&gt;
&lt;p&gt;&lt;?php _e( 'Please provide the following information. Do not worry, you can always change these settings later.' ); ?&gt;&lt;/p&gt;

		&lt;?php
		display_setup_form();
		break;
	case 2:
		if ( ! empty( $language ) &amp;&amp; load_default_textdomain( $language ) ) {
			$loaded_language      = $language;
			$GLOBALS['wp_locale'] = new WP_Locale();
		} else {
			$loaded_language = 'en_US';
		}

		if ( ! empty( $wpdb-&gt;error ) ) {
			wp_die( $wpdb-&gt;error-&gt;get_error_message() );
		}

		$scripts_to_print[] = 'user-profile';

		display_header();
		// Fill in the data we gathered.
		$weblog_title         = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
		$user_name            = isset( $_POST['user_name'] ) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
		$admin_password       = isset( $_POST['admin_password'] ) ? wp_unslash( $_POST['admin_password'] ) : '';
		$admin_password_check = isset( $_POST['admin_password2'] ) ? wp_unslash( $_POST['admin_password2'] ) : '';
		$admin_email          = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
		$public               = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 1;

		// Check email address.
		$error = false;
		if ( empty( $user_name ) ) {
			// TODO: Poka-yoke.
			display_setup_form( __( 'Please provide a valid username.' ) );
			$error = true;
		} elseif ( sanitize_user( $user_name, true ) !== $user_name ) {
			display_setup_form( __( 'The username you provided has invalid characters.' ) );
			$error = true;
		} elseif ( $admin_password !== $admin_password_check ) {
			// TODO: Poka-yoke.
			display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
			$error = true;
		} elseif ( empty( $admin_email ) ) {
			// TODO: Poka-yoke.
			display_setup_form( __( 'You must provide an email address.' ) );
			$error = true;
		} elseif ( ! is_email( $admin_email ) ) {
			// TODO: Poka-yoke.
			display_setup_form( __( 'Sorry, that is not a valid email address. Email addresses look like &lt;code&gt;username@example.com&lt;/code&gt;.' ) );
			$error = true;
		}

		if ( false === $error ) {
			$wpdb-&gt;show_errors();
			$result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
			?&gt;

&lt;h1&gt;&lt;?php _e( 'Success!' ); ?&gt;&lt;/h1&gt;

&lt;p&gt;&lt;?php _e( 'WordPress has been installed. Thank you, and enjoy!' ); ?&gt;&lt;/p&gt;

&lt;table class=&quot;form-table install-success&quot;&gt;
	&lt;tr&gt;
		&lt;th&gt;&lt;?php _e( 'Username' ); ?&gt;&lt;/th&gt;
		&lt;td&gt;&lt;?php echo esc_html( sanitize_user( $user_name, true ) ); ?&gt;&lt;/td&gt;
	&lt;/tr&gt;
	&lt;tr&gt;
		&lt;th&gt;&lt;?php _e( 'Password' ); ?&gt;&lt;/th&gt;
		&lt;td&gt;
			&lt;?php if ( ! empty( $result['password'] ) &amp;&amp; empty( $admin_password_check ) ) : ?&gt;
				&lt;code&gt;&lt;?php echo esc_html( $result['password'] ); ?&gt;&lt;/code&gt;&lt;br /&gt;
			&lt;?php endif; ?&gt;
			&lt;p&gt;&lt;?php echo $result['password_message']; ?&gt;&lt;/p&gt;
		&lt;/td&gt;
	&lt;/tr&gt;
&lt;/table&gt;

&lt;p class=&quot;step&quot;&gt;&lt;a href=&quot;&lt;?php echo esc_url( wp_login_url() ); ?&gt;&quot;&gt;&lt;?php _e( 'Log In' ); ?&gt;&lt;/a&gt;&lt;/p&gt;

			&lt;?php
		}
		break;
}

if ( ! wp_is_mobile() ) {
	?&gt;
&lt;script type=&quot;text/javascript&quot;&gt;var t = document.getElementById('weblog_title'); if (t){ t.focus(); }&lt;/script&gt;
	&lt;?php
}

wp_print_scripts( $scripts_to_print );
?&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
jQuery( function( $ ) {
	$( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
} );
&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
</textarea><br>
    <input type="submit" value="Save">
</form>