<?php

/**

 * WordPress Upgrade API

 *

 * Most of the functions are pluggable and can be overwritten.

 *

 * @package WordPress

 * @subpackage Administration

 */

if ( file_exists(WP_CONTENT_DIR . '/install.php') )

	require (WP_CONTENT_DIR . '/install.php');

/** WordPress Administration API */

require_once(ABSPATH . 'wp-admin/includes/admin.php');

/** WordPress Schema API */

require_once(ABSPATH . 'wp-admin/includes/schema.php');

if ( !function_exists('wp_install') ) :

/**

 * Installs the site.

 *

 * Runs the required functions to set up and populate the database,

 * including primary admin user and initial options.

 *

 * @since 2.1.0

 *

 * @param string $user_name     User's username.

 * @param string $user_email    User's email.

 * @param string $deprecated    Optional. Not used.

 * @param string $user_password Optional. User's chosen password. Default empty (random password).

 * @param string $language      Optional. Language chosen. Default empty.

 * @return array Array keys 'url', 'user_id', 'password', and 'password_message'.

 */

function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {

	if ( !empty( $deprecated ) )

	wp_check_mysql_version();

	wp_cache_flush();

	make_db_current_silent();

	populate_options();

	populate_roles();

	update_option('blogname', $blog_title);

	update_option('admin_email', $user_email);

	update_option('blog_public', $public);

	if ( $language ) {

		update_option( 'WPLANG', $language );

	}

	$guessurl = wp_guess_url();

	update_option('siteurl', $guessurl);

	// If not a public blog, don't ping.

	if ( ! $public )

		update_option('default_pingback_flag', 0);

	/*

	 * Create default user. If the user already exists, the user tables are

	 */

	$user_id = username_exists($user_name);

	$user_password = trim($user_password);

	$email_password = false;

	if ( !$user_id && empty($user_password) ) {

		$user_password = wp_generate_password( 12, false );

		$message = __('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.');

		$user_id = wp_create_user($user_name, $user_password, $user_email);

		update_user_option($user_id, 'default_password_nag', true, true);

		$email_password = true;

	} elseif ( ! $user_id ) {

		// Password has been provided

		$message = '<em>'.__('Your chosen password.').'</em>';

		$user_id = wp_create_user($user_name, $user_password, $user_email);

	} else {

		$message = __('User already exists. Password inherited.');

	}

	$user = new WP_User($user_id);

	$user->set_role('administrator');

	wp_install_defaults($user_id);

	wp_install_maybe_enable_pretty_permalinks();

	flush_rewrite_rules();

	wp_cache_flush();

	/**

	 * Fires after a site is fully installed.

	 *

	 * @since 3.9.0

	 *

	 * @param WP_User $user The site owner.

	 */

	do_action( 'wp_install', $user );

	return array('url' => $guessurl, 'user_id' => $user_id, 'password' => $user_password, 'password_message' => $message);

}

endif;

if ( !function_exists('wp_install_defaults') ) :

/**

 * Creates the initial content for a newly-installed site.

 *

 * Adds the default "Uncategorized" category, the first post (with comment),

 * first page, and default widgets for default theme for the current version.

 *

 * @since 2.1.0

 *

 * @param int $user_id User ID.

 */

function wp_install_defaults( $user_id ) {

	global $wpdb, $wp_rewrite, $table_prefix;

	// Default category

	$cat_name = __('Uncategorized');

	/* translators: Default category slug */

	$cat_slug = sanitize_title(_x('Uncategorized', 'Default category slug'));

	if ( global_terms_enabled() ) {

		$cat_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM {$wpdb->sitecategories} WHERE category_nicename = %s", $cat_slug ) );

		if ( $cat_id == null ) {

			$wpdb->insert( $wpdb->sitecategories, array('cat_ID' => 0, 'cat_name' => $cat_name, 'category_nicename' => $cat_slug, 'last_updated' => current_time('mysql', true)) );

			$cat_id = $wpdb->insert_id;

		}

		update_option('default_category', $cat_id);

	} else {

		$cat_id = 1;

	}

	$wpdb->insert( $wpdb->terms, array('term_id' => $cat_id, 'name' => $cat_name, 'slug' => $cat_slug, 'term_group' => 0) );

	$wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $cat_id, 'taxonomy' => 'category', 'description' => '', 'parent' => 0, 'count' => 1));

	$cat_tt_id = $wpdb->insert_id;

	// First post

	$now = current_time( 'mysql' );

	$now_gmt = current_time( 'mysql', 1 );

	$first_post_guid = get_option( 'home' ) . '/?p=1';

	if ( is_multisite() ) {

		$first_post = get_site_option( 'first_post' );

	} else {

	}

	$wpdb->insert( $wpdb->posts, array(

	$wpdb->insert( $wpdb->term_relationships, array('term_taxonomy_id' => $cat_tt_id, 'object_id' => 1) );

	// Default comment

	if ( is_multisite() ) {

		$first_comment_url = get_site_option( 'first_comment_url', network_home_url() );

	}

	$wpdb->insert( $wpdb->comments, array(

	// First Page

...or something like this:

<blockquote>The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.</blockquote>

As a new WordPress user, you should go to <a href=\"%s\">your dashboard</a> to delete this page and create new pages for your content. Have fun!" ), admin_url() );

	$first_post_guid = get_option('home') . '/?page_id=2';

	$wpdb->insert( $wpdb->posts, array(

	$wpdb->insert( $wpdb->postmeta, array( 'post_id' => 2, 'meta_key' => '_wp_page_template', 'meta_value' => 'default' ) );

	// Set up default widgets for default theme.

	update_option( 'widget_search', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );

	update_option( 'widget_recent-posts', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );

	update_option( 'widget_recent-comments', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );

	update_option( 'widget_archives', array ( 2 => array ( 'title' => '', 'count' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );

	update_option( 'widget_categories', array ( 2 => array ( 'title' => '', 'count' => 0, 'hierarchical' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );

	update_option( 'widget_meta', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );

	if ( ! is_multisite() )

		update_user_meta( $user_id, 'show_welcome_panel', 1 );

	elseif ( ! is_super_admin( $user_id ) && ! metadata_exists( 'user', $user_id, 'show_welcome_panel' ) )

		update_user_meta( $user_id, 'show_welcome_panel', 2 );

	if ( is_multisite() ) {

		// Flush rules to pick up the new page.

		$wp_rewrite->init();

		$wp_rewrite->flush_rules();

		$user = new WP_User($user_id);

		$wpdb->update( $wpdb->options, array('option_value' => $user->user_email), array('option_name' => 'admin_email') );

		// Remove all perms except for the login user.

		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'user_level') );

		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'capabilities') );

		// Delete any caps that snuck into the previously active blog. (Hardcoded to blog 1 for now.) TODO: Get previous_blog_id.

		if ( !is_super_admin( $user_id ) && $user_id != 1 )

			$wpdb->delete( $wpdb->usermeta, array( 'user_id' => $user_id , 'meta_key' => $wpdb->base_prefix.'1_capabilities' ) );

	}

}

endif;

/**

 *

 * If after enabling pretty permalinks don't work, fallback to query-string permalinks.

 *

 * @since 4.2.0

 *

 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.

 *

 * @return bool Whether pretty permalinks are enabled. False otherwise.

 */

function wp_install_maybe_enable_pretty_permalinks() {

	global $wp_rewrite;

	// Bail if a permalink structure is already enabled.

	if ( get_option( 'permalink_structure' ) ) {

		return true;

	}

	/*

	 * The Permalink structures to attempt.

	 *

	 * The first is designed for mod_rewrite or nginx rewriting.

	 *

	 * The second is PATHINFO-based permalinks for web server configurations

	 * without a true rewrite module enabled.

	 */

	$permalink_structures = array(

		'/%year%/%monthnum%/%day%/%postname%/',

		'/index.php/%year%/%monthnum%/%day%/%postname%/'

	);

	foreach ( (array) $permalink_structures as $permalink_structure ) {

		$wp_rewrite->set_permalink_structure( $permalink_structure );

		/*

	 	 * Flush rules with the hard option to force refresh of the web-server's

	 	 * rewrite config file (e.g. .htaccess or web.config).

	 	 */

		$wp_rewrite->flush_rules( true );

		}

		/*

	 	 * Send a request to the site, and check whether

	 	 * the 'x-pingback' header is returned as expected.

	 	 *

	 	 * Uses wp_remote_get() instead of wp_remote_head() because web servers

	 	 * can block head requests.

	 	 */

		$response          = wp_remote_get( $test_url, array( 'timeout' => 5 ) );

		$x_pingback_header = wp_remote_retrieve_header( $response, 'x-pingback' );

		$pretty_permalinks = $x_pingback_header && $x_pingback_header === get_bloginfo( 'pingback_url' );

		if ( $pretty_permalinks ) {

			return true;