wp_install_defaults()获取默认信息

目录

描述

Installs numerous default values into the database and sets up a few examples.

NOTE: This function is called by installation and upgrade scripts, it is not intended to be used by plugin and theme developers. This page is provided for informational purposes only.

wp_install_defaults() 描述

用法

<?php wp_install_defaults$user_id ?>

wp_install_defaults() 用法

参数

$user_id

(integer) (必填) A user ID. Will be assigned as author of the posts created by this function, etc.

默认值: None

wp_install_defaults() 参数

示例

/* ----------------------------------
 * wordpress之魂 © http://wphun.com
 * ---------------------------------- */

wp_install_defaults() 示例

注意

This function is called by installation and upgrade scripts, it is not intended to be used by plugin and theme developers. This page is provided for informational purposes only. However, this function is pluggable, and may be overridden.

wp_install_defaults() 注意

历史

添加于 版本: 2.1.0

wp_install_defaults() 历史

源文件

wp_install_defaults() 函数的代码位于 wp-admin/includes/upgrade.php

/* ----------------------------------
 * wordpress之魂 © http://wphun.com
 * ---------------------------------- */
/**
 * 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
 *
 * @global wpdb       $wpdb
 * @global WP_Rewrite $wp_rewrite
 * @global string     $table_prefix
 *
 * @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' );

		if ( empty($first_post) )
			$first_post = __( 'Welcome to SITE_NAME. This is your first post. Edit or delete it, then start writing!' );

		$first_post = str_replace( "SITE_URL", esc_url( network_home_url() ), $first_post );
		$first_post = str_replace( "SITE_NAME", get_current_site()->site_name, $first_post );
	} else {
		$first_post = __( 'Welcome to WordPress. This is your first post. Edit or delete it, then start writing!' );
	}

	$wpdb->insert( $wpdb->posts, array(
		'post_author' => $user_id,
		'post_date' => $now,
		'post_date_gmt' => $now_gmt,
		'post_content' => $first_post,
		'post_excerpt' => '',
		'post_title' => __('Hello world!'),
		/* translators: Default post slug */
		'post_name' => sanitize_title( _x('hello-world', 'Default post slug') ),
		'post_modified' => $now,
		'post_modified_gmt' => $now_gmt,
		'guid' => $first_post_guid,
		'comment_count' => 1,
		'to_ping' => '',
		'pinged' => '',
		'post_content_filtered' => ''
	));
	$wpdb->insert( $wpdb->term_relationships, array('term_taxonomy_id' => $cat_tt_id, 'object_id' => 1) );

	// Default comment
	$first_comment_author = __('Mr WordPress');
	$first_comment_url = 'https://wordpress.org/';
	$first_comment = __('Hi, this is a comment.
To delete a comment, just log in and view the post's comments. There you will have the option to edit or delete them.');
	if ( is_multisite() ) {
		$first_comment_author = get_site_option( 'first_comment_author', $first_comment_author );
		$first_comment_url = get_site_option( 'first_comment_url', network_home_url() );
		$first_comment = get_site_option( 'first_comment', $first_comment );
	}
	$wpdb->insert( $wpdb->comments, array(
		'comment_post_ID' => 1,
		'comment_author' => $first_comment_author,
		'comment_author_email' => '',
		'comment_author_url' => $first_comment_url,
		'comment_date' => $now,
		'comment_date_gmt' => $now_gmt,
		'comment_content' => $first_comment
	));

	// First Page
	$first_page = sprintf( __( "This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:

Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, have a great dog named Jack, and I like piña coladas. (And gettin' caught in the rain.)
...or something like this:
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.
As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content. Have fun!" ), admin_url() ); if ( is_multisite() ) $first_page = get_site_option( 'first_page', $first_page ); $first_post_guid = get_option('home') . '/?page_id=2'; $wpdb->insert( $wpdb->posts, array( 'post_author' => $user_id, 'post_date' => $now, 'post_date_gmt' => $now_gmt, 'post_content' => $first_page, 'post_excerpt' => '', 'post_title' => __( 'Sample Page' ), /* translators: Default page slug */ 'post_name' => __( 'sample-page' ), 'post_modified' => $now, 'post_modified_gmt' => $now_gmt, 'guid' => $first_post_guid, 'post_type' => 'page', 'to_ping' => '', 'pinged' => '', 'post_content_filtered' => '' )); $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 ) ); update_option( 'sidebars_widgets', array ( 'wp_inactive_widgets' => array (), 'sidebar-1' => array ( 0 => 'search-2', 1 => 'recent-posts-2', 2 => 'recent-comments-2', 3 => 'archives-2', 4 => 'categories-2', 5 => 'meta-2', ), 'array_version' => 3 ) ); 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;

wp_install_defaults() 源文件