www.gusucode.com > wordpress PHP博客系统英文版 v4.5.1PHP源码程序 > wordpress PHP博客系统英文版 v4.5.1/wordpress/wordpress/wp-includes/ms-deprecated.php
<?php
/**
* Deprecated functions from WordPress MU and the multisite feature. You shouldn't
* use these functions and look for the alternatives instead. The functions will be
* removed in a later version.
*
* @package WordPress
* @subpackage Deprecated
* @since 3.0.0
*/
/*
* Deprecated functions come here to die.
*/
/**
* Get the "dashboard blog", the blog where users without a blog edit their profile data.
* Dashboard blog functionality was removed in WordPress 3.1, replaced by the user admin.
*
* @since MU
* @deprecated 3.1.0 Use get_blog_details()
* @see get_blog_details()
*
* @return int Current site ID.
*/
function get_dashboard_blog() {
_deprecated_function( __FUNCTION__, '3.1' );
if ( $blog = get_site_option( 'dashboard_blog' ) )
return get_blog_details( $blog );
return get_blog_details( $GLOBALS['current_site']->blog_id );
}
/**
* Generates a random password.
*
* @since MU
* @deprecated 3.0.0 Use wp_generate_password()
* @see wp_generate_password()
*
* @param int $len Optional. The length of password to generate. Default 8.
*/
function generate_random_password( $len = 8 ) {
_deprecated_function( __FUNCTION__, '3.0', 'wp_generate_password()' );
return wp_generate_password( $len );
}
/**
* Determine if user is a site admin.
*
* Plugins should use is_multisite() instead of checking if this function exists
* to determine if multisite is enabled.
*
* This function must reside in a file included only if is_multisite() due to
* legacy function_exists() checks to determine if multisite is enabled.
*
* @since MU
* @deprecated 3.0.0 Use is_super_admin()
* @see is_super_admin()
*
* @param string $user_login Optional. Username for the user to check. Default empty.
*/
function is_site_admin( $user_login = '' ) {
_deprecated_function( __FUNCTION__, '3.0', 'is_super_admin()' );
if ( empty( $user_login ) ) {
$user_id = get_current_user_id();
if ( !$user_id )
return false;
} else {
$user = get_user_by( 'login', $user_login );
if ( ! $user->exists() )
return false;
$user_id = $user->ID;
}
return is_super_admin( $user_id );
}
if ( !function_exists( 'graceful_fail' ) ) :
/**
* Deprecated functionality to gracefully fail.
*
* @since MU
* @deprecated 3.0.0 Use wp_die()
* @see wp_die()
*/
function graceful_fail( $message ) {
_deprecated_function( __FUNCTION__, '3.0', 'wp_die()' );
$message = apply_filters( 'graceful_fail', $message );
$message_template = apply_filters( 'graceful_fail_template',
'<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Error!</title>
<style type="text/css">
img {
border: 0;
}
body {
line-height: 1.6em; font-family: Georgia, serif; width: 390px; margin: auto;
text-align: center;
}
.message {
font-size: 22px;
width: 350px;
margin: auto;
}
</style>
</head>
<body>
<p class="message">%s</p>
</body>
</html>' );
die( sprintf( $message_template, $message ) );
}
endif;
/**
* Deprecated functionality to retrieve user information.
*
* @since MU
* @deprecated 3.0.0 Use get_user_by()
* @see get_user_by()
*
* @param string $username Username.
*/
function get_user_details( $username ) {
_deprecated_function( __FUNCTION__, '3.0', 'get_user_by()' );
return get_user_by('login', $username);
}
/**
* Deprecated functionality to clear the global post cache.
*
* @since MU
* @deprecated 3.0.0 Use clean_post_cache()
* @see clean_post_cache()
*
* @param int $post_id Post ID.
*/
function clear_global_post_cache( $post_id ) {
_deprecated_function( __FUNCTION__, '3.0', 'clean_post_cache()' );
}
/**
* Deprecated functionality to determin if the current site is the main site.
*
* @since MU
* @deprecated 3.0.0 Use is_main_site()
* @see is_main_site()
*/
function is_main_blog() {
_deprecated_function( __FUNCTION__, '3.0', 'is_main_site()' );
return is_main_site();
}
/**
* Deprecated functionality to validate an email address.
*
* @since MU
* @deprecated 3.0.0 Use is_email()
* @see is_email()
*
* @param string $email Email address to verify.
* @param bool $check_domain Deprecated.
* @return string|bool Either false or the valid email address.
*/
function validate_email( $email, $check_domain = true) {
_deprecated_function( __FUNCTION__, '3.0', 'is_email()' );
return is_email( $email, $check_domain );
}
/**
* Deprecated functionality to retrieve a list of all sites.
*
* @since MU
* @deprecated 3.0.0 Use wp_get_sites()
* @see wp_get_sites()
*
* @param int $start Optional. Offset for retrieving the blog list. Default 0.
* @param int $num Optional. Number of blogs to list. Default 10.
* @param string $deprecated Unused.
*/
function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
_deprecated_function( __FUNCTION__, '3.0', 'wp_get_sites()' );
global $wpdb;
$blogs = $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' ORDER BY registered DESC", $wpdb->siteid), ARRAY_A );
$blog_list = array();
foreach ( (array) $blogs as $details ) {
$blog_list[ $details['blog_id'] ] = $details;
$blog_list[ $details['blog_id'] ]['postcount'] = $wpdb->get_var( "SELECT COUNT(ID) FROM " . $wpdb->get_blog_prefix( $details['blog_id'] ). "posts WHERE post_status='publish' AND post_type='post'" );
}
if ( ! $blog_list ) {
return array();
}
if ( $num == 'all' ) {
return array_slice( $blog_list, $start, count( $blog_list ) );
} else {
return array_slice( $blog_list, $start, $num );
}
}
/**
* Deprecated functionality to retrieve a list of the most active sites.
*
* @since MU
* @deprecated 3.0.0
*
* @param int $num Optional. Number of activate blogs to retrieve. Default 10.
* @param bool $display Optional. Whether or not to display the most active blogs list. Default true.
* @return array List of "most active" sites.
*/
function get_most_active_blogs( $num = 10, $display = true ) {
_deprecated_function( __FUNCTION__, '3.0' );
$blogs = get_blog_list( 0, 'all', false ); // $blog_id -> $details
if ( is_array( $blogs ) ) {
reset( $blogs );
$most_active = array();
$blog_list = array();
foreach ( (array) $blogs as $key => $details ) {
$most_active[ $details['blog_id'] ] = $details['postcount'];
$blog_list[ $details['blog_id'] ] = $details; // array_slice() removes keys!!
}
arsort( $most_active );
reset( $most_active );
$t = array();
foreach ( (array) $most_active as $key => $details ) {
$t[ $key ] = $blog_list[ $key ];
}
unset( $most_active );
$most_active = $t;
}
if ( $display ) {
if ( is_array( $most_active ) ) {
reset( $most_active );
foreach ( (array) $most_active as $key => $details ) {
$url = esc_url('http://' . $details['domain'] . $details['path']);
echo '<li>' . $details['postcount'] . " <a href='$url'>$url</a></li>";
}
}
}
return array_slice( $most_active, 0, $num );
}
/**
* Redirect a user based on $_GET or $_POST arguments.
*
* The function looks for redirect arguments in the following order:
* 1) $_GET['ref']
* 2) $_POST['ref']
* 3) $_SERVER['HTTP_REFERER']
* 4) $_GET['redirect']
* 5) $_POST['redirect']
* 6) $url
*
* @since MU
* @deprecated 3.3.0 Use wp_redirect()
* @see wp_redirect()
*
* @param string $url Optional. Redirect URL. Default empty.
*/
function wpmu_admin_do_redirect( $url = '' ) {
_deprecated_function( __FUNCTION__, '3.3' );
$ref = '';
if ( isset( $_GET['ref'] ) )
$ref = $_GET['ref'];
if ( isset( $_POST['ref'] ) )
$ref = $_POST['ref'];
if ( $ref ) {
$ref = wpmu_admin_redirect_add_updated_param( $ref );
wp_redirect( $ref );
exit();
}
if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
wp_redirect( $_SERVER['HTTP_REFERER'] );
exit();
}
$url = wpmu_admin_redirect_add_updated_param( $url );
if ( isset( $_GET['redirect'] ) ) {
if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
$url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
} elseif ( isset( $_POST['redirect'] ) ) {
$url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
}
wp_redirect( $url );
exit();
}
/**
* Adds an 'updated=true' argument to a URL.
*
* @since MU
* @deprecated 3.3.0 Use add_query_arg()
* @see add_query_arg()
*
* @param string $url Optional. Redirect URL. Default empty.
* @return string
*/
function wpmu_admin_redirect_add_updated_param( $url = '' ) {
_deprecated_function( __FUNCTION__, '3.3' );
if ( strpos( $url, 'updated=true' ) === false ) {
if ( strpos( $url, '?' ) === false )
return $url . '?updated=true';
else
return $url . '&updated=true';
}
return $url;
}
/**
* Get a numeric user ID from either an email address or a login.
*
* A numeric string is considered to be an existing user ID
* and is simply returned as such.
*
* @since MU
* @deprecated 3.6.0 Use get_user_by()
* @see get_user_by()
*
* @param string $string Either an email address or a login.
* @return int
*/
function get_user_id_from_string( $string ) {
_deprecated_function( __FUNCTION__, '3.6', 'get_user_by()' );
if ( is_email( $string ) )
$user = get_user_by( 'email', $string );
elseif ( is_numeric( $string ) )
return $string;
else
$user = get_user_by( 'login', $string );
if ( $user )
return $user->ID;
return 0;
}
/**
* Get a full blog URL, given a domain and a path.
*
* @since MU
* @deprecated 3.7.0
*
* @param string $domain
* @param string $path
* @return string
*/
function get_blogaddress_by_domain( $domain, $path ) {
_deprecated_function( __FUNCTION__, '3.7' );
if ( is_subdomain_install() ) {
$url = "http://" . $domain.$path;
} else {
if ( $domain != $_SERVER['HTTP_HOST'] ) {
$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
$url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path;
// we're not installing the main blog
if ( $blogname != 'www.' )
$url .= $blogname . '/';
} else { // main blog
$url = 'http://' . $domain . $path;
}
}
return esc_url_raw( $url );
}
/**
* Create an empty blog.
*
* @since MU 1.0
* @deprecated 4.4.0
*
* @param string $domain The new blog's domain.
* @param string $path The new blog's path.
* @param string $weblog_title The new blog's title.
* @param int $site_id Optional. Defaults to 1.
* @return string|int The ID of the newly created blog
*/
function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
_deprecated_function( __FUNCTION__, '4.4' );
if ( empty($path) )
$path = '/';
// Check if the domain has been used already. We should return an error message.
if ( domain_exists($domain, $path, $site_id) )
return __( '<strong>ERROR</strong>: Site URL already taken.' );
// Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
// Need to get blog_id from wp_blogs, and create new table names.
// Must restore table names at the end of function.
if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
return __( '<strong>ERROR</strong>: problem creating site entry.' );
switch_to_blog($blog_id);
install_blog($blog_id);
restore_current_blog();
return $blog_id;
}
/**
* Get the admin for a domain/path combination.
*
* @since MU 1.0
* @deprecated 4.4.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $sitedomain Optional. Site domain.
* @param string $path Optional. Site path.
* @return array|false The network admins
*/
function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
_deprecated_function( __FUNCTION__, '4.4' );
global $wpdb;
if ( ! $sitedomain )
$site_id = $wpdb->siteid;
else
$site_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path ) );
if ( $site_id )
return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $site_id ), ARRAY_A );
return false;
}