exists() )
return false;
$user_id = $user->ID;
}
return is_super_admin( $user_id );
}
if ( !function_exists( 'graceful_fail' ) ) :
/**
* @since MU
* @deprecated 3.0.0
* @deprecated 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',
'
Error!
%s
' );
die( sprintf( $message_template, $message ) );
}
endif;
/**
* @since MU
* @deprecated 3.0.0
* @deprecated Use get_user_by()
* @see get_user_by()
*/
function get_user_details( $username ) {
_deprecated_function( __FUNCTION__, '3.0', 'get_user_by()' );
return get_user_by('login', $username);
}
/**
* @since MU
* @deprecated 3.0.0
* @deprecated Use clean_post_cache()
* @see clean_post_cache()
*/
function clear_global_post_cache( $post_id ) {
_deprecated_function( __FUNCTION__, '3.0', 'clean_post_cache()' );
}
/**
* @since MU
* @deprecated 3.0.0
* @deprecated Use is_main_site()
* @see is_main_site()
*/
function is_main_blog() {
_deprecated_function( __FUNCTION__, '3.0', 'is_main_site()' );
return is_main_site();
}
/**
* @since MU
* @deprecated 3.0.0
* @deprecated Use is_email()
* @see is_email()
*/
function validate_email( $email, $check_domain = true) {
_deprecated_function( __FUNCTION__, '3.0', 'is_email()' );
return is_email( $email, $check_domain );
}
/**
* @since MU
* @deprecated 3.0.0
* @deprecated No alternative available. For performance reasons this function is not recommended.
*/
function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
_deprecated_function( __FUNCTION__, '3.0' );
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 );
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'" );
}
unset( $blogs );
$blogs = $blog_list;
if ( false == is_array( $blogs ) )
return array();
if ( $num == 'all' )
return array_slice( $blogs, $start, count( $blogs ) );
else
return array_slice( $blogs, $start, $num );
}
/**
* @since MU
* @deprecated 3.0.0
* @deprecated No alternative available. For performance reasons this function is not recommended.
*/
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 );
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 );
foreach ( (array) $most_active as $key => $details )
$t[ $key ] = $blog_list[ $key ];
unset( $most_active );
$most_active = $t;
}
if ( $display == true ) {
if ( is_array( $most_active ) ) {
reset( $most_active );
foreach ( (array) $most_active as $key => $details ) {
$url = esc_url('http://' . $details['domain'] . $details['path']);
echo '' . $details['postcount'] . " $url";
}
}
}
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
* @deprecated Use wp_redirect()
* @uses wpmu_admin_redirect_add_updated_param()
*
* @param string $url
*/
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'] ) == false ) {
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
* @deprecated Use add_query_arg()
*
* @param string $url
* @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;
}
/**
* Retrieve option value for a given blog id based on name of option.
*
* If the option does not exist or does not have a value, then the return value
* will be false. This is useful to check whether you need to install an option
* and is commonly used during installation of plugin options and to test
* whether upgrading is required.
*
* If the option was serialized then it will be unserialized when it is returned.
*
* @since MU
* @deprecated 3.5.0
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
* @param mixed $default Optional. Default value to return if the option does not exist.
* @return mixed Value set for the option.
*/
function get_blog_option( $id, $option, $default = false ) {
_deprecated_function( __FUNCTION__, '3.5' );
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return get_option( $option, $default );
switch_to_blog( $id );
$option = get_option( $option, $default );
restore_current_blog();
return $option;
}
/**
* Add a new option for a given blog id.
*
* You do not need to serialize values. If the value needs to be serialized, then
* it will be serialized before it is inserted into the database. Remember,
* resources can not be serialized or added as an option.
*
* You can create options without values and then update the values later.
* Existing options will not be updated and checks are performed to ensure that you
* aren't adding a protected WordPress option. Care should be taken to not name
* options the same as the ones which are protected.
*
* @since MU
* @deprecated 3.5.0
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to add. Expected to not be SQL-escaped.
* @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped.
* @return bool False if option was not added and true if option was added.
*/
function add_blog_option( $id, $option, $value ) {
_deprecated_function( __FUNCTION__, '3.5' );
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return add_option( $option, $value );
switch_to_blog( $id );
$return = add_option( $option, $value );
restore_current_blog();
return $return;
}
/**
* Removes option by name for a given blog id. Prevents removal of protected WordPress options.
*
* @since MU
* @deprecated 3.5.0
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if option is successfully deleted. False on failure.
*/
function delete_blog_option( $id, $option ) {
_deprecated_function( __FUNCTION__, '3.5' );
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return delete_option( $option );
switch_to_blog( $id );
$return = delete_option( $option );
restore_current_blog();
return $return;
}
/**
* Update an option for a particular blog.
*
* @since MU
* @deprecated 3.5.0
*
* @param int $id The blog id
* @param string $option The option key
* @param mixed $value The option value
* @return bool True on success, false on failrue.
*/
function update_blog_option( $id, $option, $value, $deprecated = null ) {
_deprecated_function( __FUNCTION__, '3.5' );
$id = (int) $id;
if ( null !== $deprecated )
_deprecated_argument( __FUNCTION__, '3.1' );
if ( get_current_blog_id() == $id )
return update_option( $option, $value );
switch_to_blog( $id );
$return = update_option( $option, $value );
restore_current_blog();
refresh_blog_details( $id );
return $return;
}