The site ID. Default is the current site.

An array or a comma-separated list of role names that users must match to be included in results. Note that this is an inclusive list: users must match *each* role.

An array of role names. Matched users must have at least one of these roles.

An array of role names to exclude. Users matching one or more of these roles will not be included in results.

Meta key or keys to filter by.

Meta value or values to filter by.

MySQL operator used for comparing the meta value.
See WP_Meta_Query::__construct() for accepted values and default value.

MySQL operator used for comparing the meta key.
See WP_Meta_Query::__construct() for accepted values and default value.

MySQL data type that the meta_value column will be CAST to for comparisons.
See WP_Meta_Query::__construct() for accepted values and default value.

MySQL data type that the meta_key column will be CAST to for comparisons.
See WP_Meta_Query::__construct() for accepted values and default value.

An associative array of WP_Meta_Query arguments.
See WP_Meta_Query::__construct() for accepted values.

An array or a comma-separated list of capability names that users must match to be included in results. Note that this is an inclusive list: users must match *each* capability.
Does NOT work for capabilities not in the database or filtered via 'map_meta_cap'.

An array of capability names. Matched users must have at least one of these capabilities.
Does NOT work for capabilities not in the database or filtered via 'map_meta_cap'.

An array of capability names to exclude. Users matching one or more of these capabilities will not be included in results.
Does NOT work for capabilities not in the database or filtered via 'map_meta_cap'.

An array of user IDs to include.

An array of user IDs to exclude.

Search keyword. Searches for possible string matches on columns.
When $search_columns is left empty, it tries to determine which column to search in based on search string.

Array of column names to be searched. Accepts 'ID', 'user_login', 'user_email', 'user_url', 'user_nicename', 'display_name'.

Field(s) to sort the retrieved users by. May be a single value, an array of values, or a multi-dimensional array with fields as keys and orders ('ASC' or 'DESC') as values. Accepted values are:

• 'ID'
• 'display_name' (or 'name')
• 'include'
• 'user_login' (or 'login')
• 'login__in'
• 'user_nicename' (or 'nicename'),
• 'nicename__in'
• 'user_email (or 'email')
• 'user_url' (or 'url'),
• 'user_registered' (or 'registered')
• 'post_count'
• 'meta_value',
• 'meta_value_num'
• The value of $meta_key
• An array key of $meta_query To use 'meta_value' or 'meta_value_num', $meta_key must be also be defined. Default 'user_login'.

Designates ascending or descending order of users. Order values passed as part of an $orderby array take precedence over this parameter. Accepts 'ASC', 'DESC'. Default 'ASC'.

Number of users to offset in retrieved results. Can be used in conjunction with pagination. Default 0.

Number of users to limit the query for. Can be used in conjunction with pagination. Value -1 (all) is supported, but should be used with caution on larger sites.
Default -1 (all users).

When used with number, defines the page of results to return.
Default 1.

Whether to count the total number of users found. If pagination is not needed, setting this to false can improve performance.
Default true.

Which fields to return. Single or all fields (string), or array of fields. Accepts:

• 'ID'
• 'display_name'
• 'user_login'
• 'user_nicename'
• 'user_email'
• 'user_url'
• 'user_registered'
• 'user_pass'
• 'user_activation_key'
• 'user_status'
• 'spam' (only available on multisite installs)
• 'deleted' (only available on multisite installs)
• 'all' for all fields and loads user meta.
• 'all_with_meta' Deprecated. Use 'all'.

Default 'all'.

Type of users to query. Accepts 'authors'.
Default empty (all users).

Pass an array of post types to filter results to users who have published posts in those post types. true is an alias for all public post types.

The user nicename.

An array of nicenames to include. Users matching one of these nicenames will be included in results.

An array of nicenames to exclude. Users matching one of these nicenames will not be included in results.

The user login.

An array of logins to include. Users matching one of these logins will be included in results.

An array of logins to exclude. Users matching one of these logins will not be included in results.

Whether to cache user information. Default true.

How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered', 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name', 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'.

Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'.

Maximum authors to return or display. Default empty (all authors).

Show the count in parenthesis next to the author's name. Default false.

Whether to exclude the 'admin' account, if it exists. Default true.

Whether to show the author's full name. Default false.

Whether to hide any authors with no posts. Default true.

If not empty, show a link to the author's feed and use this text as the alt parameter of the link.

If not empty, show a link to the author's feed and use this image URL as clickable anchor.

The feed type to link to. Possible values include 'rss2', 'atom'.
Default is the value of get_default_feed() .

Whether to output the result or instead return it. Default true.

If 'list', each author is wrapped in an <li> element, otherwise the authors will be separated by commas.

Whether to list the items in HTML form or plaintext. Default true.

Array or comma/space-separated list of author IDs to exclude.

Array or comma/space-separated list of author IDs to include.