get_user( int $user_id ): WP_User|false

get_userdata( int $user_id ): WP_User|false

get_user_by( string $field, int|string $value ): WP_User|false

$user = get_user_by( 'email', '[email protected]' );
$user = get_user_by( 'login', 'johndoe' );

get_users( array $args = array() ): array

$editors = get_users( array(
    'role'    => 'editor',
    'orderby' => 'display_name',
    'number'  => 20,
) );

wp_get_current_user(): WP_User

get_current_user_id(): int

wp_insert_user( array|object|WP_User $userdata ): int|WP_Error

$user_id = wp_insert_user( array(
    'user_login' => 'newuser',
    'user_pass'  => wp_generate_password(),
    'user_email' => '[email protected]',
    'role'       => 'author',
    'meta_input' => array(
        'phone' => '555-1234',
    ),
) );

wp_update_user( array|object|WP_User $userdata ): int|WP_Error

wp_create_user( string $username, string $password, string $email = '' ): int|WP_Error

$user_id = wp_create_user( 'johndoe', 'securepass123', '[email protected]' );

wp_delete_user( int $id, int $reassign = null ): bool

wp_signon( array $credentials = array(), bool $secure_cookie = '' ): WP_User|WP_Error

$user = wp_signon( array(
    'user_login'    => $_POST['username'],
    'user_password' => $_POST['password'],
    'remember'      => true,
) );

if ( is_wp_error( $user ) ) {
    echo $user->get_error_message();
}

wp_authenticate( string $username, string $password ): WP_User|WP_Error

wp_authenticate_username_password( 
    WP_User|WP_Error|null $user, 
    string $username, 
    string $password 
): WP_User|WP_Error

wp_authenticate_email_password( 
    WP_User|WP_Error|null $user, 
    string $email, 
    string $password 
): WP_User|WP_Error

wp_authenticate_application_password( 
    WP_User|WP_Error|null $input_user, 
    string $username, 
    string $password 
): WP_User|WP_Error|null

wp_logout(): void

is_user_logged_in(): bool

wp_set_current_user( int $id, string $name = '' ): WP_User

wp_set_password( string $password, int $user_id ): void

wp_check_password( string $password, string $hash, int $user_id = 0 ): bool

wp_hash_password( string $password ): string

get_password_reset_key( WP_User $user ): string|WP_Error

check_password_reset_key( string $key, string $login ): WP_User|WP_Error

reset_password( WP_User $user, string $new_pass ): void

retrieve_password( string $user_login = '' ): true|WP_Error

get_user_meta( int $user_id, string $key = '', bool $single = false ): mixed

$phone = get_user_meta( $user_id, 'phone', true );
$all_meta = get_user_meta( $user_id );

add_user_meta( int $user_id, string $meta_key, mixed $meta_value, bool $unique = false ): int|false

update_user_meta( int $user_id, string $meta_key, mixed $meta_value, mixed $prev_value = '' ): int|bool

delete_user_meta( int $user_id, string $meta_key, mixed $meta_value = '' ): bool

get_user_option( string $option, int $user = 0, string $deprecated = '' ): mixed

update_user_option( int $user_id, string $option_name, mixed $newvalue, bool $is_global = false ): int|bool

delete_user_option( int $user_id, string $option_name, bool $is_global = false ): bool

current_user_can( string $capability, mixed ...$args ): bool

if ( current_user_can( 'edit_posts' ) ) { }
if ( current_user_can( 'edit_post', $post_id ) ) { }
if ( current_user_can( 'edit_post_meta', $post_id, $meta_key ) ) { }

current_user_can_for_site( int $site_id, string $capability, mixed ...$args ): bool

user_can( int|WP_User $user, string $capability, mixed ...$args ): bool

user_can_for_site( int|WP_User $user, int $site_id, string $capability, mixed ...$args ): bool

author_can( int|WP_Post $post, string $capability, mixed ...$args ): bool

map_meta_cap( string $cap, int $user_id, mixed ...$args ): string[]

// edit_post for post 123 might return:
// ['edit_others_posts', 'edit_published_posts']
$caps = map_meta_cap( 'edit_post', $user_id, 123 );

wp_roles(): WP_Roles

get_role( string $role ): WP_Role|null

add_role( string $role, string $display_name, array $capabilities = array() ): WP_Role|void

add_role( 'custom_editor', 'Custom Editor', array(
    'read'         => true,
    'edit_posts'   => true,
    'delete_posts' => false,
) );

remove_role( string $role ): void

is_super_admin( int|false $user_id = false ): bool

get_super_admins(): string[]

grant_super_admin( int $user_id ): bool

revoke_super_admin( int $user_id ): bool

username_exists( string $username ): int|false

email_exists( string $email ): int|false

validate_username( string $username ): bool

wp_get_session_token(): string

wp_get_all_sessions(): array

wp_destroy_current_session(): void

wp_destroy_other_sessions(): void

wp_destroy_all_sessions(): void

count_users( string $strategy = 'time', int|null $site_id = null ): array

array(
    'total_users' => 150,
    'avail_roles' => array(
        'administrator' => 2,
        'editor'        => 10,
        'author'        => 25,
        'subscriber'    => 113,
        'none'          => 0,
    ),
)

count_user_posts( int $userid, array|string $post_type = 'post', bool $public_only = false ): string

count_many_users_posts( int[] $users, string|string[] $post_type = 'post', bool $public_only = false ): array

get_user_count( int|null $network_id = null ): int

get_blogs_of_user( int $user_id, bool $all = false ): object[]

is_user_member_of_blog( int $user_id = 0, int $blog_id = 0 ): bool

wp_get_users_with_no_role( int|null $site_id = null ): string[]

wp_dropdown_users( array|string $args = '' ): string

wp_list_users( string|array $args = array() ): string|null

wp_is_application_passwords_available(): bool

wp_is_application_passwords_available_for_user( int|WP_User $user ): bool

update_user_caches( object|WP_User $user ): void|false

clean_user_cache( WP_User|int $user ): void

wp_cache_set_users_last_changed(): void

sanitize_user_field( string $field, mixed $value, int $user_id, string $context ): mixed

wp_get_user_contact_methods( WP_User|null $user = null ): string[]

wp_get_password_hint(): string

register_new_user( string $user_login, string $user_email ): int|WP_Error

wp_send_new_user_notifications( int $user_id, string $notify = 'both' ): void