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get_author_user_ids › WordPress Function

Sincen/a
Deprecated3.1.0
› get_author_user_ids ( No parameters )
Returns:
  • (array) List of user IDs.
Defined at:
Codex:

Get all user IDs.



Related Functions: get_nonauthor_user_ids, get_current_user_id, get_the_author_id, get_author_link, get_author_name

Source 

function get_author_user_ids() {
	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );

	global $wpdb;
	if ( !is_multisite() )
		$level_key = $wpdb->get_blog_prefix() . 'user_level';
	else
		$level_key = $wpdb->get_blog_prefix() . 'capabilities'; // WPMU site admins don't have user_levels.

	return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value != '0'", $level_key) );
}