wp_update_user

Source code

function wp_update_user($userdata) {

	$ID = (int) $userdata['ID'];



	// First, get all of the original fields

	$user = get_userdata($ID);



	// Escape data pulled from DB.

	$user = add_magic_quotes(get_object_vars($user));



	// If password is changing, hash it now.

	if ( ! empty($userdata['user_pass']) ) {

		$plaintext_pass = $userdata['user_pass'];

		$userdata['user_pass'] = wp_hash_password($userdata['user_pass']);

	}



	wp_cache_delete($user[ 'user_email' ], 'useremail');



	// Merge old and new fields with new fields overwriting old ones.

	$userdata = array_merge($user, $userdata);

	$user_id = wp_insert_user($userdata);



	// Update the cookies if the password changed.

	$current_user = wp_get_current_user();

	if ( $current_user->id == $ID ) {

		if ( isset($plaintext_pass) ) {

			wp_clear_auth_cookie();

			wp_set_auth_cookie($ID);

		}

	}



	return $user_id;

}