Title: 2.0.3 | Developer.WordPress.org

---

# New and updated in 2.0.3

Functions

Hooks

Classes

Methods

 * function[wp_create_nonce()](https://developer.wordpress.org/reference/functions/wp_create_nonce/)
 * Creates a cryptographic token tied to a specific action, user, user session, 
   and window of time.
 * Used by [52 functions](https://developer.wordpress.org/reference/functions/wp_create_nonce/#used-by)
   | Uses [5 functions](https://developer.wordpress.org/reference/functions/wp_create_nonce/#uses)
   | Source: [wp-includes/pluggable.php:2533](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2533-L2545)
 * function[wp_hash()](https://developer.wordpress.org/reference/functions/wp_hash/)
 * Gets the hash of the given string.
 * Used by [10 functions](https://developer.wordpress.org/reference/functions/wp_hash/#used-by)
   | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_hash/#uses)
   | Source: [wp-includes/pluggable.php:2715](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2715-L2731)
 * function[wp_verify_nonce()](https://developer.wordpress.org/reference/functions/wp_verify_nonce/)
 * Verifies that a correct security nonce was used with time limit.
 * Used by [15 functions](https://developer.wordpress.org/reference/functions/wp_verify_nonce/#used-by)
   | Uses [6 functions](https://developer.wordpress.org/reference/functions/wp_verify_nonce/#uses)
   | Source: [wp-includes/pluggable.php:2470](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L2470-L2519)
 * function[check_ajax_referer()](https://developer.wordpress.org/reference/functions/check_ajax_referer/)
 * Verifies the Ajax request to prevent processing requests external of the blog.
 * Used by [85 functions](https://developer.wordpress.org/reference/functions/check_ajax_referer/#used-by)
   | Uses [6 functions](https://developer.wordpress.org/reference/functions/check_ajax_referer/#uses)
   | Source: [wp-includes/pluggable.php:1417](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1417-L1454)
 * function[wp_set_current_user()](https://developer.wordpress.org/reference/functions/wp_set_current_user/)
 * Changes the current user by ID or name.
 * Used by [7 functions](https://developer.wordpress.org/reference/functions/wp_set_current_user/#used-by)
   | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_set_current_user/#uses)
   | Source: [wp-includes/pluggable.php:27](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L27-L51)
 * function[wp_get_current_user()](https://developer.wordpress.org/reference/functions/wp_get_current_user/)
 * Retrieves the current user object.
 * Used by [41 functions](https://developer.wordpress.org/reference/functions/wp_get_current_user/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_get_current_user/#uses)
   | Source: [wp-includes/pluggable.php:69](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L69-L71)
 * hook[pre_category_nicename](https://developer.wordpress.org/reference/hooks/pre_category_nicename/)
 * Filters the category nicename before it is sanitized.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_category_nicename/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_category_nicename/#uses)
   | Source: [wp-includes/taxonomy.php:1858](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/taxonomy.php#L1858-L1858)
 * hook[pre_user_nickname](https://developer.wordpress.org/reference/hooks/pre_user_nickname/)
 * Filters a user’s nickname before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_nickname/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_nickname/#uses)
   | Source: [wp-includes/user.php:2427](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2427-L2427)
 * hook[pre_user_first_name](https://developer.wordpress.org/reference/hooks/pre_user_first_name/)
 * Filters a user’s first name before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_first_name/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_first_name/#uses)
   | Source: [wp-includes/user.php:2438](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2438-L2438)
 * hook[pre_user_last_name](https://developer.wordpress.org/reference/hooks/pre_user_last_name/)
 * Filters a user’s last name before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_last_name/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_last_name/#uses)
   | Source: [wp-includes/user.php:2449](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2449-L2449)
 * hook[pre_user_display_name](https://developer.wordpress.org/reference/hooks/pre_user_display_name/)
 * Filters a user’s display name before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_display_name/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_display_name/#uses)
   | Source: [wp-includes/user.php:2479](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2479-L2479)
 * hook[pre_user_description](https://developer.wordpress.org/reference/hooks/pre_user_description/)
 * Filters a user’s description before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_description/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_description/#uses)
   | Source: [wp-includes/user.php:2490](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2490-L2490)
 * hook[pre_user_login](https://developer.wordpress.org/reference/hooks/pre_user_login/)
 * Filters a username after it has been sanitized.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_login/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_login/#uses)
   | Source: [wp-includes/user.php:2296](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2296-L2296)
 * hook[pre_user_nicename](https://developer.wordpress.org/reference/hooks/pre_user_nicename/)
 * Filters a user’s nicename before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_nicename/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_nicename/#uses)
   | Source: [wp-includes/user.php:2344](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2344-L2344)
 * hook[pre_user_url](https://developer.wordpress.org/reference/hooks/pre_user_url/)
 * Filters a user’s URL before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_url/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_url/#uses)
   | Source: [wp-includes/user.php:2399](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2399-L2399)
 * hook[pre_user_email](https://developer.wordpress.org/reference/hooks/pre_user_email/)
 * Filters a user’s email before the user is created or updated.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_user_email/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_user_email/#uses)
   | Source: [wp-includes/user.php:2376](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L2376-L2376)
 * function[wp_get_cookie_login()](https://developer.wordpress.org/reference/functions/wp_get_cookie_login/)
 * Gets the user cookie login. This function is deprecated.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_get_cookie_login/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_get_cookie_login/#uses)
   | Source: [wp-includes/pluggable-deprecated.php:149](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable-deprecated.php#L149-L152)