nonce (security protection defence) (tag)
| check_admin_referer() | Makes sure that a user was referred from another admin page. Сhecks a nonce token. Stops php with die() in case of error. |
| check_ajax_referer() | Verifies nonce token of an Ajax request. Kills PHP if the verification failed. By default searches for a nonce token in $_REQUEST['_ajax_nonce'] and $_REQUEST['_wpnonce']. |
| wp_create_nonce() | Creates a unique security key for a short period of time (from 12 to 24 hours). |
| wp_nonce_ays() | Display "The link you followed has expired" message with a link to the previous page - wp_get_referer(). |
| wp_nonce_field() | Retrieve or display hidden nonce field for a form. |
| wp_nonce_url() | Adds a nonce token to the URL: |
| wp_referer_field() | Display or retrieve a hidden input field for form with the current page URI value (referer). |
| wp_verify_nonce() | Verify nonce token. |