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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2171 | if ( ! $uid ) { |
| 2172 | /** |
| 2173 | * Filters whether the user who generated the nonce is logged out. |
| 2174 | * |
| 2175 | * @since 3.5.0 |
| 2176 | * |
| 2177 | * @param int $uid ID of the nonce-owning user. |
| 2178 | * @param string $action The nonce action. |
| 2179 | */ |
| 2180 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 2181 | } |
| 2182 | |
| 2183 | if ( empty( $nonce ) ) { |
| 2184 | return false; |
| 2185 | } |
| 2186 | |
| 2187 | $token = wp_get_session_token(); |
| 2188 | $i = wp_nonce_tick(); |
| 2189 | |
| Line | Code |
| 2226 | * |
| 2227 | * @param string|int $action Scalar value to add context to the nonce. |
| 2228 | * @return string The token. |
| 2229 | */ |
| 2230 | function wp_create_nonce( $action = -1 ) { |
| 2231 | $user = wp_get_current_user(); |
| 2232 | $uid = (int) $user->ID; |
| 2233 | if ( ! $uid ) { |
| 2234 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2235 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 2236 | } |
| 2237 | |
| 2238 | $token = wp_get_session_token(); |
| 2239 | $i = wp_nonce_tick(); |
| 2240 | |
| 2241 | return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); |
| 2242 | } |
| 2243 | endif; |
| 2244 | |