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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 |
|---|---|
| 2282 | if ( ! $uid ) { |
| 2283 | /** |
| 2284 | * Filters whether the user who generated the nonce is logged out. |
| 2285 | * |
| 2286 | * @since 3.5.0 |
| 2287 | * |
| 2288 | * @param int $uid ID of the nonce-owning user. |
| 2289 | * @param string|int $action The nonce action, or -1 if none was provided. |
| 2290 | */ |
| 2291 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 2292 | } |
| 2293 | |
| 2294 | if ( empty( $nonce ) ) { |
| 2295 | return false; |
| 2296 | } |
| 2297 | |
| 2298 | $token = wp_get_session_token(); |
| 2299 | $i = wp_nonce_tick( $action ); |
| 2300 | |
| Line | Code |
| 2337 | * |
| 2338 | * @param string|int $action Scalar value to add context to the nonce. |
| 2339 | * @return string The token. |
| 2340 | */ |
| 2341 | function wp_create_nonce( $action = -1 ) { |
| 2342 | $user = wp_get_current_user(); |
| 2343 | $uid = (int) $user->ID; |
| 2344 | if ( ! $uid ) { |
| 2345 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2346 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 2347 | } |
| 2348 | |
| 2349 | $token = wp_get_session_token( $action ); |
| 2350 | $i = wp_nonce_tick( $action ); |
| 2351 | |
| 2352 | return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); |
| 2353 | } |
| 2354 | endif; |
| 2355 | |