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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 |
|---|---|
| 1286 | * |
| 1287 | * @param string $nonce Nonce that was used in the form to verify |
| 1288 | * @param string|int $action Should give context to what is taking place and be the same when nonce was created. |
| 1289 | * @return bool Whether the nonce check passed or failed. |
| 1290 | */ |
| 1291 | function wp_verify_nonce($nonce, $action = -1) { |
| 1292 | $user = wp_get_current_user(); |
| 1293 | $uid = (int) $user->ID; |
| 1294 | if ( ! $uid ) |
| 1295 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 1296 | |
| 1297 | $i = wp_nonce_tick(); |
| 1298 | |
| 1299 | // Nonce generated 0-12 hours ago |
| 1300 | if ( substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10) === $nonce ) |
| 1301 | return 1; |
| 1302 | // Nonce generated 12-24 hours ago |
| 1303 | if ( substr(wp_hash(($i - 1) . $action . $uid, 'nonce'), -12, 10) === $nonce ) |
| 1304 | return 2; |
| Line | Code |
| 1314 | * @since 2.0.3 |
| 1315 | * |
| 1316 | * @param string|int $action Scalar value to add context to the nonce. |
| 1317 | * @return string The one use form token |
| 1318 | */ |
| 1319 | function wp_create_nonce($action = -1) { |
| 1320 | $user = wp_get_current_user(); |
| 1321 | $uid = (int) $user->ID; |
| 1322 | if ( ! $uid ) |
| 1323 | $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); |
| 1324 | |
| 1325 | $i = wp_nonce_tick(); |
| 1326 | |
| 1327 | return substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10); |
| 1328 | } |
| 1329 | endif; |
| 1330 | |
| 1331 | if ( !function_exists('wp_salt') ) : |
| 1332 | /** |