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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.
| Line | Code |
|---|---|
| 2340 | /** |
| 2341 | * Filters the lifespan of nonces in seconds. |
| 2342 | * |
| 2343 | * @since 2.5.0 |
| 2344 | * @since 6.1.0 Added `$action` argument to allow for more targeted filters. |
| 2345 | * |
| 2346 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 2347 | * @param string|int $action The nonce action, or -1 if none was provided. |
| 2348 | */ |
| 2349 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS, $action ); |
| 2350 | |
| 2351 | return ceil( time() / ( $nonce_life / 2 ) ); |
| 2352 | } |
| 2353 | endif; |
| 2354 | |
| 2355 | if ( ! function_exists( 'wp_verify_nonce' ) ) : |
| 2356 | /** |
| 2357 | * Verifies that a correct security nonce was used with time limit. |
| 2358 | * |