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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 |
|---|---|
| 1615 | */ |
| 1616 | function wp_nonce_tick() { |
| 1617 | /** |
| 1618 | * Filter the lifespan of nonces in seconds. |
| 1619 | * |
| 1620 | * @since 2.5.0 |
| 1621 | * |
| 1622 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 1623 | */ |
| 1624 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
| 1625 | |
| 1626 | return ceil(time() / ( $nonce_life / 2 )); |
| 1627 | } |
| 1628 | endif; |
| 1629 | |
| 1630 | if ( !function_exists('wp_verify_nonce') ) : |
| 1631 | /** |
| 1632 | * Verify that correct nonce was used with time limit. |
| 1633 | * |