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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 |
|---|---|
| 1716 | */ |
| 1717 | function wp_nonce_tick() { |
| 1718 | /** |
| 1719 | * Filter the lifespan of nonces in seconds. |
| 1720 | * |
| 1721 | * @since 2.5.0 |
| 1722 | * |
| 1723 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 1724 | */ |
| 1725 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
| 1726 | |
| 1727 | return ceil(time() / ( $nonce_life / 2 )); |
| 1728 | } |
| 1729 | endif; |
| 1730 | |
| 1731 | if ( !function_exists('wp_verify_nonce') ) : |
| 1732 | /** |
| 1733 | * Verify that correct nonce was used with time limit. |
| 1734 | * |