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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 |
|---|---|
| 2164 | */ |
| 2165 | function wp_nonce_tick() { |
| 2166 | /** |
| 2167 | * Filters the lifespan of nonces in seconds. |
| 2168 | * |
| 2169 | * @since 2.5.0 |
| 2170 | * |
| 2171 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 2172 | */ |
| 2173 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
| 2174 | |
| 2175 | return ceil( time() / ( $nonce_life / 2 ) ); |
| 2176 | } |
| 2177 | endif; |
| 2178 | |
| 2179 | if ( ! function_exists( 'wp_verify_nonce' ) ) : |
| 2180 | /** |
| 2181 | * Verifies that a correct security nonce was used with time limit. |
| 2182 | * |