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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 |
|---|---|
| 2149 | */ |
| 2150 | function wp_nonce_tick() { |
| 2151 | /** |
| 2152 | * Filters the lifespan of nonces in seconds. |
| 2153 | * |
| 2154 | * @since 2.5.0 |
| 2155 | * |
| 2156 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 2157 | */ |
| 2158 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
| 2159 | |
| 2160 | return ceil( time() / ( $nonce_life / 2 ) ); |
| 2161 | } |
| 2162 | endif; |
| 2163 | |
| 2164 | if ( ! function_exists( 'wp_verify_nonce' ) ) : |
| 2165 | /** |
| 2166 | * Verifies that a correct security nonce was used with time limit. |
| 2167 | * |