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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 |
|---|---|
| 1956 | */ |
| 1957 | function wp_nonce_tick() { |
| 1958 | /** |
| 1959 | * Filters the lifespan of nonces in seconds. |
| 1960 | * |
| 1961 | * @since 2.5.0 |
| 1962 | * |
| 1963 | * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. |
| 1964 | */ |
| 1965 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
| 1966 | |
| 1967 | return ceil(time() / ( $nonce_life / 2 )); |
| 1968 | } |
| 1969 | endif; |
| 1970 | |
| 1971 | if ( !function_exists('wp_verify_nonce') ) : |
| 1972 | /** |
| 1973 | * Verify that correct nonce was used with time limit. |
| 1974 | * |