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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 |
|---|---|
| 1029 | * |
| 1030 | * A nonce has a lifespan of two ticks. Nonces in their second tick may be |
| 1031 | * updated, e.g. by autosave. |
| 1032 | * |
| 1033 | * @since 2.5 |
| 1034 | * |
| 1035 | * @return int |
| 1036 | */ |
| 1037 | function wp_nonce_tick() { |
| 1038 | $nonce_life = apply_filters('nonce_life', 86400); |
| 1039 | |
| 1040 | return ceil(time() / ( $nonce_life / 2 )); |
| 1041 | } |
| 1042 | endif; |
| 1043 | |
| 1044 | if ( !function_exists('wp_verify_nonce') ) : |
| 1045 | /** |
| 1046 | * Verify that correct nonce was used with time limit. |
| 1047 | * |