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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 |
|---|---|
| 1224 | * |
| 1225 | * A nonce has a lifespan of two ticks. Nonces in their second tick may be |
| 1226 | * updated, e.g. by autosave. |
| 1227 | * |
| 1228 | * @since 2.5 |
| 1229 | * |
| 1230 | * @return int |
| 1231 | */ |
| 1232 | function wp_nonce_tick() { |
| 1233 | $nonce_life = apply_filters('nonce_life', 86400); |
| 1234 | |
| 1235 | return ceil(time() / ( $nonce_life / 2 )); |
| 1236 | } |
| 1237 | endif; |
| 1238 | |
| 1239 | if ( !function_exists('wp_verify_nonce') ) : |
| 1240 | /** |
| 1241 | * Verify that correct nonce was used with time limit. |
| 1242 | * |