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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 |
---|---|
1223 | * |
1224 | * A nonce has a lifespan of two ticks. Nonces in their second tick may be |
1225 | * updated, e.g. by autosave. |
1226 | * |
1227 | * @since 2.5 |
1228 | * |
1229 | * @return int |
1230 | */ |
1231 | function wp_nonce_tick() { |
1232 | $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); |
1233 |
|
1234 | return ceil(time() / ( $nonce_life / 2 )); |
1235 | } |
1236 | endif; |
1237 |
|
1238 | if ( !function_exists('wp_verify_nonce') ) : |
1239 | /** |
1240 | * Verify that correct nonce was used with time limit. |
1241 | * |