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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 |
|---|---|
| 3263 | if ( get_site_option($transient_timeout) < time() ) { |
| 3264 | delete_site_option($transient_option); |
| 3265 | delete_site_option($transient_timeout); |
| 3266 | return false; |
| 3267 | } |
| 3268 | |
| 3269 | $value = get_site_option($transient_option); |
| 3270 | } |
| 3271 | |
| 3272 | return apply_filters('site_transient_' . $transient, $value); |
| 3273 | } |
| 3274 | |
| 3275 | /** |
| 3276 | * Set/update the value of a site transient |
| 3277 | * |
| 3278 | * You do not need to serialize values, if the value needs to be serialize, then |
| 3279 | * it will be serialized before it is set. |
| 3280 | * |
| 3281 | * @since 2.9.0 |