pre_transient_(transient)
Filters the value of an existing transient before it is retrieved.
The dynamic portion of the hook name, $transient, refers to the transient name.
Returning a value other than false from the filter will short-circuit retrieval and return that value instead.
Использование
add_filter( 'pre_transient_(transient)', 'wp_kama_pre_transient_filter', 10, 2 ); /** * Function for `pre_transient_(transient)` filter-hook. * * @param mixed $pre_transient The default value to return if the transient does not exist. Any value other than false will short-circuit the retrieval of the transient, and return that value. * @param string $transient Transient name. * * @return mixed */ function wp_kama_pre_transient_filter( $pre_transient, $transient ){ // filter... return $pre_transient; }
- $pre_transient(разное)
- The default value to return if the transient does not exist. Any value other than false will short-circuit the retrieval of the transient, and return that value.
- $transient(строка)
- Transient name.
Список изменений
С версии 2.8.0 | Введена. |
С версии 4.4.0 | The $transient parameter was added |
Где вызывается хук
pre_transient_(transient)
wp-includes/option.php 1440
$pre = apply_filters( "pre_transient_{$transient}", false, $transient );