WordPress at a glance
action is not described

set_transient_(transient) action-hook . WP 3.0.0

Fires after the value for a specific transient has been set.

The dynamic portion of the hook name, $transient, refers to the transient name.


add_action( 'set_transient_(transient)', 'action_function_name_1517', 10, 3 );
function action_function_name_1517( $value, $expiration, $transient ){
	// action...
Transient value.
Time until expiration in seconds.
The name of the transient.


  • Since 3.6.0 The $value and $expiration parameters were added.
  • Since 4.4.0 The $transient parameter was added.

Where the hook is called

wp-includes/option.php 802
do_action( "set_transient_{$transient}", $value, $expiration, $transient );

Where the hook is used (in WP core)

Does not used.