expiration_of_transient_(transient) filter-hook . WP 4.4.0

Filters the expiration for a transient before its value is set.

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

Usage

add_filter( 'expiration_of_transient_(transient)', 'filter_function_name_9780', 10, 3 );
function filter_function_name_9780( $expiration, $value, $transient ){
	// filter...

	return $expiration;
}

$expiration(int)

Time until expiration in seconds. Use 0 for no expiration.

$value(mixed)

New value of transient.

$transient(string)

Transient name.

Where the hook is called

$expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient );

Where the hook is used (in WP core)