pre_transient_(transient) filter-hook . WP 2.8.0

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 truthy value from the filter will effectively short-circuit retrieval and return the passed value instead.

Usage

add_filter( 'pre_transient_(transient)', 'filter_function_name_3817', 10, 2 );
function filter_function_name_3817( $pre_transient, $transient ){
	// filter...

	return $pre_transient;
}

$pre_transient(mixed)

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(string)

Transient name.

Changelog

Where the hook is called

$pre = apply_filters( "pre_transient_{$transient}", false, $transient );

Where in WP core the hook is used WordPress