Filters the value of an existing transient before it is retrieved.

Description

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.

Parameters

$pre_transientmixed

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.

$transientstring

Transient name.

Source

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

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