Filters the expiration for a transient before its value is set.
$expirationint$valuemixed$transientstringwp-includes/option.php:1539set_transient() * @since 4.4.0 * * @param int $expiration Time until expiration in seconds. Use 0 for no expiration. * @param mixed $value New value of transient. * @param string $transient Transient name. */ $expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient ); if ( wp_using_ext_object_cache() || wp_installing() ) { $result = wp_cache_set( $transient, $value, 'transient', $expiration ); } else { $transient_timeout = '_transient_timeout_' . $transient; $transient_option = '_transient_' . $transient;Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.