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Source View: expiration_of_site_transient_{$transient}

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Line Code
1627       *
1628       * The dynamic portion of the hook name, `$transient`, refers to the transient name.
1629       *
1630       * @since 4.4.0
1631       *
1632       * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.
1633       * @param mixed  $value      New value of site transient.
1634       * @param string $transient  Transient name.
1635       */
1636      $expiration = apply_filters( 'expiration_of_site_transient_' . $transient, $expiration, $value, $transient );
1637
1638      if ( wp_using_ext_object_cache() ) {
1639           $result = wp_cache_set( $transient, $value, 'site-transient', $expiration );
1640      } else {
1641           $transient_timeout = '_site_transient_timeout_' . $transient;
1642           $option = '_site_transient_' . $transient;
1643           if ( false === get_site_option( $option ) ) {
1644                if ( $expiration )
1645                     add_site_option( $transient_timeout, time() + $expiration );