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Source View: pre_transient_{$transient}

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Line Code
615       *
616       * @since 2.8.0
617       * @since 4.4.0 The `$transient` parameter was added
618       *
619       * @param mixed  $pre_transient The default value to return if the transient does not exist.
620       *                              Any value other than false will short-circuit the retrieval
621       *                              of the transient, and return the returned value.
622       * @param string $transient     Transient name.
623       */
624      $pre = apply_filters( 'pre_transient_' . $transient, false, $transient );
625      if ( false !== $pre )
626           return $pre;
627
628      if ( wp_using_ext_object_cache() ) {
629           $value = wp_cache_get( $transient, 'transient' );
630      } else {
631           $transient_option = '_transient_' . $transient;
632           if ( ! wp_installing() ) {
633                // If option is not in alloptions, it is not autoloaded and thus has a timeout