Source View: delete_site_transient_{$transient}

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1678      /**
1679       * Fires immediately before a specific site transient is deleted.
1680       *
1681       * The dynamic portion of the hook name, `$transient`, refers to the transient name.
1682       *
1683       * @since 3.0.0
1684       *
1685       * @param string $transient Transient name.
1686       */
1687      do_action( "delete_site_transient_{$transient}", $transient );
1688
1689      if ( wp_using_ext_object_cache() ) {
1690           $result = wp_cache_delete( $transient, 'site-transient' );
1691      } else {
1692           $option_timeout = '_site_transient_timeout_' . $transient;
1693           $option         = '_site_transient_' . $transient;
1694           $result         = delete_site_option( $option );
1695           if ( $result ) {
1696                delete_site_option( $option_timeout );