after_mu_upgrade

This action is documented in wp-admin/network/upgrade.php.

Description

do_action( 'after_mu_upgrade', (array|WP_Error) $response ); 

Parameters (1)

0. $response (array|WP_Error)

The upgrade response array or WP_Error on failure.

Usage

To run the hook, copy the example below.

// run the action 
do_action( 'after_mu_upgrade', $response ); 

The following example is for adding a hook callback.

// define the after_mu_upgrade callback 
function action_after_mu_upgrade( $response ) { 
    // make action magic happen here... 
}; 
         
// add the action 
add_action( 'after_mu_upgrade', 'action_after_mu_upgrade', 10, 1 ); 

To remove a hook callback, use the example below.

// remove the action 
remove_action( 'after_mu_upgrade', 'action_after_mu_upgrade', 10, 1 );