wp: do not update specific plugin (handy when it's modified)

gistfile1.txt

add_filter( 'http_request_args', 'eshop_prevent_update_check', 10, 2 );
function eshop_prevent_update_check( $r, $url ) 
{
    if ( false !== strpos( $url, 'api.wordpress.org/plugins/update-check/' ) ) {
        $my_plugin = plugin_basename( __FILE__ );
        $plugins = unserialize( $r['body']['plugins'] );
        unset( $plugins->plugins[$my_plugin] );
        unset( $plugins->active[array_search( $my_plugin, $plugins->active )] );
        $r['body']['plugins'] = serialize( $plugins );
    }
    return $r;
}