Snippet to update WordPress plugins automatically

auto-update.php

<?php

function pda_auto_update_specific_plugins ( $update, $item ) {
    $plugins = array ( 
        'wp-pda-ip-block',
        'pda-membership-integration',
    );
    if ( in_array( $item->slug, $plugins ) ) {
        return true; // We can add more control logic here, for example only update in the specific version
    } else {
        return $update; 
    }
}
add_filter( 'auto_update_plugin', 'pda_auto_update_specific_plugins', 10, 2 );

?>