Automated backup strategies in Wordpress - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to schedule a daily backup using WordPress cron.

Wordpress

if ( ! wp_next_scheduled( '[1]' ) ) {
    wp_schedule_event( time(), 'daily', 'my_backup_event' );
}

Drag options to blanks, or click blank then click option'

Amy_backup_event

Bdaily_backup

Cbackup_daily

Dbackup_event

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different event name in wp_next_scheduled than in wp_schedule_event.

Forgetting to check if the event is already scheduled.

The function wp_next_scheduled checks if the event 'my_backup_event' is already scheduled to avoid duplicates.

2fill in blank

medium

Complete the code to hook the backup function to the scheduled event.

Wordpress

add_action( '[1]', 'perform_backup' );

Drag options to blanks, or click blank then click option'

Amy_backup_event

Bbackup_daily

Cdaily_backup

Dbackup_event

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different event name in add_action than the scheduled event.

Misspelling the event name.

The hook name must match the event name scheduled with wp_schedule_event.

3fill in blank

hard

Fix the error in the backup function to properly save the backup file.

Wordpress

function perform_backup() {
    $backup_file = WP_CONTENT_DIR . '/backups/backup-' . date('Y-m-d') . '.zip';
    $result = [1]( $backup_file );
}

Drag options to blanks, or click blank then click option'

Acopy

Bzip_backup

Cwp_mkdir_p

Dfile_put_contents

Attempts:

3 left

💡 Hint

Common Mistakes

Using copy or file_put_contents which do not create backups.

Using wp_mkdir_p which only creates directories.

The function zip_backup is a placeholder for the actual backup creation logic that creates a zip file.

4fill in blank

hard

Fill both blanks to register a custom cron schedule and use it for backups.

Wordpress

add_filter( 'cron_schedules', function( $schedules ) {
    $schedules['[1]'] = [
        'interval' => [2],
        'display'  => 'Every 6 hours'
    ];
    return $schedules;
});

Drag options to blanks, or click blank then click option'

Asix_hours

B21600

C3600

Dhourly

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'hourly' which is a default schedule, not custom.

Using incorrect interval values.

The custom schedule name is 'six_hours' and the interval is 21600 seconds (6 hours).

5fill in blank

hard

Fill all three blanks to unschedule the backup event correctly.

Wordpress

$timestamp = wp_next_scheduled( '[1]' );
if ( $timestamp ) {
    wp_unschedule_event( $timestamp, '[2]' );
    wp_clear_scheduled_hook( '[3]' );
}

Drag options to blanks, or click blank then click option'

Amy_backup_event

Bbackup_event

Ddaily_backup

Attempts:

3 left

💡 Hint

Common Mistakes

Using different event names in unscheduling functions.

Forgetting to clear the scheduled hook.

All references must use the exact event name 'my_backup_event' to unschedule and clear the hook properly.