Heartbeat Setting
// Add a new setting in wp-admin > Settings > General add_action( ‘admin_init’, function() { register_setting( ‘general’, ‘custom_heartbeat_interval’, ‘intval’ ); add_settings_field( ‘custom_heartbeat_interval’, ‘Heartbeat Interval’, function() { $interval = get_option( ‘custom_heartbeat_interval’, 120 ); echo “ seconds”; }, ‘general’ ); }); add_filter(…Continue reading