Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
$schedules WordPress cron schedules array
* @return array Modified schedules array with additional schedules
*/
public function add_schedules( $schedules = [] ) {
// Adds once weekly to the existing schedules.
$schedules['weekly'] = [
'interval' => 604800,
'display' => __( 'Once Weekly', 'popup-maker' ),
];
return $schedules;
}
/**
* Schedules all recurring cron events.
*
* Initializes both weekly and daily scheduled events for the plugin.
*
* @return void
*/
public function schedule_events() {
$this->weekly_events();
$this->daily_events();
}
/**
* Schedule weekly recurring events.