Wordpress Cron Job

wordpress-cron.php

<?php
namespace Kreativan;

if (!defined('ABSPATH')) {
  exit;
}

class CronJob {

  public function __construct($plugin_file) {
    // Schedule the event when the plugin/theme is activated
    register_activation_hook($plugin_file, [$this, 'activate']);

    // Schedule the event when the plugin/theme is deactivated
    register_deactivation_hook($plugin_file, [$this, 'deactivate']);

    // Schedule the cron job when the class is instantiated
    add_action('init', [$this, 'schedule_cron_job']);

    // Hook into the action to execute the cron job
    add_action('my_custom_job', [$this, 'my_custom_function']);
  }

  public function my_custom_function() {
    // Do Something
  }

  // Schedule the cron job
  public function schedule_cron_job() {
    if (!wp_next_scheduled('my_custom_job')) {
      wp_schedule_event(time(), 'weekly', 'my_custom_job');
    }
  }

  // Activate the cron job
  public function activate() {
    $this->schedule_cron_job();
  }

  // Deactivate the cron job
  public function deactivate() {
    wp_clear_scheduled_hook('my_custom_job');
  }
}