Removed crons on uninstallation

uninstall.php

@@ -32,3 +32,53 @@
 delete_option( 'feedzy_fresh_install' );
 delete_option( 'feedzy_wizard_data' );
 delete_option( 'feedzy_usage' );
+
+/**
+ * Clear scheduled hook.
+ *
+ * @param string $hook The name of the hook to clear.
+ * @param array  $args Optional. Arguments that were to be passed to the hook's callback function. Default empty array.
+ * @return mixed The scheduled action ID if a scheduled action was found, or null if no matching action found. If WP_Cron is used, on success an integer indicating number of events unscheduled, false or WP_Error if unscheduling one or more events fail.
+ */
+function clear_scheduled_hook( $hook, $args = array() ) {
+	if ( function_exists( 'as_unschedule_all_actions' ) ) {
+		return as_unschedule_all_actions( $hook, $args );
+	}
+
+	return wp_clear_scheduled_hook( $hook, $args );
+}
+
+clear_scheduled_hook( 'feedzy_rss_feeds_log_activity' );
+
+clear_scheduled_hook( 'feedzy_cron' );
+
+clear_scheduled_hook( 'task_feedzy_cleanup_logs' );
+
+clear_scheduled_hook( 'task_feedzy_send_error_report' );
+
+// Remove import jobs based cron jobs.
+$import_job_crons = get_posts(
+	array(
+		'post_type'   => 'feedzy_imports',
+		'post_status' => 'publish',
+		'numberposts' => 99,
+		'fields'      => 'ids',
+		// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
+		'meta_query'  => array(
+			'relation' => 'AND',
+			array(
+				'key'     => 'fz_cron_schedule',
+				'compare' => 'EXISTS',
+			),
+		),
+	)
+);
+
+
+if ( ! empty( $import_job_crons ) ) {
+
+	foreach ( $import_job_crons as $job_id ) {
+		$fz_cron_schedule = get_post_meta( $job_id, 'fz_cron_schedule', true );
+		clear_scheduled_hook( 'feedzy_cron', array( 100, $job_id ) );
+	}
+}