# image-optimization/1.7.4/classes/async-operation/async-operation-queue.php

Image Optimizer – Compress Images and Convert to WebP or AVIF, version 1.7.4. 19 lines.

- Page: https://pluginprobe.com/plugins/image-optimization/1.7.4/code/classes/async-operation/async-operation-queue.php
- Raw: https://pluginprobe.com/plugins/image-optimization/1.7.4/raw/classes/async-operation/async-operation-queue.php
- Modified: 2025-04-10T10:45:10+00:00

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```php
<?php

namespace ImageOptimization\Classes\Async_Operation;

use ImageOptimization\Classes\Basic_Enum;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

final class Async_Operation_Queue extends Basic_Enum {
	public const OPTIMIZE = 'image-optimization/optimize';
	public const BACKUP = 'image-optimization/backup';
	public const RESTORE = 'image-optimization/restore';
	public const STATS = 'image-optimization/stats';
	public const MIGRATION = 'image-optimization/migration';
	public const CLEANUP = 'image-optimization/cleanup';
}

```