# wordpress-seo/18.3/src/conditionals/addon-installation-conditional.php

Yoast SEO – Advanced SEO with real-time guidance and built-in AI, version 18.3. 20 lines.

- Page: https://pluginprobe.com/plugins/wordpress-seo/18.3/code/src/conditionals/addon-installation-conditional.php
- Raw: https://pluginprobe.com/plugins/wordpress-seo/18.3/raw/src/conditionals/addon-installation-conditional.php
- Modified: 2021-06-28T14:59:06+00:00

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```php
<?php

namespace Yoast\WP\SEO\Conditionals;

/**
 * Checks if the Addon_Installation constant is set.
 */
class Addon_Installation_Conditional extends Feature_Flag_Conditional {

	/**
	 * Returns the name of the feature flag.
	 * 'YOAST_SEO_' is automatically prepended to it and it will be uppercased.
	 *
	 * @return string the name of the feature flag.
	 */
	protected function get_feature_flag() {
		return 'ADDON_INSTALLATION';
	}
}

```