# wordpress-seo/trunk/src/editors/framework/seo/keyphrase-interface.php

Yoast SEO – Advanced SEO with real-time guidance and built-in AI, version trunk. 15 lines.

- Page: https://pluginprobe.com/plugins/wordpress-seo/trunk/code/src/editors/framework/seo/keyphrase-interface.php
- Raw: https://pluginprobe.com/plugins/wordpress-seo/trunk/raw/src/editors/framework/seo/keyphrase-interface.php
- Modified: 2026-01-20T12:23:48+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/wordpress-seo/trunk/code/src/editors/framework/seo/keyphrase-interface.php#L10-L20`.

```php
<?php

// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong
namespace Yoast\WP\SEO\Editors\Framework\Seo;

interface Keyphrase_Interface {

	/**
	 * Counts the number of given keyphrase used for other posts other than the given post_id.
	 *
	 * @return array<string> The keyphrase and the associated posts that use it.
	 */
	public function get_focus_keyphrase_usage(): array;
}

```