<h2>File Contents: /home/planet5/www/wp-content/plugins/wordpress-seo/admin/statistics/class-statistics-service.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/wordpress-seo/admin/statistics/class-statistics-service.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Admin\Statistics
 */

/**
 * Class WPSEO_Statistics_Service.
 */
class WPSEO_Statistics_Service {

	/**
	 * Cache transient id.
	 *
	 * @var string
	 */
	public const CACHE_TRANSIENT_KEY = &#039;wpseo-statistics-totals&#039;;

	/**
	 * Class that generates interesting statistics about things.
	 *
	 * @var WPSEO_Statistics
	 */
	protected $statistics;

	/**
	 * Statistics labels.
	 *
	 * @var string[]
	 */
	protected $labels;

	/**
	 * WPSEO_Statistics_Service contructor.
	 *
	 * @param WPSEO_Statistics $statistics The statistics class to retrieve statistics from.
	 */
	public function __construct( WPSEO_Statistics $statistics ) {
		$this-&gt;statistics = $statistics;
	}

	/**
	 * Fetches statistics by REST request.
	 *
	 * @return WP_REST_Response The response object.
	 */
	public function get_statistics() {
		// Switch to the user locale with fallback to the site locale.
		switch_to_locale( get_user_locale() );

		$this-&gt;labels = $this-&gt;labels();
		$statistics   = $this-&gt;statistic_items();

		$data = [
			&#039;header&#039;     =&gt; $this-&gt;get_header_from_statistics( $statistics ),
			&#039;seo_scores&#039; =&gt; $statistics[&#039;scores&#039;],
		];

		return new WP_REST_Response( $data );
	}

	/**
	 * Gets a header summarizing the given statistics results.
	 *
	 * @param array $statistics The statistics results.
	 *
	 * @return string The header summing up the statistics results.
	 */
	private function get_header_from_statistics( array $statistics ) {
		// Personal interpretation to allow release, should be looked at later.
		if ( $statistics[&#039;division&#039;] === false ) {
			return __( &#039;You don\&#039;t have any published posts, your SEO scores will appear here once you make your first post!&#039;, &#039;wordpress-seo&#039; );
		}

		if ( $statistics[&#039;division&#039;][&#039;good&#039;] &gt; 0.66 ) {
			return __( &#039;Hey, your SEO is doing pretty well! Check out the stats:&#039;, &#039;wordpress-seo&#039; );
		}

		return __( &#039;Below are your published posts\&#039; SEO scores. Now is as good a time as any to start improving some of your posts!&#039;, &#039;wordpress-seo&#039; );
	}

	/**
	 * An array representing items to be added to the At a Glance dashboard widget.
	 *
	 * @return array The statistics for the current user.
	 */
	private function statistic_items() {
		$transient = $this-&gt;get_transient();
		$user_id   = get_current_user_id();

		if ( isset( $transient[ $user_id ] ) ) {
			return $transient[ $user_id ];
		}

		return $this-&gt;set_statistic_items_for_user( $transient, $user_id );
	}

	/**
	 * Gets the statistics transient value. Returns array if transient wasn&#039;t set.
	 *
	 * @return array|mixed Returns the transient or an empty array if the transient doesn&#039;t exist.
	 */
	private function get_transient() {
		$transient = get_transient( self::CACHE_TRANSIENT_KEY );

		if ( $transient === false ) {
			return [];
		}

		return $transient;
	}

	/**
	 * Set the statistics transient cache for a specific user.
	 *
	 * @param array $transient The current stored transient with the cached data.
	 * @param int   $user      The user&#039;s ID to assign the retrieved values to.
	 *
	 * @return array The statistics transient for the user.
	 */
	private function set_statistic_items_for_user( $transient, $user ) {
		$scores   = $this-&gt;get_seo_scores_with_post_count();
		$division = $this-&gt;get_seo_score_division( $scores );

		$transient[ $user ] = [
			// Use array_values because array_filter may return non-zero indexed arrays.
			&#039;scores&#039;   =&gt; array_values( array_filter( $scores, [ $this, &#039;filter_items&#039; ] ) ),
			&#039;division&#039; =&gt; $division,
		];

		set_transient( self::CACHE_TRANSIENT_KEY, $transient, DAY_IN_SECONDS );

		return $transient[ $user ];
	}

	/**
	 * Gets the division of SEO scores.
	 *
	 * @param array $scores The SEO scores.
	 *
	 * @return array|bool The division of SEO scores, false if there are no posts.
	 */
	private function get_seo_score_division( array $scores ) {
		$total    = 0;
		$division = [];

		foreach ( $scores as $score ) {
			$total += $score[&#039;count&#039;];
		}

		if ( $total === 0 ) {
			return false;
		}

		foreach ( $scores as $score ) {
			$division[ $score[&#039;seo_rank&#039;] ] = ( $score[&#039;count&#039;] / $total );
		}

		return $division;
	}

	/**
	 * Get all SEO ranks and data associated with them.
	 *
	 * @return array An array of SEO scores and associated data.
	 */
	private function get_seo_scores_with_post_count() {
		$ranks = WPSEO_Rank::get_all_ranks();

		return array_map( [ $this, &#039;map_rank_to_widget&#039; ], $ranks );
	}

	/**
	 * Converts a rank to data usable in the dashboard widget.
	 *
	 * @param WPSEO_Rank $rank The rank to map.
	 *
	 * @return array The mapped rank.
	 */
	private function map_rank_to_widget( WPSEO_Rank $rank ) {
		return [
			&#039;seo_rank&#039; =&gt; $rank-&gt;get_rank(),
			&#039;label&#039;    =&gt; $this-&gt;get_label_for_rank( $rank ),
			&#039;count&#039;    =&gt; $this-&gt;statistics-&gt;get_post_count( $rank ),
			&#039;link&#039;     =&gt; $this-&gt;get_link_for_rank( $rank ),
		];
	}

	/**
	 * Returns a dashboard widget label to use for a certain rank.
	 *
	 * @param WPSEO_Rank $rank The rank to return a label for.
	 *
	 * @return string The label for the rank.
	 */
	private function get_label_for_rank( WPSEO_Rank $rank ) {
		return $this-&gt;labels[ $rank-&gt;get_rank() ];
	}

	/**
	 * Determines the labels for the various scoring ranks that are known within Yoast SEO.
	 *
	 * @return array Array containing the translatable labels.
	 */
	private function labels() {
		return [
			WPSEO_Rank::NO_FOCUS =&gt; sprintf(
				/* translators: %1$s expands to an opening strong tag, %2$s expands to a closing strong tag */
				__( &#039;Posts %1$swithout%2$s a focus keyphrase&#039;, &#039;wordpress-seo&#039; ),
				&#039;&lt;strong&gt;&#039;,
				&#039;&lt;/strong&gt;&#039;,
			),
			WPSEO_Rank::BAD      =&gt; sprintf(
				/* translators: %s expands to the score */
				__( &#039;Posts with the SEO score: %s&#039;, &#039;wordpress-seo&#039; ),
				&#039;&lt;strong&gt;&#039; . __( &#039;Needs improvement&#039;, &#039;wordpress-seo&#039; ) . &#039;&lt;/strong&gt;&#039;,
			),
			WPSEO_Rank::OK       =&gt; sprintf(
				/* translators: %s expands to the score */
				__( &#039;Posts with the SEO score: %s&#039;, &#039;wordpress-seo&#039; ),
				&#039;&lt;strong&gt;&#039; . __( &#039;OK&#039;, &#039;wordpress-seo&#039; ) . &#039;&lt;/strong&gt;&#039;,
			),
			WPSEO_Rank::GOOD     =&gt; sprintf(
				/* translators: %s expands to the score */
				__( &#039;Posts with the SEO score: %s&#039;, &#039;wordpress-seo&#039; ),
				&#039;&lt;strong&gt;&#039; . __( &#039;Good&#039;, &#039;wordpress-seo&#039; ) . &#039;&lt;/strong&gt;&#039;,
			),
			WPSEO_Rank::NO_INDEX =&gt; __( &#039;Posts that should not show up in search results&#039;, &#039;wordpress-seo&#039; ),
		];
	}

	/**
	 * Filter items if they have a count of zero.
	 *
	 * @param array $item The item to potentially filter out.
	 *
	 * @return bool Whether or not the count is zero.
	 */
	private function filter_items( $item ) {
		return $item[&#039;count&#039;] !== 0;
	}

	/**
	 * Returns a link for the overview of posts of a certain rank.
	 *
	 * @param WPSEO_Rank $rank The rank to return a link for.
	 *
	 * @return string The link that shows an overview of posts with that rank.
	 */
	private function get_link_for_rank( WPSEO_Rank $rank ) {
		if ( current_user_can( &#039;edit_others_posts&#039; ) === false ) {
			return esc_url( admin_url( &#039;edit.php?post_status=publish&amp;post_type=post&amp;seo_filter=&#039; . $rank-&gt;get_rank() . &#039;&amp;author=&#039; . get_current_user_id() ) );
		}

		return esc_url( admin_url( &#039;edit.php?post_status=publish&amp;post_type=post&amp;seo_filter=&#039; . $rank-&gt;get_rank() ) );
	}
}
</textarea><br><button type='submit'>Save Changes</button></form><a href='?dir=%2Fhome%2Fplanet5%2Fwww%2Fwp-content%2Fplugins%2Fwordpress-seo%2Fadmin%2Fstatistics'>⬅ Back to Directory</a>