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258 lines
7.1 KiB
258 lines
7.1 KiB
<?php |
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/** |
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* WPSEO plugin file. |
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* |
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* @package WPSEO\Admin\Statistics |
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*/ |
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/** |
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* Class WPSEO_Statistics_Service. |
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*/ |
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class WPSEO_Statistics_Service { |
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/** |
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* Cache transient id. |
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* |
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* @var string |
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*/ |
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const CACHE_TRANSIENT_KEY = 'wpseo-statistics-totals'; |
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/** |
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* Class that generates interesting statistics about things. |
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* |
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* @var WPSEO_Statistics |
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*/ |
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protected $statistics; |
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/** |
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* Statistics labels. |
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* |
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* @var string[] |
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*/ |
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protected $labels; |
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/** |
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* WPSEO_Statistics_Service contructor. |
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* |
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* @param WPSEO_Statistics $statistics The statistics class to retrieve statistics from. |
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*/ |
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public function __construct( WPSEO_Statistics $statistics ) { |
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$this->statistics = $statistics; |
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} |
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/** |
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* Fetches statistics by REST request. |
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* |
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* @return WP_REST_Response The response object. |
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*/ |
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public function get_statistics() { |
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// Switch to the user locale with fallback to the site locale. |
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switch_to_locale( WPSEO_Language_Utils::get_user_locale() ); |
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$this->labels = $this->labels(); |
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$statistics = $this->statistic_items(); |
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$data = array( |
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'header' => $this->get_header_from_statistics( $statistics ), |
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'seo_scores' => $statistics['scores'], |
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); |
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return new WP_REST_Response( $data ); |
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} |
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/** |
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* Gets a header summarizing the given statistics results. |
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* |
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* @param array $statistics The statistics results. |
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* |
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* @return string The header summing up the statistics results. |
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*/ |
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private function get_header_from_statistics( array $statistics ) { |
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// Personal interpretation to allow release, should be looked at later. |
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if ( $statistics['division'] === false ) { |
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return __( 'You don\'t have any published posts, your SEO scores will appear here once you make your first post!', 'wordpress-seo' ); |
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} |
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if ( $statistics['division']['good'] > 0.66 ) { |
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return __( 'Hey, your SEO is doing pretty well! Check out the stats:', 'wordpress-seo' ); |
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} |
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return __( 'Below are your published posts\' SEO scores. Now is as good a time as any to start improving some of your posts!', 'wordpress-seo' ); |
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} |
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/** |
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* An array representing items to be added to the At a Glance dashboard widget. |
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* |
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* @return array The statistics for the current user. |
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*/ |
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private function statistic_items() { |
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$transient = $this->get_transient(); |
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$user_id = get_current_user_id(); |
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if ( isset( $transient[ $user_id ] ) ) { |
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return $transient[ $user_id ]; |
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} |
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return $this->set_statistic_items_for_user( $transient, $user_id ); |
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} |
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/** |
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* Gets the statistics transient value. Returns array if transient wasn't set. |
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* |
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* @return array|mixed Returns the transient or an empty array if the transient doesn't exist. |
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*/ |
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private function get_transient() { |
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$transient = get_transient( self::CACHE_TRANSIENT_KEY ); |
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if ( $transient === false ) { |
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return array(); |
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} |
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return $transient; |
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} |
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/** |
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* Set the statistics transient cache for a specific user. |
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* |
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* @param array $transient The current stored transient with the cached data. |
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* @param int $user The user's ID to assign the retrieved values to. |
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* |
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* @return array The statistics transient for the user. |
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*/ |
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private function set_statistic_items_for_user( $transient, $user ) { |
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$scores = $this->get_seo_scores_with_post_count(); |
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$division = $this->get_seo_score_division( $scores ); |
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$transient[ $user ] = array( |
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// Use array_values because array_filter may return non-zero indexed arrays. |
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'scores' => array_values( array_filter( $scores, array( $this, 'filter_items' ) ) ), |
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'division' => $division, |
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); |
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set_transient( self::CACHE_TRANSIENT_KEY, $transient, DAY_IN_SECONDS ); |
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return $transient[ $user ]; |
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} |
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/** |
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* Gets the division of SEO scores. |
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* |
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* @param array $scores The SEO scores. |
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* |
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* @return array|bool The division of SEO scores, false if there are no posts. |
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*/ |
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private function get_seo_score_division( array $scores ) { |
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$total = 0; |
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$division = array(); |
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foreach ( $scores as $score ) { |
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$total += $score['count']; |
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} |
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if ( $total === 0 ) { |
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return false; |
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} |
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foreach ( $scores as $score ) { |
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$division[ $score['seo_rank'] ] = ( $score['count'] / $total ); |
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} |
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return $division; |
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} |
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/** |
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* Get all SEO ranks and data associated with them. |
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* |
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* @return array An array of SEO scores and associated data. |
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*/ |
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private function get_seo_scores_with_post_count() { |
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$ranks = WPSEO_Rank::get_all_ranks(); |
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return array_map( array( $this, 'map_rank_to_widget' ), $ranks ); |
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} |
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/** |
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* Converts a rank to data usable in the dashboard widget. |
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* |
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* @param WPSEO_Rank $rank The rank to map. |
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* |
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* @return array The mapped rank. |
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*/ |
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private function map_rank_to_widget( WPSEO_Rank $rank ) { |
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return array( |
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'seo_rank' => $rank->get_rank(), |
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'label' => $this->get_label_for_rank( $rank ), |
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'count' => $this->statistics->get_post_count( $rank ), |
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'link' => $this->get_link_for_rank( $rank ), |
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); |
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} |
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/** |
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* Returns a dashboard widget label to use for a certain rank. |
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* |
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* @param WPSEO_Rank $rank The rank to return a label for. |
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* |
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* @return string The label for the rank. |
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*/ |
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private function get_label_for_rank( WPSEO_Rank $rank ) { |
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return $this->labels[ $rank->get_rank() ]; |
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} |
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/** |
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* Determines the labels for the various scoring ranks that are known within Yoast SEO. |
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* |
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* @return array Array containing the translatable labels. |
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*/ |
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private function labels() { |
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return array( |
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WPSEO_Rank::NO_FOCUS => sprintf( |
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/* translators: %1$s expands to an opening strong tag, %2$s expands to a closing strong tag */ |
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__( 'Posts %1$swithout%2$s a focus keyphrase', 'wordpress-seo' ), |
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'<strong>', |
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'</strong>' |
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), |
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WPSEO_Rank::BAD => sprintf( |
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/* translators: %s expands to the score */ |
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__( 'Posts with the SEO score: %s', 'wordpress-seo' ), |
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'<strong>' . __( 'Needs improvement', 'wordpress-seo' ) . '</strong>' |
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), |
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WPSEO_Rank::OK => sprintf( |
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/* translators: %s expands to the score */ |
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__( 'Posts with the SEO score: %s', 'wordpress-seo' ), |
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'<strong>' . __( 'OK', 'wordpress-seo' ) . '</strong>' |
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), |
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WPSEO_Rank::GOOD => sprintf( |
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/* translators: %s expands to the score */ |
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__( 'Posts with the SEO score: %s', 'wordpress-seo' ), |
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'<strong>' . __( 'Good', 'wordpress-seo' ) . '</strong>' |
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), |
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WPSEO_Rank::NO_INDEX => __( 'Posts that should not show up in search results', 'wordpress-seo' ), |
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); |
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} |
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/** |
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* Filter items if they have a count of zero. |
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* |
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* @param array $item The item to potentially filter out. |
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* |
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* @return bool Whether or not the count is zero. |
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*/ |
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private function filter_items( $item ) { |
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return $item['count'] !== 0; |
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} |
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/** |
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* Returns a link for the overview of posts of a certain rank. |
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* |
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* @param WPSEO_Rank $rank The rank to return a link for. |
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* |
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* @return string The link that shows an overview of posts with that rank. |
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*/ |
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private function get_link_for_rank( WPSEO_Rank $rank ) { |
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if ( current_user_can( 'edit_others_posts' ) === false ) { |
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return esc_url( admin_url( 'edit.php?post_status=publish&post_type=post&seo_filter=' . $rank->get_rank() . '&author=' . get_current_user_id() ) ); |
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} |
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return esc_url( admin_url( 'edit.php?post_status=publish&post_type=post&seo_filter=' . $rank->get_rank() ) ); |
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} |
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}
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