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654 lines
16 KiB
PHP
654 lines
16 KiB
PHP
<?php
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/**
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* The SEO Analyzer class runs the tests and handles the results.
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*
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* @since 0.9.0
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* @package RankMath
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* @subpackage RankMath\SEO_Analysis
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath\SEO_Analysis;
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use RankMath\Traits\Ajax;
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use RankMath\Traits\Hooker;
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use RankMath\Helpers\Security;
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use RankMath\Helpers\Param;
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use RankMath\Helper;
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defined( 'ABSPATH' ) || exit;
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/**
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* SEO_Analyzer class.
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*/
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class SEO_Analyzer {
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use Ajax, Hooker;
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/**
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* Rank Math SEO Checkup API.
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*
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* @var string
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*/
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private $api_url = '';
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/**
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* URL to analyze.
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*
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* @var string
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*/
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public $analyse_url = '';
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/**
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* Sub-page URL to analyze.
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*
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* @var string
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*/
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public $analyse_subpage = false;
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/**
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* Hold analysis results.
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*
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* @var null|array
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*/
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public $results = null;
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/**
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* Hold analysis result date.
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*
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* @var mixed
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*/
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public $results_date = null;
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/**
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* Hold any api error.
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*
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* @var array
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*/
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private $api_error = '';
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/**
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* Hold local test data.
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*
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* @var array
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*/
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private $local_tests = [];
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/**
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* The constructor.
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*/
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public function __construct() {
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$this->analyse_url = home_url();
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$this->action( 'init', 'set_url' );
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$this->maybe_clear_storage();
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$this->ajax( 'analyze', 'analyze_me' );
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$this->ajax( 'enable_auto_update', 'enable_auto_update' );
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}
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/**
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* Set URL and other properties on init.
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*
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* @return void
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*/
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public function set_url() {
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update_option( 'rank_math_viewed_seo_analyer', true, false ); // Code to update the viewed value to remove the New label.
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$this->api_url = $this->do_filter( 'seo_analysis/api_endpoint', 'https://rankmath.com/analyze/v2/json/' );
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if ( ! empty( $_REQUEST['u'] ) && $this->is_allowed_url( Param::request( 'u' ) ) ) { // phpcs:ignore
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$this->analyse_url = esc_url_raw( Param::request( 'u' ) );
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$this->analyse_subpage = true;
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}
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/**
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* Action: 'rank_math/seo_analysis/after_set_url' - Fires after setting the URL.
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*/
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$this->do_action( 'seo_analysis/after_set_url', $this );
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if ( $this->analyse_subpage ) {
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return;
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}
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$this->get_results_from_storage();
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$this->local_tests = $this->do_filter( 'seo_analysis/tests', [] );
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}
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/**
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* Output results.
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*/
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public function display() {
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if ( empty( $this->results ) ) {
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return;
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}
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?>
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<?php $this->display_graphs(); ?>
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<?php $this->display_result_filters(); ?>
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<div class="rank-math-result-tables rank-math-box">
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<?php $this->display_results(); ?>
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</div>
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<?php
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}
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/**
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* Show buttons to filter results: All, Passed Tests, Warnings, Failed Tests.
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* Also show the number of tests in each category.
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*/
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private function display_result_filters() {
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$data = $this->get_graph_metrices();
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extract( $data ); // phpcs:ignore
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?>
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<div id="analysis-result" class="rank-math-result-filters">
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<a href="#all" class="rank-math-result-filter rank-math-result-filter-all active" data-filter="all" data-count="<?php echo esc_attr( $total ); ?>">
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<?php esc_html_e( 'All', 'rank-math' ); ?>
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<span class="rank-math-result-filter-count"><?php echo esc_html( $total ); ?></span>
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</a>
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<a href="#passed" class="rank-math-result-filter rank-math-result-filter-passed" data-filter="ok" data-count="<?php echo esc_attr( $statuses['ok'] ); ?>">
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<?php esc_html_e( 'Passed Tests', 'rank-math' ); ?>
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<span class="rank-math-result-filter-count"><?php echo esc_html( $statuses['ok'] ); ?></span>
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</a>
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<a href="#warning" class="rank-math-result-filter rank-math-result-filter-warnings" data-filter="warning" data-count="<?php echo esc_attr( $statuses['warning'] ); ?>">
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<?php esc_html_e( 'Warnings', 'rank-math' ); ?>
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<span class="rank-math-result-filter-count"><?php echo esc_html( $statuses['warning'] ); ?></span>
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</a>
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<a href="#failed" class="rank-math-result-filter rank-math-result-filter-failed" data-filter="fail" data-count="<?php echo esc_attr( $statuses['fail'] ); ?>">
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<?php esc_html_e( 'Failed Tests', 'rank-math' ); ?>
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<span class="rank-math-result-filter-count"><?php echo esc_html( $statuses['fail'] ); ?></span>
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</a>
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</div>
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<?php
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}
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/**
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* Output graphs.
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*/
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private function display_graphs() {
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$data = $this->get_graph_metrices();
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extract( $data ); // phpcs:ignore
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include dirname( __FILE__ ) . '/views/graphs.php';
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}
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/**
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* Output the SERP Preview.
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*/
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public function display_serp_preview() {
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include dirname( __FILE__ ) . '/views/serp-preview.php';
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}
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/**
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* Get graph metrices.
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*
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* @return array
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*/
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private function get_graph_metrices() {
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$total = 0;
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$percent = 0;
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$total_score = 0;
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$statuses = [
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'ok' => 0,
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'fail' => 0,
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'info' => 0,
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'warning' => 0,
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];
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foreach ( $this->results as $id => $result ) {
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if ( false === $this->can_count_result( $result ) ) {
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continue;
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}
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if ( $result->is_hidden() ) {
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continue;
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}
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$statuses[ $result->get_status() ]++;
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$total++;
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$total_score = $total_score + $result->get_score();
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if ( 'ok' !== $result->get_status() ) {
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continue;
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}
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$percent = $percent + $result->get_score();
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}
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$percent = round( ( $percent / $total_score ) * 100 );
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$grade = $this->get_graph_grade( $percent );
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return compact( 'total', 'percent', 'statuses', 'grade' );
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}
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/**
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* Can count result.
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*
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* @param Result $result Result instance.
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*
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* @return bool
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*/
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private function can_count_result( $result ) {
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return ( ! is_object( $result ) || 'info' === $result->get_status() || $result->is_excluded() ) ? false : true;
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}
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/**
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* Format grade result.
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*
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* @param int $percent Total percentage.
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*
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* @return string
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*/
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private function get_graph_grade( $percent ) {
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if ( $percent < 70 ) {
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return 'average';
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}
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if ( $percent < 50 ) {
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return 'bad';
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}
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return 'good';
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}
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/**
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* Output results in tables.
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*/
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private function display_results() {
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foreach ( $this->sort_results_by_category() as $category => $results ) :
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$label = $this->get_category_label( $category );
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?>
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<div class="rank-math-result-table rank-math-result-category-<?php echo esc_attr( $category ); ?> <?php echo esc_attr( $this->get_status_class( $results ) ); ?>">
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<div class="category-title">
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<?php echo $label; // phpcs:ignore ?>
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</div>
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<?php foreach ( $results as $result ) : ?>
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<div class="table-row rank-math-result-status-<?php echo esc_attr( $result->get_status() ); ?>" data-status="<?php echo esc_attr( $result->get_status() ); ?>">
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<?php echo $result; // phpcs:ignore ?>
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</div>
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<?php endforeach; ?>
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</div>
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<?php
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endforeach;
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}
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/**
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* Get class for the result category wrapper element.
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* This is needed for the filter buttons.
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*
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* @param array $results Results array.
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*
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* @return string
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*/
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private function get_status_class( $results ) {
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$status_classes = [];
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foreach ( $results as $result ) {
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if ( false === $this->can_count_result( $result ) ) {
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continue;
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}
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if ( $result->is_hidden() ) {
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continue;
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}
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$status_classes[] = $result->get_status();
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}
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$status_class = implode(
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' ',
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array_map(
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function( $status ) {
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return 'rank-math-result-statuses-' . $status;
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},
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array_unique( $status_classes )
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)
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);
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return $status_class;
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}
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/**
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* Get result from storage.
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*
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* @param string $option Option name.
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*/
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public function get_results_from_storage( $option = 'rank_math_seo_analysis' ) {
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if ( ! is_null( $this->results ) ) {
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return;
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}
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$this->results = get_option( $option . '_results' );
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$this->results_date = get_option( $option . '_date' );
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$url = get_option( $option . '_url' );
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if ( false !== $url ) {
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$this->analyse_url = $url;
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}
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$this->build_results();
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}
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/**
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* Return formatted date.
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*/
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public function get_last_checked_date() {
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if ( ! $this->results_date ) {
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return;
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}
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$date = date_i18n( get_option( 'date_format' ), $this->results_date );
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$time = date_i18n( get_option( 'time_format' ), $this->results_date );
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// translators: 1: Date, 2: Time.
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return '<span>' . esc_attr__( 'Last checked:', 'rank-math' ) . '</span> ' . sprintf( esc_html__( '%1$s at %2$s', 'rank-math' ), $date, $time );
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}
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/**
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* Clear stored results if needed.
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*/
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private function maybe_clear_storage() {
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if ( '1' === Param::request( 'clear_results' ) ) {
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delete_option( 'rank_math_seo_analysis_results' );
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delete_option( 'rank_math_seo_analysis_date' );
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Helper::redirect( Security::remove_query_arg_raw( 'clear_results' ) );
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exit;
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}
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}
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/**
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* Convert result into object.
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*/
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private function build_results() {
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if ( ! is_array( $this->results ) ) {
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return;
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}
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$this->move_priority_results_to_top();
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foreach ( $this->results as $id => $result ) {
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$this->results[ $id ] = new Result( $id, $result, $this->analyse_subpage );
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}
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}
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/**
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* Move all tests in "priority" category to top.
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*/
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private function move_priority_results_to_top() {
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$priority = [];
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foreach ( $this->results as $id => $result ) {
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if ( is_array( $result ) && 'priority' === $result['category'] ) {
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$priority[ $id ] = $result;
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unset( $this->results[ $id ] );
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}
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}
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$this->results = array_replace( $priority, $this->results );
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}
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/**
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* Analyze page.
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*/
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public function analyze_me() {
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$success = true;
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$directory = dirname( __FILE__ );
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check_ajax_referer( 'rank-math-ajax-nonce', 'security' );
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$this->has_cap_ajax( 'site_analysis' );
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if ( ! $this->analyse_subpage ) {
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delete_option( 'rank_math_seo_analysis_results' );
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delete_option( 'rank_math_seo_analysis_date' );
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}
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if ( ! $this->run_api_tests() ) {
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/* translators: API error */
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echo '<div class="notice notice-error is-dismissible notice-seo-analysis-error rank-math-notice"><p>' . sprintf( __( '<strong>API Error:</strong> %s', 'rank-math' ), $this->api_error ) . '</p></div>'; // phpcs:ignore
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$success = false;
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die;
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}
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if ( ! $this->analyse_subpage ) {
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$this->run_local_tests();
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update_option( 'rank_math_seo_analysis_results', $this->results, false );
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update_option( 'rank_math_seo_analysis_date', time(), false );
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}
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/**
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* Action: 'rank_math/seo_analysis/after_analyze' - Fires after the SEO analysis is done.
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*/
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$this->do_action( 'seo_analysis/after_analyze', $this );
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$this->build_results();
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$this->display();
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die;
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}
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/**
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* Get page score.
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*
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* @param string $url Url to get score for.
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*
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* @return int
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*/
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public function get_page_score( $url ) {
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$this->analyse_url = $url;
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$this->analyse_subpage = true;
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if ( ! $this->run_api_tests() ) {
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error_log( __( 'Rank Math SEO Analyzer error: ', 'rank-math' ) . $this->api_error ); // phpcs:ignore
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return 0;
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}
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$this->build_results();
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if ( empty( $this->results ) ) {
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return 0;
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}
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$total = 0;
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foreach ( $this->results as $id => $result ) {
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if (
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$result->is_hidden() ||
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'ok' !== $result->get_status() ||
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false === $this->can_count_result( $result )
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) {
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continue;
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}
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$total = $total + $result->get_score();
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}
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return $total;
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}
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/**
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* Ajax handler for the Enable auto update button.
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*/
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public function enable_auto_update() {
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check_ajax_referer( 'rank-math-ajax-nonce', 'security' );
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$this->has_cap_ajax( 'general' );
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$this->enable_auto_update_in_stored_data();
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Helper::toggle_auto_update_setting( 'on' );
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echo '1';
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die;
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}
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/**
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* Update the auto update value in the stored results.
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*/
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public function enable_auto_update_in_stored_data() {
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$results = get_option( 'rank_math_seo_analysis_results' );
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if ( ! isset( $results['auto_update'] ) ) {
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return;
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}
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$results['auto_update']['status'] = 'ok';
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$results['auto_update']['message'] = __( 'Rank Math auto-update option is enabled on your site.', 'rank-math' );
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update_option( 'rank_math_seo_analysis_results', $results, false );
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}
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/**
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* Run test through the Rank Math Analysis API.
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*
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* @return boolean
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*/
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private function run_api_tests() {
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$response = $this->get_api_results();
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if ( false === $response ) {
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return false;
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}
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$this->process_api_results( $response );
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return true;
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}
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/**
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* Process results as needed.
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*
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* @param array $response Response.
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*
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* @return boolean
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*/
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private function process_api_results( $response ) {
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foreach ( $response as $id => $results ) {
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$this->results[ $id ] = wp_parse_args(
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$results,
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[
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'test_id' => $id,
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'api_test' => true,
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]
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);
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}
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return true;
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}
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/**
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* Get API results.
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*
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* @return bool|array
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*/
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private function get_api_results() {
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$api_url = Security::add_query_arg_raw(
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[
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'u' => $this->analyse_url,
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'locale' => get_locale(),
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'is_subpage' => $this->analyse_subpage,
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],
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$this->api_url
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);
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$request = wp_remote_get( $api_url, [ 'timeout' => 30 ] );
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if ( is_wp_error( $request ) ) {
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$this->api_error = wp_strip_all_tags( $request->get_error_message() );
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return false;
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}
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$status = absint( wp_remote_retrieve_response_code( $request ) );
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if ( 200 !== $status ) {
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// Translators: placeholder is a HTTP error code.
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$this->api_error = sprintf( __( 'HTTP %d error.', 'rank-math' ), $status );
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return false;
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}
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$response = wp_remote_retrieve_body( $request );
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$response = json_decode( $response, true );
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|
if ( ! is_array( $response ) ) {
|
|
$this->api_error = __( 'Unexpected API response.', 'rank-math' );
|
|
return false;
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Run local site tests.
|
|
*/
|
|
private function run_local_tests() {
|
|
foreach ( $this->local_tests as $id => $test ) {
|
|
$this->results[ $id ] = array_merge(
|
|
[
|
|
'test_id' => $id,
|
|
'api_test' => false,
|
|
'title' => $test['title'],
|
|
'description' => $test['description'],
|
|
'fix' => isset( $test['how_to_fix'] ) ? $test['how_to_fix'] : '',
|
|
'category' => $test['category'],
|
|
'info' => [],
|
|
'kb_link' => isset( $test['kb_link'] ) ? $test['kb_link'] : 'https://rankmath.com/kb/seo-analysis',
|
|
'tooltip' => ! empty( $test['tooltip'] ) ? $test['tooltip'] : '',
|
|
],
|
|
call_user_func( $test['callback'], $this )
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if it is a valid URL on this site.
|
|
*
|
|
* @param string $url Check url if it is allowed.
|
|
* @return bool
|
|
*/
|
|
private function is_allowed_url( $url ) {
|
|
$allowed = true;
|
|
$home = get_home_url();
|
|
if ( strpos( $url, $home ) !== 0 ) {
|
|
$allowed = false;
|
|
}
|
|
|
|
// wp-admin pages are not allowed.
|
|
if ( strpos( substr( $url, strlen( $home ) ), '/wp-admin' ) === 0 ) {
|
|
$allowed = false;
|
|
}
|
|
|
|
return $this->do_filter( 'analysis/is_allowed_url', $allowed, $url );
|
|
}
|
|
|
|
/**
|
|
* Sort results by category.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function sort_results_by_category() {
|
|
$data = [];
|
|
foreach ( $this->results as $result ) {
|
|
if ( $result->is_hidden() ) {
|
|
continue;
|
|
}
|
|
$category = $result->get_category();
|
|
if ( ! isset( $data[ $category ] ) ) {
|
|
$data[ $category ] = [];
|
|
}
|
|
$data[ $category ][ $result->get_id() ] = $result;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Get category label by slug.
|
|
*
|
|
* @param string $category Current category slug.
|
|
* @return string
|
|
*/
|
|
private function get_category_label( $category ) {
|
|
$category_map = [
|
|
'priority' => esc_html__( 'Priority', 'rank-math' ),
|
|
'advanced' => esc_html__( 'Advanced SEO', 'rank-math' ),
|
|
'basic' => esc_html__( 'Basic SEO', 'rank-math' ),
|
|
'performance' => esc_html__( 'Performance', 'rank-math' ),
|
|
'security' => esc_html__( 'Security', 'rank-math' ),
|
|
];
|
|
|
|
return isset( $category_map[ $category ] ) ? $category_map[ $category ] : '';
|
|
}
|
|
|
|
/**
|
|
* Get admin tabs.
|
|
*/
|
|
public function admin_tabs() {
|
|
$tabs = new Admin_Tabs();
|
|
$tabs->display();
|
|
}
|
|
}
|