PHP WPSEO_Utils类代码示例

 /**
  * Checks if Yoast SEO is installed for the first time.
  */
 public function __construct()
 {
     $is_first_install = $this->is_first_install();
     if ($is_first_install && WPSEO_Utils::is_api_available()) {
         add_action('wpseo_activate', array($this, 'set_first_install_options'));
     }
 }

 /**
  * Get Home URL
  *
  * This has been moved from the constructor because wp_rewrite is not available on plugins_loaded in multisite.
  * It will now be requested on need and not on initialization.
  *
  * @return string
  */
 protected function get_home_url()
 {
     if (!isset($this->home_url)) {
         $this->home_url = WPSEO_Utils::home_url();
     }
     return $this->home_url;
 }

 /**
  * Get Home URL
  *
  * This has been moved from the constructor because wp_rewrite is not available on plugins_loaded in multisite.
  * It will now be requested on need and not on initialization.
  *
  * @return string
  */
 protected function get_home_url()
 {
     if (!isset(self::$home_url)) {
         self::$home_url = WPSEO_Utils::home_url();
     }
     return self::$home_url;
 }

 /**
  * Adding a new admin
  *
  * @param string $admin_name Name string.
  * @param string $admin_id   ID string.
  *
  * @return string
  */
 public function add_admin($admin_name, $admin_id)
 {
     $success = 0;
     // If one of the fields is empty.
     if (empty($admin_name) || empty($admin_id)) {
         $response_body = $this->get_response_body('not_present');
     } else {
         $admin_id = $this->parse_admin_id($admin_id);
         if (!isset($this->options['fb_admins'][$admin_id])) {
             $name = sanitize_text_field(urldecode($admin_name));
             $admin_id = sanitize_text_field($admin_id);
             if (preg_match('/[0-9]+?/', $admin_id) && preg_match('/[\\w\\s]+?/', $name)) {
                 $this->options['fb_admins'][$admin_id]['name'] = $name;
                 $this->options['fb_admins'][$admin_id]['link'] = urldecode('http://www.facebook.com/' . $admin_id);
                 $this->save_options();
                 $success = 1;
                 $response_body = $this->form->get_admin_link($admin_id, $this->options['fb_admins'][$admin_id]);
             } else {
                 $response_body = $this->get_response_body('invalid_format');
             }
         } else {
             $response_body = $this->get_response_body('already_exists');
         }
     }
     return WPSEO_Utils::json_encode(array('success' => $success, 'html' => $response_body));
 }

 /**
  * Constructor for the WPSEO_Local_Core class.
  *
  * @since 1.0
  */
 function __construct()
 {
     $this->options = get_option("wpseo_local");
     $this->days = array('monday' => __('Monday', 'yoast-local-seo'), 'tuesday' => __('Tuesday', 'yoast-local-seo'), 'wednesday' => __('Wednesday', 'yoast-local-seo'), 'thursday' => __('Thursday', 'yoast-local-seo'), 'friday' => __('Friday', 'yoast-local-seo'), 'saturday' => __('Saturday', 'yoast-local-seo'), 'sunday' => __('Sunday', 'yoast-local-seo'));
     if (wpseo_has_multiple_locations()) {
         add_action('init', array($this, 'create_custom_post_type'), 10, 1);
         add_action('init', array($this, 'create_taxonomies'), 10, 1);
         add_action('init', array($this, 'exclude_taxonomy'), 10, 1);
     }
     if (is_admin()) {
         $this->license_manager = $this->get_license_manager();
         $this->license_manager->setup_hooks();
         add_action('wpseo_licenses_forms', array($this->license_manager, 'show_license_form'));
         add_action('update_option_wpseo_local', array($this, 'save_permalinks_on_option_save'), 10, 2);
         // Setting action for removing the transient on update options
         if (method_exists('WPSEO_Utils', 'register_cache_clear_option')) {
             WPSEO_Utils::register_cache_clear_option('wpseo_local', 'kml');
         }
     } else {
         // XML Sitemap Index addition
         add_action('template_redirect', array($this, 'redirect_old_sitemap'));
         add_action('init', array($this, 'init'), 11);
         add_filter('wpseo_sitemap_index', array($this, 'add_to_index'));
     }
     // Add support for Jetpack's Omnisearch
     add_action('init', array($this, 'support_jetpack_omnisearch'));
     add_action('save_post', array($this, 'invalidate_sitemap'));
     // Run update if needed
     add_action('plugins_loaded', array(&$this, 'do_upgrade'), 14);
     // Extend the search with metafields
     add_action('pre_get_posts', array(&$this, 'enhance_search'));
     add_filter('the_excerpt', array(&$this, 'enhance_location_search_results'));
 }

 /**
  * Filter POST variables.
  *
  * @param string $var_name
  *
  * @return mixed
  */
 private function filter_input_post($var_name)
 {
     $val = filter_input(INPUT_POST, $var_name);
     if ($val) {
         return WPSEO_Utils::sanitize_text_field($val);
     }
     return '';
 }

    /**
     * Prints the pointer script
     *
     * @param string $selector The CSS selector the pointer is attached to.
     * @param array  $options  The options for the pointer.
     */
    public function print_scripts($selector, $options)
    {
        // Button1 is the close button, which always exists.
        $button_array_defaults = array('button2' => array('text' => false, 'function' => ''), 'button3' => array('text' => false, 'function' => ''));
        $this->button_array = wp_parse_args($this->button_array, $button_array_defaults);
        ?>
		<script type="text/javascript">
			//<![CDATA[
			(function ($) {
				// Don't show the tour on screens with an effective width smaller than 1024px or an effective height smaller than 768px.
				if (jQuery(window).width() < 1024 || jQuery(window).availWidth < 1024) {
					return;
				}

				var wpseo_pointer_options = <?php 
        echo WPSEO_Utils::json_encode($options);
        ?>
, setup;

				wpseo_pointer_options = $.extend(wpseo_pointer_options, {
					buttons: function (event, t) {
						var button = jQuery('<a href="<?php 
        echo $this->get_ignore_url();
        ?>
" id="pointer-close" style="margin:0 5px;" class="button-secondary">' + '<?php 
        _e('Close', 'wordpress-seo');
        ?>
' + '</a>');
						button.bind('click.pointer', function () {
							t.element.pointer('close');
						});
						return button;
					},
					close: function () {
					}
				});

				setup = function () {
					$('<?php 
        echo $selector;
        ?>
').pointer(wpseo_pointer_options).pointer('open');
					var lastOpenedPointer = jQuery( '.wp-pointer').slice( -1 );
					<?php 
        $this->button2();
        $this->button3();
        ?>
				};

				if (wpseo_pointer_options.position && wpseo_pointer_options.position.defer_loading)
					$(window).bind('load.wp-pointers', setup);
				else
					$(document).ready(setup);
			})(jQuery);
			//]]>
		</script>
	<?php 
    }

 /**
  * Make sure the needed scripts are loaded for admin pages
  */
 function init()
 {
     if (filter_input(INPUT_GET, 'wpseo_reset_defaults') && wp_verify_nonce(filter_input(INPUT_GET, 'nonce'), 'wpseo_reset_defaults') && current_user_can('manage_options')) {
         WPSEO_Options::reset();
         wp_redirect(admin_url('admin.php?page=wpseo_dashboard'));
     }
     if (WPSEO_Utils::grant_access()) {
         add_action('admin_enqueue_scripts', array($this, 'config_page_scripts'));
         add_action('admin_enqueue_scripts', array($this, 'config_page_styles'));
     }
 }

 /**
  * Retrieves post data given a post ID or the global
  *
  * @return array|null|WP_Post Returns a post if found, otherwise returns an empty array.
  */
 private function get_post()
 {
     if ($post = filter_input(INPUT_GET, 'post')) {
         $post_id = (int) WPSEO_Utils::validate_int($post);
         return get_post($post_id);
     }
     if (isset($GLOBALS['post'])) {
         return $GLOBALS['post'];
     }
     return array();
 }

 /**
  * Start recalculation
  */
 public function recalculate_scores()
 {
     check_ajax_referer('wpseo_recalculate', 'nonce');
     $fetch_object = $this->get_fetch_object();
     if (!empty($fetch_object)) {
         $paged = filter_input(INPUT_POST, 'paged', FILTER_VALIDATE_INT);
         $response = $fetch_object->get_items_to_recalculate($paged);
         if (!empty($response)) {
             wp_die(WPSEO_Utils::json_encode($response));
         }
     }
     wp_die('');
 }

 /**
  * Get the datetime object, in site's time zone, if the datetime string was valid
  *
  * @todo This is messed up, output type changed, doc wrong. Revert, add new method for formatted. R.
  *
  * @param string $datetime_string The datetime string in UTC time zone, that needs to be converted to a DateTime object.
  * @param string $format          Date format to use.
  *
  * @return DateTime|null in site's time zone
  */
 public function get_datetime_with_timezone($datetime_string, $format = 'c')
 {
     static $utc_timezone, $local_timezone;
     if (!isset($utc_timezone)) {
         $utc_timezone = new DateTimeZone('UTC');
         $local_timezone = new DateTimeZone($this->get_timezone_string());
     }
     if (!empty($datetime_string) && WPSEO_Utils::is_valid_datetime($datetime_string)) {
         $datetime = new DateTime($datetime_string, $utc_timezone);
         $datetime->setTimezone($local_timezone);
         return $datetime->format($format);
     }
     return null;
 }

 /**
  * Post Meta
  */
 public function addPostMeta($post)
 {
     // Hidden in Nested Pages?
     $np_status = get_post_meta($post->ID, 'nested_pages_status', true);
     $this->post_data->np_status = $np_status == 'hide' ? 'hide' : 'show';
     // Yoast Score
     if (function_exists('wpseo_auto_load')) {
         $yoast_score = get_post_meta($post->ID, '_yoast_wpseo_meta-robots-noindex', true);
         if (!$yoast_score) {
             $yoast_score = get_post_meta($post->ID, '_yoast_wpseo_linkdex', true);
             $this->post_data->score = \WPSEO_Utils::translate_score($yoast_score);
         } else {
             $this->post_data->score = 'noindex';
         }
     }
 }

 /**
  * Run init logic.
  */
 public function init()
 {
     // Setting the screen option.
     if (filter_input(INPUT_GET, 'page') === 'wpseo_search_console') {
         if (filter_input(INPUT_GET, 'tab') !== 'settings' && WPSEO_GSC_Settings::get_profile() === '') {
             wp_redirect(add_query_arg('tab', 'settings'));
             exit;
         }
         $this->set_hooks();
         $this->set_dependencies();
         $this->request_handler();
     } elseif (WPSEO_Utils::is_yoast_seo_page() && current_user_can('manage_options') && WPSEO_GSC_Settings::get_profile() === '' && get_user_option('wpseo_dismissed_gsc_notice', get_current_user_id()) !== '1') {
         add_action('admin_init', array($this, 'register_gsc_notification'));
     }
     add_action('admin_init', array($this, 'register_settings'));
 }

 /**
  * Loads the required scripts for the config page.
  */
 function config_page_scripts()
 {
     $this->asset_manager->enqueue_script('admin-script');
     wp_localize_script(WPSEO_Admin_Asset_Manager::PREFIX . 'admin-script', 'wpseoAdminL10n', $this->localize_admin_script());
     wp_enqueue_script('dashboard');
     wp_enqueue_script('thickbox');
     $page = filter_input(INPUT_GET, 'page');
     wp_localize_script(WPSEO_Admin_Asset_Manager::PREFIX . 'admin-script', 'wpseoSelect2Locale', WPSEO_Utils::get_language(get_locale()));
     if (in_array($page, array('wpseo_social', WPSEO_Admin::PAGE_IDENTIFIER))) {
         wp_enqueue_media();
         $this->asset_manager->enqueue_script('admin-media');
         wp_localize_script(WPSEO_Admin_Asset_Manager::PREFIX . 'admin-media', 'wpseoMediaL10n', $this->localize_media_script());
     }
     if ('wpseo_tools' === $page) {
         $this->enqueue_tools_scripts();
     }
 }

 /**
  * Post Meta
  */
 public function addPostMeta($post)
 {
     $meta = get_metadata('post', $post->ID);
     $this->post_data->nav_title = isset($meta['np_nav_title'][0]) ? $meta['np_nav_title'][0] : null;
     $this->post_data->link_target = isset($meta['np_link_target'][0]) ? $meta['np_link_target'][0] : null;
     $this->post_data->nav_title_attr = isset($meta['np_title_attribute'][0]) ? $meta['np_title_attribute'][0] : null;
     $this->post_data->nav_css = isset($meta['np_nav_css_classes'][0]) ? $meta['np_nav_css_classes'][0] : null;
     $this->post_data->nav_object = isset($meta['np_nav_menu_item_object'][0]) ? $meta['np_nav_menu_item_object'][0] : null;
     $this->post_data->nav_object_id = isset($meta['np_nav_menu_item_object_id'][0]) ? $meta['np_nav_menu_item_object_id'][0] : null;
     $this->post_data->nav_type = isset($meta['np_nav_menu_item_type'][0]) ? $meta['np_nav_menu_item_type'][0] : null;
     $this->post_data->nav_status = isset($meta['np_nav_status'][0]) && $meta['np_nav_status'][0] == 'hide' ? 'hide' : 'show';
     $this->post_data->np_status = isset($meta['nested_pages_status'][0]) && $meta['nested_pages_status'][0] == 'hide' ? 'hide' : 'show';
     $this->post_data->template = isset($meta['_wp_page_template'][0]) ? $meta['_wp_page_template'][0] : false;
     // Yoast Score
     if (function_exists('wpseo_auto_load')) {
         $yoast_score = get_post_meta($post->ID, '_yoast_wpseo_meta-robots-noindex', true);
         if (!$yoast_score) {
             $yoast_score = get_post_meta($post->ID, '_yoast_wpseo_linkdex', true);
             $this->post_data->score = \WPSEO_Utils::translate_score($yoast_score);
         } else {
             $this->post_data->score = 'noindex';
         }
     }
 }