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civicrm.compat.php 4.26 KiB
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  • <?php
    /*
     +--------------------------------------------------------------------+
     | Copyright CiviCRM LLC. All rights reserved.                        |
     |                                                                    |
     | This work is published under the GNU AGPLv3 license with some      |
     | permitted exceptions and without any warranty. For full license    |
     | and copyright information, see https://civicrm.org/licensing       |
     +--------------------------------------------------------------------+
    */
    
    /**
     *
     * @package CRM
     * @copyright CiviCRM LLC https://civicrm.org/licensing
     *
     */
    
    
    // This file must not accessed directly
    if ( ! defined( 'ABSPATH' ) ) exit;
    
    
    /**
     * Define CiviCRM_For_WordPress_Compat Class.
     *
     * @since 5.24
     */
    class CiviCRM_For_WordPress_Compat {
    
      /**
       * Plugin object reference.
       *
       * @since 5.24
       * @access public
       * @var object $civi The plugin object reference.
       */
      public $civi;
    
    
      /**
       * Instance constructor.
       *
       * @since 5.24
       */
      public function __construct() {
    
        // Store reference to CiviCRM plugin object.
        $this->civi = civi_wp();
    
        // Register plugin compatibility hooks.
        $this->register_hooks();
    
      }
    
    
      /**
       * Register plugin compatibility hooks.
       *
       * This is called via the constructor during the "plugins_loaded" action which
       * is much earlier that CiviCRM's own internal hooks. The reason for this is
       * that compability may need callbacks for events that fire well before "init"
       * which is when CiviCRM begins to load.
       *
       * @since 5.24
       */
      public function register_hooks() {
    
        // Bail if CiviCRM not installed yet.
        if ( ! CIVICRM_INSTALLED ) {
          return;
        }
    
        // Support Clean URLs when Polylang is active.
        add_action( 'civicrm_after_rewrite_rules', array( $this, 'rewrite_rules_polylang' ), 10, 2 );
    
      }
    
    
      /**
       * Support Polylang.
       *
       * @since 5.24
       *
       * @param bool $flush_rewrite_rules True if rules flushed, false otherwise.
       * @param WP_Post $basepage The Basepage post object.
       */
      public function rewrite_rules_polylang( $flush_rewrite_rules, $basepage ) {
    
        // Bail if Polylang is not present.
        if (!function_exists('pll_languages_list')) {
          return;
        }
    
        /*
         * Collect all rewrite rules into an array.
         *
         * Because the array of specific Post IDs is added *after* the array of
         * paths for the Basepage ID, those specific rewrite rules will "win" over
         * the more general Basepage rules.
         */
        $collected_rewrites = [];
    
        // Support prefixes for a single Basepage.
        $basepage_url = get_permalink( $basepage->ID );
        $basepage_raw_url = PLL()->links_model->remove_language_from_link( $basepage_url );
        $language_slugs = pll_languages_list();
        foreach ($language_slugs as $slug) {
          $language = PLL()->model->get_language( $slug );
          $language_url = PLL()->links_model->add_language_to_link( $basepage_raw_url, $language );
          $parsed_url = wp_parse_url( $language_url, PHP_URL_PATH );
          $regex_path = substr( $parsed_url, 1 );
          $collected_rewrites[$basepage->ID][] = $regex_path;
          $post_id = pll_get_post( $basepage->ID, $slug );
          if (!empty($post_id)) {
            $collected_rewrites[$post_id][] = $regex_path;
          }
        };
    
        // Support prefixes for Basepages in multiple languages.
        foreach ($language_slugs as $slug) {
          $post_id = pll_get_post( $basepage->ID, $slug );
          if (empty($post_id)) {
            continue;
          }
          $url = get_permalink( $post_id );
          $parsed_url = wp_parse_url( $url, PHP_URL_PATH );
          $regex_path = substr( $parsed_url, 1 );
          $collected_rewrites[$basepage->ID][] = $regex_path;
          $collected_rewrites[$post_id][] = $regex_path;
        };
    
        // Make collection unique and add remaining rewrite rules.
        $rewrites = array_map('array_unique', $collected_rewrites);
        if (!empty($rewrites)) {
          foreach ($rewrites as $post_id => $rewrite) {
            foreach ($rewrite as $path) {
              add_rewrite_rule(
                '^' . $path . '([^?]*)?',
    
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                'index.php?page_id=' . $post_id . '&civiwp=CiviCRM&q=civicrm%2F$matches[1]',
    
                'top'
              );
            }
          }
        }
    
        // Maybe force flush
        if ($flush_rewrite_rules) {
          flush_rewrite_rules();
        }
    
      }
    
    } // Class CiviCRM_For_WordPress_Compat ends