boot.php

<?php
    if (!defined('SEARCH_IT_ART_EXCLUDED')) {
        define('SEARCH_IT_ART_EXCLUDED', 0);
        define('SEARCH_IT_ART_IDNOTFOUND', 1);
        define('SEARCH_IT_ART_GENERATED', 2);
        define('SEARCH_IT_ART_REDIRECT', 3);
        define('SEARCH_IT_ART_ERROR', 4);
        define('SEARCH_IT_ART_NOTOK', 5);
        define('SEARCH_IT_ART_404', 6);

        define('SEARCH_IT_URL_EXCLUDED', 0);
        define('SEARCH_IT_URL_GENERATED', 2);
        define('SEARCH_IT_URL_REDIRECT', 3);
        define('SEARCH_IT_URL_ERROR', 4);
        define('SEARCH_IT_URL_NOTOK', 5);
        define('SEARCH_IT_URL_404', 6);

        define('SEARCH_IT_FILE_NOEXIST', 0);
        define('SEARCH_IT_FILE_XPDFERR_OPENSRC', 1);
        define('SEARCH_IT_FILE_XPDFERR_OPENDEST', 2);
        define('SEARCH_IT_FILE_XPDFERR_PERM', 3);
        define('SEARCH_IT_FILE_XPDFERR_OTHER', 4);
        define('SEARCH_IT_FILE_FORBIDDEN_EXTENSION', 5);
        define('SEARCH_IT_FILE_GENERATED', 6);
        define('SEARCH_IT_FILE_EMPTY', 7);

        define('SEARCH_IT_SIMILARWORDS_NONE', 0);
        define('SEARCH_IT_SIMILARWORDS_SOUNDEX', 1);
        define('SEARCH_IT_SIMILARWORDS_METAPHONE', 2);
        define('SEARCH_IT_SIMILARWORDS_COLOGNEPHONE', 4);
        define('SEARCH_IT_SIMILARWORDS_ALL', 7);
    }

    $curDir = __DIR__;
    require_once $curDir . '/functions/functions_search_it.php';

    if (rex_request('search_highlighter', 'string', '') != '' && rex_addon::get('search_it')->getConfig('highlighterclass') != '') {
        rex_extension::register('OUTPUT_FILTER', 'search_it_search_highlighter_output');
    }

    if (rex_addon::get('search_it')->getConfig('reindex_cols_onforms') == true) {
        rex_extension::register('REX_FORM_SAVED', 'search_it_reindex_cols');
        rex_extension::register('REX_YFORM_SAVED', 'search_it_reindex_cols');
        rex_extension::register('YFORM_DATA_DELETED', 'search_it_reindex_cols');
        rex_extension::register('REX_FORM_DELETED', 'search_it_reindex_cols');
    }
    if (rex_addon::get('cronjob')->isAvailable() && !rex::isSafeMode()) {
        rex_cronjob_manager::registerType('rex_cronjob_reindex');
    }

    if (rex_request('search_it_build_index', 'string', '') != '') {
        rex_extension::register('ART_CONTENT', function (rex_extension_point $_ep) {
            $params = $_ep->getParams();
            $article_id = $params['article']->getArticleId();
            if (rex_request('search_it_build_index', 'string', '') == 'redirect') {
                $article_id = '';
            }
            $subject = '<!-- search_it ' . $article_id . ' -->' . $_ep->getSubject() . '<!-- /search_it ' . $article_id . ' -->';
            return $subject;
        });
    }
    if (rex::isBackend() && rex::getUser()) {
        // automatic indexing
        if (rex_addon::get('search_it')->getConfig('automaticindex') == true) {
            $extensionPoints = array(
                'ART_DELETED',
                'ART_META_UPDATED',
                'ART_STATUS',
                'ART_ADDED',
                'ART_UPDATED',
                'CAT_DELETED',
                'CAT_STATUS',
                'CAT_ADDED',
                'CAT_UPDATED',
                'MEDIA_ADDED',
                'MEDIA_UPDATED',
                'MEDIA_DELETED',
                'ART_CONTENT_UPDATED'
            );

            rex_extension::register($extensionPoints, 'search_it_handle_extensionpoint');
        }

        //set default Values on installation
        if (!$this->hasConfig()) {
            $this->setConfig('limit', array(0,10));
        }
        if (strpos(rex_request('page', 'string', ''), 'search_it') !== false) {
            rex_view::addJsFile($this->getAssetsUrl('search_it.js'));
            rex_view::addCssFile($this->getAssetsUrl('search_it.css'));
        }
    }