Hi,
i just received information, that there is no additional custom code in our wordpress installation regarding the WPFTS plugin. The wpfts_index_post hook has not been added anywhere. I also confirmed that via a search on the filesystem itself.
root@ubuntu-32gb-nbg1-6:/var/www/html# grep -ir "wpfts_index_post" * wp-content/plugins/fulltext-search/languages/fulltext-search-uk.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-uk.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-uk.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-uk.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " wp-content/plugins/fulltext-search/languages/fulltext-search.pot:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search.pot:"<code>wpfts_index_post</code> hook, then this time only the Titles and the " wp-content/plugins/fulltext-search/languages/fulltext-search.pot:"<code>wpfts_index_post</code> hook, then this time only the Titles and the " wp-content/plugins/fulltext-search/languages/fulltext-search.pot:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search.pot:"for example, when you changed custom <b>wpfts_index_post</b> filter function." grep: wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.mo: binary file matches wp-content/plugins/fulltext-search/languages/fulltext-search-es_ES.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-es_ES.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-es_ES.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-es_ES.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " grep: wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.mo: binary file matches wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"например, если вы изменили обработчик хука <b>wpfts_index_post</b>. Помните, " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"которую вы можете задать с помощью фильтра <b>wpfts_index_post</b>). Вы " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"фильтров, включая хук <code>wpfts_index_post</code>. Укажите ID любой " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " wp-content/plugins/fulltext-search/languages/fulltext-search-ru_RU.po:"создавали свой хук <code>wpfts_index_post</code>, в этот раз будут " grep: wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.mo: binary file matches wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"wpfts_index_post</b> Filterfunktion geändert haben. Bitte denken Sie daran, " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"des <b>wpfts_index_post</b> Filters festlegen können). Sie können jeder " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"wpfts_index_post</code>. Geben Sie die ID irgendeines WordPress-Beitrages " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE_formal.po:"eigenen <code>wpfts_index_post</code> Hook installiert haben, dann werden " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"wpfts_index_post</b> Filterfunktion geändert hast. Bitte denke daran, dass " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:" <b>wpfts_index_post</b> Filters festlegen kannst). Du kannst jeder Gruppe " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"wpfts_index_post</code>. Gib die ID irgendeines WordPress-Beitrages ein, um " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " wp-content/plugins/fulltext-search/languages/fulltext-search-de_DE.po:"<code>wpfts_index_post</code> Hook installiert habst, dann werden jetzt nur " wp-content/plugins/fulltext-search/languages/fulltext-search-uk_UA.po:"for example, when you changed custom <b>wpfts_index_post</b> filter function." wp-content/plugins/fulltext-search/languages/fulltext-search-uk_UA.po:"which you can define using <b>wpfts_index_post</b> filter). You can assign " wp-content/plugins/fulltext-search/languages/fulltext-search-uk_UA.po:"a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress " wp-content/plugins/fulltext-search/languages/fulltext-search-uk_UA.po:"wpfts_index_post</code> hook, then this time only the Titles and the main " wp-content/plugins/fulltext-search/admin/admin_page.php: <p>If you didn’t install WPFTS Add-ons and didn’t set up your own <code>wpfts_index_post</code> hook, then this time only the Titles and the main Content of the publications will be included in the index. If you want other data to participate in the search (such as <b>post meta data</b>), now is the time to read the %1s WPFTS Documentation %2s and make the necessary changes.</p> wp-content/plugins/fulltext-search/admin/templates/blocks/step3_relevance_box.php: <p class="text-secondary"><i><?php echo wp_kses(__('"Cluster" is a part of post (either title, content or even specific part which you can define using <b>wpfts_index_post</b> filter). You can assign some relevance weight to each of them.', 'fulltext-search'), array('b' => array())); ?></i></p> wp-content/plugins/fulltext-search/admin/templates/blocks/control_box.php: <p class="text-secondary"><i><?php echo wp_kses(sprintf(__('Use this button when you need to completely rebuild search index database, for example, when you changed custom <b>wpfts_index_post</b> filter function. Remember that this operation could take a long time. Please refer for %1s documentation %2s for more information.', 'fulltext-search'), '<a href="'.esc_url($wpfts_core->_wpfts_domain.$wpfts_core->_documentation_link).'" target="_blank">', '</a>'), array('b' => array(), 'a' => array('href' => array(), 'target' => array()))); ?></i></p> wp-content/plugins/fulltext-search/admin/templates/blocks/index_engine_tester.php: <p><?php echo wp_kses(__('Before the data from your posts (pages, meta-fields, etc.) gets into the Search Index, they go through a number of built-in WPFTS filters, including a custom hook <code>wpfts_index_post</code>. Enter the ID of any WordPress record to see what data will come to the Search Index.', 'fulltext-search'), array('code' => array())); ?></p> wp-content/plugins/fulltext-search/includes/wpfts_core.php: do_action('wpfts_index_post_start', $this, $post, $is_refresh_raw_cache); wp-content/plugins/fulltext-search/includes/wpfts_core.php: $chunks = apply_filters('wpfts_index_post', $chunks, $post, $is_refresh_raw_cache); wp-content/plugins/fulltext-search/includes/wpfts_core.php: $chunks = apply_filters('wpfts_index_post_finish', $chunks, $post, $this); wp-content/plugins/fulltext-search/includes/wpfts_core.php: do_action('wpfts_index_post_start', $this, $post, $is_refresh_raw_cache); wp-content/plugins/fulltext-search/includes/wpfts_core.php: $chunks = apply_filters('wpfts_index_post', $chunks, $post, $is_refresh_raw_cache); wp-content/plugins/fulltext-search/includes/wpfts_core.php: $chunks = apply_filters('wpfts_index_post_finish', $chunks, $post, $this); root@ubuntu-32gb-nbg1-6:/var/www/html#It seems the index which has been built just built "out of the box". Any ideas? If you need any additional info, please let me know.
Best Regards