Relevanssi - A Better Search
| 开发者 | msaari |
|---|---|
| 更新时间 | 2024年4月4日 13:36 |
| 捐献地址: | 去捐款 |
| PHP版本: | 7.0 及以上 |
| WordPress版本: | 6.5 |
| 版权: | GPLv2 or later |
| 版权网址: | 版权信息 |
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详情介绍:
Relevanssi replaces the standard WordPress search with a better search engine, with lots of features and configurable options. You'll get better results, better presentation of results - your users will thank you.
This is the free version of Relevanssi. There's also Relevanssi Premium, which has added features. For more information about Premium, see Relevanssi.com.
Do note that using Relevanssi may require large amounts (hundreds of megabytes) of database space (for a reasonable estimate, multiply the size of your
wp_posts database table by three). If your hosting setup has a limited amount of space for database tables, using Relevanssi may cause problems. In those cases use of Relevanssi cannot be recommended.
Key features
- Search results sorted in the order of relevance, not by date.
- Fuzzy matching: match partial words, if complete words don't match.
- Find documents matching either just one search term (OR query) or require all words to appear (AND query).
- Search for phrases with quotes, for example "search phrase".
- Create custom excerpts that show where the hit was made, with the search terms highlighted.
- Highlight search terms in the documents when user clicks through search results.
- Search comments, tags, categories and custom fields.
- Multisite friendly.
- bbPress support.
- Gutenberg friendly.
- Adjust the weighting for titles, tags and comments.
- Log queries, show most popular queries and recent queries with no hits.
- Restrict searches to categories and tags using a hidden variable or plugin settings.
- Index custom post types and custom taxonomies.
- Index the contents of shortcodes.
- Google-style "Did you mean?" suggestions based on successful user searches.
- Support for WPML multi-language plugin and Polylang.
- Support for s2member membership plugin, Members, Groups, Simple Membership and other membership plugins.
- Advanced filtering to help hacking the search results the way you want.
- Search result throttling to improve performance on large databases.
- Disable indexing of post content and post titles with a simple filter hook.
- Indexing attachment content (PDF, Office, Open Office).
- Improved spelling correction in "Did you mean?" suggestions.
- Searching across multiple sites in the same multisite installation.
- Search and index user profiles.
- Search and index taxonomy term pages (categories, tags, custom taxonomies).
- Search and index arbitrary columns in wp_posts MySQL table.
- Assign weights to any post types and taxonomies.
- Assign extra weight to new posts.
- Let the user choose between AND and OR searches, use + and - operator (AND and NOT).
- Export and import settings.
- WP CLI commands.
- Related posts.
- Redirects for searches.
安装:
- Install the plugin from the WordPress plugin screen.
- Activate the plugin.
- Go to the plugin settings page and build the index following the instructions there.
- That's it!
屏幕截图:
常见问题:
Knowledge Base
You can find solutions and answers at the Relevanssi Knowledge Base.
Contextual help
Answers to many common problems can be found from the contextual menu. Just click "Help" in the top right corner of your WordPress admin dashboard on the Relevanssi settings page.
Relevanssi doesn't work
If you the results don't change after installing and activating Relevanssi, the most likely reason is that you have a call to query_posts() on your search results template. This confuses Relevanssi. Try removing the query_posts() call and see what happens.
Searching for words with ampersands or hyphens doesn't work
Please read Words with punctuation can't be found. This is a Relevanssi feature, but you can fix it from Relevanssi indexing settings.
Where are the user search logs?
See the top of the admin menu. There's 'User searches'.
Displaying the relevance score
Relevanssi stores the relevance score it uses to sort results in the $post variable. Just add something like
echo $post->relevance_score
to your search results template inside a PHP code block to display the relevance score.
Did you mean? suggestions
Relevanssi offers Google-style "Did you mean?" suggestions. See "Did you mean" suggestions in the Knowledge Base for more details.
What is tf * idf weighing?
It's the basic weighing scheme used in information retrieval. Tf stands for term frequency while idf is inverted document frequency. Term frequency is simply the number of times the term appears in a document, while document frequency is the number of documents in the database where the term appears. Thus, the weight of the word for a document increases the more often it appears in the document and the less often it appears in other documents.
What are stop words?
Each document database is full of useless words. All the little words that appear in just about every document are completely useless for information retrieval purposes. Basically, their inverted document frequency is really low, so they never have much power in matching. Also, removing those words helps to make the index smaller and searching faster.
更新日志:
4.22.2
- Security fix: Prevent CSV injection attack in log export.
- Security fix: Restrict access to doc count updates.
- Minor fix: Product variations check the parent product for access restrictions, to avoid situations where variations of a draft product appear in the results.
- Minor fix: Improved TablePress compatibility.
- Minor fix: Added error handling to the Ninja Table compatibility code.
- Security fix: Relevanssi had a vulnerability where anyone could access the search logs and click logs. The log export is now protected.
- Minor fix: Relevanssi had problems with Polylang when a post or term didn't have language specified. Now Relevanssi handles those situations better.
- Minor fix: Post date throttling had a MySQL error that made it replace JOINs instead of concatenating.
- Minor fix: The log database table now has an index on session_id, as not having that index can slow down the search a lot.
- New feature: New filter hook
relevanssi_searchform_dropdown_argsfilters the arguments forwp_dropdown_categories()in search forms. - Changed behaviour: Search form shortcode taxonomy dropdowns are now sorted alphabetically and not by term ID.
- Minor fix: Caught a bug in excerpt-building with empty words.
- Minor fix: It's now possible to set both
post__inandpost__not_inand likewise forparent__inandparent__not_in. - Minor fix: The
post_statusis no longer available as a query parameter. - Minor fix: It's now possible to sort posts in ascending order of relevance.
- Minor fix: Meta query boolean to array conversion.
- Changed behaviour: The 'relevanssi_index_content' and 'relevanssi_index_titles' filter hooks now get the post object as a second parameter.
- Minor fix: Relevanssi is now blocked in the reusable content block search.
- Minor fix: Stop Relevanssi from blocking the feed searches.
- Minor fix: Improve exact match boosts with accented letters.
- Minor fix: Entering synonyms in Polylang all languages mode was possible; it shouldn't be.
- New feature: New filter hook
relevanssi_highlight_regexmakes it possible to adjust the regex used for highlighting. - New feature: New filter hook
relevanssi_excerpt_custom_fieldsfilters the list of custom fields used for creating the excerpt. - New feature: New filter hook
relevanssi_phrase_custom_fieldsfilters the list of custom fields used for phrase matching. Return an empty array to disable phrase matching in custom fields. - New feature: New filter hook
relevanssi_phrase_taxonomiesfilters the list of taxonomies used for phrase matching. Return an empty array to disable phrase matching in taxonomies. - New feature: If RELEVANSSI_DEBUG, WP_DEBUG and WP_DEBUG_DISPLAY are all true, Relevanssi will print out indexing debugging messages to the error log (PHP error log or whatever is defined in WP_DEBUG_LOG).
- Minor fix: Some ACF fields change the global $post, leading to indexing problems. Relevanssi tries to prevent that now.
- Minor fix: Avoid fatal errors from
actionquery variable being a non-string. - Minor fix: Term indexing with WPML only indexed the terms in the current admin language. Now the terms are indexed in all languages.
- New feature: Relevanssi can now create custom field specific excerpts that come from one custom field only and know which field that is.
- New feature: You can see the list of indexed custom field names in the indexing and excerpt settings.
- New feature: New filter hook
relevanssi_excerpt_specific_custom_field_contentfilters the excerpt custom field content ifrelevanssi_excerpt_specific_fieldsis enabled. - Changed behaviour: The
relevanssi_get_custom_field_content()function now returns an array instead of string. Ifrelevanssi_excerpt_specific_fieldsis off, the previous string return value is returned as a single-item array with the string in index 0. If the setting is on, the array keys are the field names. - Minor fix: The stopword population during the multisite installation used the wrong database table, leading to failed population.
- Minor fix: Multisite installation is moved from
wp_insert_site(priority 10) towp_initialize_site(priority 200) in order to avoid trouble. - Minor fix: The session ID is now included in the log export.
- Minor fix: The "none" value in category dropdowns from the searchform shortcode is changed from -1 to 0.
- New feature: Logging now includes a session ID (based on user ID for logged-in users, HTTP user agent for others, and current time, stable for 10 minutes per user). This is used to remove duplicate searches from live searches, keeping only the final search query.
- New feature: New filter hook
relevanssi_highlight_querylets you modify the search query for highlighting. - Changed behavior: Relevanssi no longer searches in feed searches by default.
- New feature: New filter hook
relevanssi_blocked_field_typescan be used to control which ACF field types are excluded from the index. By default, this includes 'repeater', 'flexible_content', and 'group'. - New feature: New filter hook
relevanssi_acf_field_objectcan be used to filter the ACF field object before Relevanssi indexes it. Return false to have Relevanssi ignore the field type. - New feature: Relevanssi debug mode has more features now.
- Minor fix: ACF field exclusion is now recursive. If a parent field is excluded, all sub fields will also be excluded.
- Minor fix: Handling of data attributes in in-document highlighting had a bug that caused problems with third-party plugins.
- Minor fix: The indexing settings tab now checks if the wp_relevanssi database table exists and will create the table if it doesn't.
- New feature: Relevanssi now has a debug mode that will help troubleshooting and support.
- Minor fix: Using the_permalink() caused problems with search result links. That is now fixed. Relevanssi no longer hooks onto
the_permalinkhook and instead usespost_linkand other similar hooks.
- New feature: New filter hook
relevanssi_add_highlight_and_trackingcan be used to force Relevanssi to add thehighlightand tracking parameters to permalinks. - Changed behaviour: The 'relevanssi_wpml_filter' filter function now runs on priority 9 instead of 10 to avoid problems with custom filters on relevanssi_hits_filter.
- Minor fix: Handle cases of missing posts better; relevanssi_get_post() now returns a WP_Error if no post is found.
- Minor fix: Search queries that contain apostrophes and quotes can now be deleted from the log.
- Minor fix: Avoid a slow query on the searching tab when the throttle is not enabled.
- New feature: Relevanssi now shows the MySQL
max_allowed_packetsize on the debug tab. - New feature: Relevanssi now shows the indexing query on the debug tab.
- New feature: ACF field settings now include a 'Exclude from Relevanssi index' setting. You can use that to exclude ACF fields from the Relevanssi index.
- Minor fix: Relevanssi was adding extra quotes around search terms in the
highlightparameter. - Minor fix: Yet another update to data attributes in highlighting. Thanks to Faeddur.
- Minor fix: Taxonomy query handling was improved. This should help in particular Polylang users who've had problems with Relevanssi ignoring Polylang language restrictions.