The delete_option() function will return false if the option does not exist.
The update_option() function will return false if the option already has the same value as what you’re trying to update it to.
Both will also return false if the SQL query itself fails for whatever reason.
Related Posts:
- Will it break my site if I delete all transient records in wp_options table?
- Please explain how WordPress works with MySQL character set and collation at a low level
- What is the purpose of the option name hack_file in the options table?
- How to change option recently_edited?
- store simple data in get_option()
- WP_Options ID high
- Transient RSS feeds in wp_options not removed automatically?
- Long option names fail silently?
- save new data to wp_options non-post form
- Huge wp_options table
- Cannot unserialize WordPress serialized values in `wp_options` table?
- WordPress DB: options-table –> 32 gzipcompression?
- wp_options table has duplicate rows and primary key / autoincrement has been removed
- Help running a MySQL query to update all wp_#_options tables in a Multisite install
- What ALL can cause “Another update is currently in progress.”? [closed]
- Should I remove transients from the wp_options table?
- I don’t see site_url and home_url fields in wp_options table (phpMyAdmin)?
- Accidentally deleted active_plugins portion of the wp_options DB table
- batch UPDATE autoload value in wp_options table
- Multiple wp_options tables to share content across installs
- Is there an atomic way to update_option in WordPress (to ensure data integrity)?
- Does auto_load to ‘no’ in wp_options improve performance
- Check if an option exists and get its value in one hit
- My options table is huge. What can I do?
- Change options table prefix only
- When to use custom DB tables or add_option?
- In which format the data is stored in WordPress Databases?
- Automate WordPress website setup with prefilled data
- Image link issues after importing a database backup to my local web server
- Native timestamp on wp_options option
- Whats the best practise on how to store json data from a custom settings page?
- WordPress Settings API Overrides My Previous Value
- What structure and database storage method should I use for temporary storage that may be written concurrently?
- get_option() does unserialize and don’t remove \
- I cannot change anything in my wordpress database from within wordpress?
- Wrong url for the images while using same database for two WordPress installations
- Options table – where does my values go?
- Theme options not being sent to Database
- Multiple Address In WP-Option Value
- How do I use update_option to give me a new option name each time a form is submitted? [duplicate]
- Is it fine to have foreign key as primary key?
- Custom form that store input in database
- Restoring WordPress posts from database only
- Issue with wp_insert_post and post_content field error Could not update post in the database
- wp_posts – guid update
- Performance Gains of Relational DB Setup
- How to initialize $wpdb?
- Organizing WP Pages based on old website database
- What is the advantage of the wp_options design pattern?
- How to close wpdb connection? [duplicate]
- Why is Woocommerce writing in my wp_comment table?
- Error establishing a database connection when migrating site to localhost
- How to implement content from external database into WordPress text page? [closed]
- Connect to live db whilst working locally
- Storing textbox values in Database
- WooCommerce – Query for ordered products
- Tons of Twitter rows in my database
- Why can’t I swap a DB in a WP install? [closed]
- How to replace values in WordPress DB using phpMyAdmin
- How do I reset a self-hosted WordPress URL?
- Customize JSON output
- Store and Work with huge array in WP [closed]
- CRUD operations using WordPress database API
- Display SQL that wordpress is running
- change wp user status from wp_users table
- How to resolve Connections using insecure transport are prohibited while –require_secure_transport=ON
- WordPress returns to an old version
- data (html) migration to posts
- Super slow queries from author archive pages killing my database
- localize elements in database
- Moving to another server database connection error [closed]
- Best practice to limit results in get_row()?
- Is there an easy way of exporting posts with their category already asigned and pictures from localhost?
- Connect to another WP install and grab post based on custom field
- Which table (and column) has the content of configured get_post_meta?
- Serialize data before inserting into the DB
- Pages from custom table
- Can I customised default WP table
- Woocommerce – Check product stock availability from external database
- WordPress where clauses in db select
- How to display data from db in select list [closed]
- Will adding & modifying default WordPress table index break future WordPress update
- echo site_url() returns a different value than what is in the database siteurl field
- SELECT rows between two datetimes when the range is dynamic [closed]
- How to get the full stack trace for WordPress “table doesn’t exist” error in debug.log?
- error establishing a database connection 3
- Correct and secure way to access a custom SQL database in a custom PHP template file
- Does WordPress Support Using Named Pipes on the Windows Operating System?
- Missing latest posts and options after DB migration via phpMyAdmin
- Custom metabox does not store data
- How do i get value from wp_postmeta?
- Local host to server import problem
- featured image not showing up with mysql_connect
- How to find an option in the database?
- Options of accessing wordpress data from mobile app
- Getting data from a table using a query
- wp_usermeta key problem
- How to properly configure SSL connection to remote azure database for running queries within a WordPress environment
- Database Queries are crashing the server
- Uploading to WordPress Database