Include the following before global $wpdb;
require_once(ABSPATH . "wp-admin" . '/includes/image.php');
require_once(ABSPATH . "wp-admin" . '/includes/file.php');
require_once(ABSPATH . "wp-admin" . '/includes/media.php');
Related Posts:
- Unable to show a message after plugin activation
- How to display archive by selecting year and then selecting month
- Plugins and how to assign urls to content
- Unable to link CSS file
- redux framework: add custom css to the output css
- How to get an array out of a nav menu if it’s a plugin?
- Ajax call not working with
- How to CRUD from wordpress database in wordpress theme?
- Ajax functionality not being called under wordpress plugin
- Define a url for an email confirmation from within a plugin
- Is there better way to do this without duplicating queries?
- WordPress Search Form with Keyword Suggestion
- How to create a simple plugin which show/hide an html code in wordpress?
- plugin modal/popup integration best practice
- How can I query 3 posts from diferente categories (one of each category)
- Problem with baseurl and interaction with plugin
- Which filter to use to pre-parse form elements, which are generated by plugin’s shortcode?
- Why setcookie function redirecting to home page in wordpress?
- How to Disable Content Warning Dialog for Logged in users
- Widget won’t be activated
- Remove from a div by class name from post page if post author role is not administrator
- Pull commentdata for pre_comment_on_post from comment_post_ID
- Upgrade routine: Interaction with user confirmation
- How to display properly exception or echo string after posting in plugin?
- Function not working on any file other than the main plugin file
- Pluigin Migration – I need to move a single plugin to a different website
- Building WordPress Themes With Bootstrap with Adi Purdila → TutsPlus
- Load textdomain from global languages directory
- Woocommerce Custom Checkout
- Allow user to change homepage
- Dynamic sidebar areas not working on the Theme Customizer
- Login using /wp-admin doesn’t redirect back to /wp-admin
- Convert each new line in the textfield as a new value in an array
- sql query not working in wp plugin
- Navigate to external link if last page or post in a category
- Custom signature appears twice on page
- $wpdb Mysql trigger problem
- Query only title/field/featured media of posts [closed]
- wp_enqueue_style don’t register all google fonts
- Displaying settings information in a table
- API WordPress is Limited? Return False
- Caption Shortcode: what filter to change the image size?
- How to return a blank page
- Looping single post in a theme
- WP API users per page
- Array/List Edit in Backend
- WP Ajax on page load not working on bluehost but was working on Godaddy
- How to Modify My Plugin’s Admin Settings so that the Plugin can be Added to a Specific Page?
- Plugin options page: grouping checkboxes
- Confusing $tag specification for apply_filters call, in core options.php code
- Callback function quicktags that uses variable in start tag
- Fullwidth slider using background image Flexslider WordPress
- Font Awesome stopped showing icons, shows &# text instead [closed]
- How does one set cookies in WordPress without getting the ‘headers not sent’ error? within WP
- Delete Query executing regardless of WHERE Clause condition
- Return value of $wpdb->update() query in plugin is wrong
- WordPress Plugin Tool Tip Helpers
- Page template compatibility with different themes
- Does WordPress have something like timer hook?
- How can I add the Post ID to Class Name in Jquery?
- How to show metabox just in post.php in admin?
- Same header/footer in Admin, across all network sites in multisite
- How to change the wording of front-end `next article` for custom type registered in a plug-in?
- Get (eventual) permalink from post within Edit Post in Admin panel
- Ajax not working to insert, query and result data
- Hook for plugin to show content for certain urls
- wordpress plugin require_once file – can’t user wordpress functions
- WordPress Plugin: OSCommerce images not displaying in front end
- Change Page title when Pagingation the posts
- Acessing WP functions in form submission handler
- Object Oriented plugin, add action and variables
- Custom MySQL query to pull out Advanced Custom Fields?
- I can’t write in my DB using $wpdb->insert
- How put the correct URL to sub-menu plugin?
- Why does unzip_file always return true but nothing happens?
- Why user is added back in database after deletion?
- Multi hook deploiement
- Use plupload to upload images and save them to custom folder and database table
- Why Worpdress doesn’t create table in database?
- Form and database, plugin development
- Custom Post Type and Functions
- Adding admin for specific users
- What is more secure checking capabilities of user or checking role of user in WordPress plugin development
- Developing a plugin where users can edit entries saved in database
- Deactivate Other Incompatible Plugin Upon Activation
- WordPress custom plugin developement
- How to create session for user which is not an admin user
- What should I use instead of get_blog_option?
- Any way to make Apache’s internal redirect work?
- New Users are saved with no role selected
- get_option() is undefined in TinymceWindowManager
- How to filter get_adjacent_post()?
- Getting duplicate page when activating my plugin
- Plugin outputs content of posts unbidden!
- Should all roles be allowed CRUD operation on the database?
- Associating special meaning with user id 0
- Filter get_user_by instead of replace function
- Action Links in Class located in Subdirectory of Plugin
- Enqueue script not working
- WP Cron as Fast as WordPress AJAX?