What is WordPress Hook: async_upload_{$type}
The async_upload_{$type} hook in WordPress is used to perform actions or add custom functionality during the asynchronous upload process for specific file types.
Understanding the Hook: async_upload_{$type}
The async_upload_{$type} hook is located within the wp-admin/async-upload.php file, which handles the asynchronous file uploads in WordPress. It allows developers to execute custom code before, during, or after the upload process for specific file types.
Hook Parameters (if applicable): async_upload_{$type}
The async_upload_{$type} hook does not accept any specific parameters, as it is used to target asynchronous file uploads for different file types dynamically.
Hook Doesn’t Work: async_upload_{$type}
If the async_upload_{$type} hook doesn’t work as expected, it could be due to incorrect implementation or conflicts with other plugins or themes. It is recommended to check for any syntax errors in the code and ensure that the hook is being added in the appropriate location within the WordPress process.
Best Practices & Usage Notes (if applicable): async_upload_{$type}
When using the async_upload_{$type} hook, it is important to consider the specific file types for which the asynchronous upload functionality is being targeted. Additionally, developers should be mindful of any potential security implications when adding custom code to this hook, as it directly impacts the file upload process in WordPress.
async_upload_{$type} Usage Example: async_upload_{$type}
“`php
function custom_async_upload_action( $type ) {
// Add custom functionality for specific file types during asynchronous upload
if ( $type === ‘image’ ) {
// Perform actions for image uploads
} elseif ( $type === ‘video’ ) {
// Perform actions for video uploads
}
}
add_action( ‘async_upload_{$type}’, ‘custom_async_upload_action’, 10, 1 );
“`