What is WordPress Hook: image_make_intermediate_size
The image_make_intermediate_size hook in WordPress is used to create additional image sizes when uploading media to the WordPress media library. This hook allows developers to add custom image sizes to be generated when uploading images, providing more flexibility in managing and displaying images on a WordPress website.
Understanding the Hook: image_make_intermediate_size
The image_make_intermediate_size hook is located within the wp_generate_attachment_metadata function in the WordPress core. This function is responsible for generating image sizes when media is uploaded to the WordPress media library. The hook allows developers to modify the default behavior of image size generation and add custom image sizes as needed.
Hook Parameters (if applicable): image_make_intermediate_size
The image_make_intermediate_size hook does not accept any parameters. It is a simple action hook that allows developers to execute custom code when new image sizes are being generated.
Hook Doesn’t Work: image_make_intermediate_size
If the image_make_intermediate_size hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that also modify image sizes. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue. Additionally, checking for syntax errors or typos in the custom code added to the hook is essential for ensuring proper functionality.
Best Practices & Usage Notes (if applicable): image_make_intermediate_size
When using the image_make_intermediate_size hook, it is important to consider the impact on server resources, as generating additional image sizes can increase server load and storage usage. It is recommended to only add necessary custom image sizes and optimize images for web to minimize the impact on website performance.
image_make_intermediate_size Usage Example: image_make_intermediate_size
“`php
function custom_image_sizes( $metadata ) {
// Add custom image sizes
add_image_size( ‘custom-size’, 300, 200, true );
add_image_size( ‘another-size’, 600, 400, true );
return $metadata;
}
add_filter( ‘wp_generate_attachment_metadata’, ‘custom_image_sizes’ );
“`
