This code creates a WordPress plugin that allows users to convert Google Drive links to Google Image links directly within a WordPress post or page.
Plugin Information:
It defines a WordPress plugin named "Drive to Image Converter" with a description, version, and author information.
Shortcode Function:
It defines a function called drive_to_image_shortcode. This function generates a form in which users can input a Google Drive link.
Form Handling:
When the form is submitted, the code checks if a Google Drive link has been entered. If a link is provided, it attempts to convert it to a Google Image link using the convert_drive_to_image_link function.
Conversion Function:
convert_drive_to_image_link takes a Google Drive link as input and attempts to extract a unique ID from it. If successful, it constructs a Google Image link using this ID and returns it.
Displaying the Results:
If a valid Google Image link is generated, it is displayed as a clickable link.
Additionally, an tag is used to display the image itself on the page.
Shortcode Registration:
It registers the drive_to_image_shortcode function as a shortcode called [drive_to_image_converter]. This allows users to embed the form and functionality in any post or page using the shortcode.
Usage in WordPress:
Once the plugin is installed and activated, you can use the shortcode [drive_to_image_converter] in any post or page. This will display a form where users can input a Google Drive link. Upon submission, the plugin will convert and display the Google Image link along with the image itself.