INTERVIEW QUESTIONS PHOTO GALLERY SOFTWARE 4IMAGES PHOTO GALLERY DETAILS

Question: Best way to tie images to entries?

Answer: You'd have to write an extension which taps into the delete_entries_loop hook to:

Find all File fields in that entry
Search all other File fields in the database for that matching value
If no matching values are found, parse the value of that file field to locate the image in the database
Delete it (from the database and on-disk) using the File library
However, while you may feel that the use case of multiple entries using a single image file is a rare one, I actually see this all the time. On the flip side, to me, a site which frequently deletes entries (and thus would have a build-up of unused images) is something that is incredibly rare.

You'd have to write an extension which taps into the delete_entries_loop hook to:

Find all File fields in that entry
Search all other File fields in the database for that matching value
If no matching values are found, parse the value of that file field to locate the image in the database
Delete it (from the database and on-disk) using the File library
However, while you may feel that the use case of multiple entries using a single image file is a rare one, I actually see this all the time. On the flip side, to me, a site which frequently deletes entries (and thus would have a build-up of unused images) is something that is incredibly rare. Source: CoolInterview.com

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