Laravel - delete whole collection
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Title: Efficiently Deleting Whole Collections in Laravel Applications
Introduction: Laravel is a popular PHP framework that provides elegant solutions for various tasks, including managing collections efficiently. In this post, we will examine how to delete an entire collection of records related to another entity without having to run multiple queries. Additionally, we'll review the advantages and disadvantages of this approach, ensuring you are well-informed about your options.
Main Content:
1. Understanding Laravel Collections: In Laravel, collections serve as data structures which hold numerous records or models in an array. They provide a convenient way to work with multiple entities at once and perform different operations on them. The collection we're dealing with here stores media files associated with articles.
2. Iterating Through the Collection and Recording Changes: To delete the entire collection if necessary, you first need to obtain all images that belong to the article by using Laravel's Eloquent ORM `where` statement. This returns a collection of `Media` models. Then, iterate through these models and record their original names in an array called `article_images`.
3. Comparing New and Existing Images: Next, loop through the updated files supplied by your function or form input. Extract the file names and original file names from both sets of data, then store them in new arrays named `newFiles`. If we assume that `$files` is an array containing file names to be uploaded, the code would look like this:
$images = Media::where('article_id', $article->id)->get();
...
foreach($files as $file) {
$filePathArr = explode('/', $file);
$fileName = array_pop($filePathArr);
$originalFile = explode('-', $fileName);
$originalFileName = array_pop($originalFile);
$newFiles[] = $originalFileName;
}
...