If like me you tried the command php artisanHowever, you had the following “Could not open input file: artisan” error when starting the Laravel service using the above command.   How come “Could not open input file: artisan” error is showing up in Laravel There are a few causes behind this error. File doesn't exist Incorrect console location Missing correct permission for artisan Composer install   File doesn't exist Yep - I know, I shouldn't have to reference this one, but it's...

I had the issue where I needed to filter an array list by a specific column.  In my instance, the column is language.  To be able to reduce the query to the language column the code required is levels = selectedCategory?.levels.filter("language = %@", language)Language can be any string, in this instance for me language is a two alpha character such as 'fr', 'en' or 'de'. Further to this you can continue to chain this query through including sort as per levels =...