All Tutorials

Tutorial • January 19, 2023 • 14 min read • Premium

Laravel Validation: Stock/Price Change with or without Livewire

What if your customer is filling in the order form, and meanwhile the product price has changed? Or, some product becomes out of stock? We need to re-validate the quantities/prices after the submit, right? In this article, I will show you two ways: regular Laravel and more UX-friendly "live validation" with Livewire.

#custom validation rules #Livewire #validation #premium tutorials

Tutorial • January 17, 2023 • 2 min read • Free

Mutable Carbon Dates Errors: Use copy() or CarbonImmutable

This is a typical error I see developers making: using `$date->addDays(1)` and then another `$date->addYears(1)` in the same request and getting wrong results. Let me explain.

#date & time

Tutorial • January 16, 2023 • 2 min read • Free

Laravel API: Override 404 Error Message in Route Model Binding

If you use Route Model Binding in your API Controllers and the record is not found, it will automatically return the 404 status code with an error message like "No query results for model [App\\Models\\User] 1". How can you override it?

#API

Tutorial • January 13, 2023 • 4 min read • Free

Eloquent: Count Models by Relations - Three Performance Optimizations

When counting the Model records grouped by their type in a relationship, it's tempting to load too many DB queries or too much data into the memory. There are a few ways to optimize it, let's take a look at an example.

#eloquent performance #eloquent tips

Tutorial • January 13, 2023 • 2 min read • Free

Reminder: Eloquent Observers Are Not Fired For Mass-Update or Mass-Delete

If you have Observer events on updated/deleted rows, it's important to know that they are fired only when you update individual rows, and not when doing mass-update or mass-delete.

#observers

Tutorial • January 12, 2023 • 4 min read • Free

Laravel Middleware: Put in Routes, Controller, or Elsewhere? (4 Options)

If you have a Middleware, where you should use it: in the Routes file or in the Controller? Here are the FOUR options.

Tutorial • January 12, 2023 • 23 min read • Premium

Laravel SaaS with Jetstream in 6 Steps: Detailed Guide

Some time ago I posted a tweet that went viral: it was my vision of how typical Laravel SaaS could be created, by just using the packages and tools from the community. In this article, I decided to expand and actually show you how it can be done.

#Laravel Jetstream #starter kits #premium tutorials #auth roles permissions

Tutorial • January 11, 2023 • 4 min read • Free

Eloquent Order by HasMany Relationship: Three Ways

Imagine you want to load the Model with its related many models, but sort those related results by some column in that related DB table. How to do that?

#order by relationship #eloquent tips

Tutorial • January 10, 2023 • 3 min read • Free

How to Pass Global Variables to Blade: View Share and Composer

Imagine you want to show some "global" data in the Blade: for example, the number of new users this week on the top navigation. Not sure what Controllers would the data come from? Then you can perform that action in the Service Provider, in three ways.

#view composers

Tutorial • January 09, 2023 • 8 min read • Premium

Laravel "Update or Create" From CSV: 5 Eloquent Performance Optimizations

When importing data from CSV or another source, you may need to check every record whether it exists in the DB already, and then update that record, otherwise create a new one. There are multiple ways to perform it.

#premium tutorials