Implement dynamic custom messages from validation errors in Laravel

Notice: the following article takes into consideration Laravel versions lower than 5.5. After that it is easier to use custom validation rules

Introduction

Laravel provides different approaches to validate your application’s incoming data.

My favorite method to validate input data in controllers is to create Form Requests: custom request classes that contain authorization and validation logic. They allow you to keep your controllers as clean as possible, because the logic is …

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Remove Laravel Mix during tests

Introduction

Laravel Mix is a handy Webpack wrapper for frontend asset building pipelines. It definitely helps any Laravel developer which wants to avoid the pain of Webpack setup and configuration.

For example, the following 2 lines:

mix.js('resources/js/app.js', 'public/js')
    .sass('resources/sass/app.scss', 'public/css');

will apply

  • module bundling, minification, and concatenation using the app.js JavaScript file as entry point, writing the output …
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Parse log files with AWK

Introduction

Not everyone can afford (or have the need of) an ELK stack for analyzing logs. Sometimes reading files from the command line is the fastest and most straightforward way to spot a problem, if you know how to filter the data.

AWK is an excellent UNIX tool (actually it’s an interpreted programming language) for processing structured data, for example rows and columns generated by applications and tools.

The word AWK comes from the initials of the language’s three …

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Testing approaches for Laravel Form Requests

Introduction

Laravel Form Requests in my opinion are one of the most powerful components of the framework. They can handle request authorization and validation ahead of controllers, keeping them more clean and concise. They have been an important part of the framework since version 5.0 and dispite a few minor differences between versions, they have not really changed much.

In this post we are going to briefly introduce them, for the few of you who are not familiar with the topic, and then I …

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Testing approaches for Laravel Form Requests

Introduction

https://laravel.com/docs/5.7/eloquent-relationships#custom-polymorphic-types

with(new CollectionDocument())->getMorphClass()

Relation::morphMap()

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Extract a single table from a full MySQL dump file

Introduction

At work we have to deal with very large mysqldump backups of our production MySQL databases (sometimes they can be over 10 GBs large). From time to time we have to restore single tables in our local development environment. Importing the entire database is out of question because this operation can take up to 40 minutes to complete. Manually editing the SQL dump is also impossible because opening such large files will likely kill any text editor.

I’m aware that we can use …

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