When I'm not writting code for my job, I do it for personal project and fun. I'm self-taught man, 20 years ago I read a lot of tech blogs to learn basics and advanced concepts. Now it's my turn to share my knowledge. Most of posts in this category is about programing with PHP using Symfony framework for backend using cool poject like RabbitMQ or Elasticsearch. I'm also writting a little about Javascript for frontend dev.
Sometimes the processing of a message causes an error. In this case, it is common to move this message to another queue to try to process it later. All this, can be automated in RabbitMQ with the DLX / DLK option and the application of a TTL. But be careful not to create an infinite loop of attempted treatment, in this article I will introduce x-death header to control the number of retries. Read the post
This article talks about the Config component of symfony which allows to semantically expose a configuration and validate it. To often break my teeth on it, I decided to compile here some useful tips that do not appear in the official documentation. Read the post
RabbitMQ is fast, sometimes a bit too much compared to the rest of the infrastructure. A database replication delay can crash the processing of a message. I show you how I handle this problem and use the dead letter exchange and dead letter routing key options to delay the processing of a message. Read the post
Following the article on the manipulation of dates in SQL, I realized that, in fact, the manipulation of date in php was not so simple and known as that. There are many functions on dates in PHP and I still find a lot of code that gets confused trying to calculate dates with mktime, manipulating timestamps. While a very practical class exists: DateTime. So it is she, and her companions, that I will present. Read the post
Most sites use cookies. Whether for tracking or persisting data, unfortunately good security practices are not always apply. In this article I will present the different options available in PHP and how to implement them with Symfony. Read the post
Imagine is an object-oriented PHP 5 library for manipulating images in an object context. It is a layer of abstraction to the various image manipulation engines such as GD or Imagick. Read the post
In the Simple PHP Library (SPL for those close to you), there are classes and interfaces that allow you to simply browse folders and files. It is even possible and very simple to create a filter that allows you to narrow the result. Read the post
Importing or exporting data in CSV format is a classic for a business application or a back office. Little known, the Standard PHP Library makes it easy to manipulate CSV files whether read or write via the SplFileObject class. Read the post