In Laravel framework you can create commands and call them from php application. One command can call another command, and another command, and so on. But if an exception is thrown in one of the commands in this chain the whole chain breaks. In order to avoid this problem and run each artisan command as…
In php one can use filters with streams. Sometimes it can become handy. Let’s say you open a .csv file as a stream, but this file is tab separated. Your program can can process coma separated csvs, but not tab separated. This is a good use case for a stream filter, because it can make replacements…
As a rule, dates in a database are stored in UTC. So, when you export records from database constrained by dates, it is a good idea to use appropriate timezone in export query. You can do it in one of two ways. One way is create incoming dates in user’s timezone, then covert time to…
A webhook is an HTTP callback, that occurs when something happens (a resource changes its state). Webhooks provide a way to build event-driven apps, because you can be notified about changes. Since webhooks require a publicly accessible URL to function they can be hard to test from your local machine. There are three main problems…
When consuming 3d party API, you may want to do two things: In this article we will look at how to implement the above features using Guzzle, a popular PHP library for making API calls. Let us scaffold our app composer init composer require guzzlehttp/guzzle:~6.0 composer require monolog/monolog composer require –dev phpunit/phpunit:^8 We will be…