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Debugging Webhooks
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…
Complex Eloquent Query
A query below selects products that need to be updated in a remote application. It takes quantities of products in host application that are connected to source products application. On top of that it looks at all the orders that are in “Pending” status and reserves quantities for those products. SELECT products.quantity_available, connector_products.stock_id, products.id, connector_products.sku,…
Upload to FTP with PHP
$fp = fopen(‘https://www.example.com/pdfdoc’, ‘r’); $user = “sammy”; $pass = “password”; $ftp_server = “192.168.10.10”; //should be wrapped in try catch to properly handle errors $ftp_conn = ftp_ssl_connect($ftp_server); $login = ftp_login($ftp_conn, $user, $pass); ftp_chdir($ftp_conn, ‘path/to/folder’); //can also use ftp_pwd ftp_pasv($ftp_conn, true); //passive mode ftp_fput($ftp_conn, “mydocument.pdf”, $fp, FTP_BINARY); fclose($fp); ftp_close($ftp_conn); Above code can be used to upload a…
Exporting Records with Timezone Adjustments
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…

API Client Design
When you extensively work with certain APIs, like Shopify’s for example, you will end up with bunch of functions that map to API’s endpoints. One of the approaches I have seen so far is to create an API class ShopifyApi and make those functions class methods. So it looks something like the figure below. I…
Running Artisan Command as a Separate PHP Process in Laravel
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…