PHP

Almost one year passed since I passed Laravel Certification, so I want to share with you my experience how I prepared and passed this exam, what you have to learn and how to feel you are ready to pass it.

Working with large files in storage can cause an application to be out of memory as it loads the entire file into RAM before sending it to the storage. To save memory usage we need to work with streams.

We all know how to create a variable, how to get the value of a variable, and how to take a reference to a variable. Let's have a learn what happens in the interpreter when you change the value of a variable? Or when you delete it? How are the types of variables implemented?

Validation is an important task every web developer should care when working with data coming to server. Symfony has Validator component for that, but let's build request auto-validation structure to be sure that data came to our appliction is already valid.

The development process in PHP is mostly related to the receipt and processing of data from different sources. Usage of the Standard PHP Library, SPL and knowledge of its composition is an area whose possession can confirm the competence of the PHP developer.

Amazon Simple Storage Service (Amazon S3) is great for data storage due to the fact that there is quite cheap and very stable. Let's walk step by step to properly and safely work with the data storage.