About the Authors

Carlos Pérez Sánchez is a backend web developer with more than 10 years of experience in working with the PHP language. He loves finding the best solution for every single problem on web applications and coding, looking to push forward the best practices for development, ensuring a high level of attention to detail.

He has a bachelors degree in computer engineering from the University of Alicante in Spain, and he has worked for different companies in the United Kingdom and Spain. He has also worked for American companies and is currently working for Pingvalue. You can connect with him on LinkedIn at https://www.linkedin.com/in/mrcarlosdev.

To my girlfriend, Becca, family, and friends—thanks for your unconditional support in every single stage of my life.

Pablo Solar Vilari?o is a software developer who became interested in web development when PHP 4 started becoming a popular language.

Over the last few years, he has worked extensively with web, cloud, and mobile technologies for medium-to-large companies and is currently an e-commerce developer at NITSNETS.

He has a passion for new technologies, code standards, scalability, performance, and open source projects.

Pablo can be approached online at https://pablosolar.es/.

To everyone who has ever believed in me.