What PHP developer should know in 2021

Published March 22nd ,2021 at 11:24pm Programming


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Credit to @benofthenorth from unsplash.com for this incredible picture.
PHP is the most popular programming language for building quality and incredible websites. Since its inception, the language has evolved through many changes. It powers the likes of WordPress, Facebook, Yahoo, and other top websites. Developers like PHP because of its ease of use, the larger community, and the open-source approach. When it comes to developing websites, PHP is often chosen as the first option. According to W3Techs' data, PHP is used by 78.9% of all websites with a known server-side programming language. That is a huge number and it outclasses the likes of Ruby on Rails and Django based on these stats. The fact that PHP easily gets the job done, does not mean that the codes can be written anyhow. Here are three things PHP developers need to know.
1. FUNCTION PROGRAMMING IS NO LONGER A GOOD WAY TO CODE IN PHP
Many developers still make use of functional programming. Now with functional programming, there have to be many calls for the inclusion of files that contain functions that perform interrelated tasks. Such can easily be done with Classes. Classes make it easier to structure your code and group interrelated methods in one file. For instance, we can create a class to handle user profiles, create an instance of that class, extend the class with another class, and many more.
2. USE CLASSES AND AUTOLOAD TO DO FEWER INCLUSIONS
Instead of making so many inclusions using the require and include directives in PHP, things can easily get out of hand in the sense that you lose track of your files and where they are called within your app. Using classes, we can have a directory to store all class files and call upon them using spl_autoload function which calls the classes without directly including it. The spl_autoload makes use of require and include directives once to call upon the class files.
3. USE NAMESPACES
Namespaces prevent conflicts among class names. With namespaces, one can specify a way to call a class without any naming conflict. When you include vendor class files, you will have nothing to worry about changing the names of your classes.

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