Can we use PHP in frontend? Those front-end components may, in turn, pull data or other information from "back-end" components. So a web application written in PHP would be "front-end" but "server-side". However, if the web pages contained any javascript to be executed by the user's browser, that javascript code would be executed "client-side". Is PHP front end? PHP is a programming language for back end development only. JavaScript, in turn, was initially designed as a front end development language. ... js in 2009, JavaScript became full stack. The commonly cited claim that “JavaScript is only for front end development, and PHP is for back end” is just not true. Is PHP a dying language? According to W3Techs' data, PHP is used by 78.9% of all websites with a known server-side programming language. So almost 8 out of every 10 websites that you visit on the Internet are using PHP in some way. ... But when the number is still over 75%, it's tough to use that decline to pronounce PHP as dead. Is PHP faster than JavaScript? 3 Answers. Well, like you alluded, JavaScript is executed on the client side, so it would depend on the client. ... In general, JS is faster considerably than PHP though (on the same hardware); Is PHP worth learning in 2020? Yes, still the PHP becomes most relevant as a career choice in 2020. The reason is that the demand is going on by IT industry since many of the advance PHP framework and support features. So, you can choose PHP as a career in 2020. What Can PHP Do? What Can PHP Do? PHP can generate dynamic page content. PHP can create, open, read, write, delete, and close files on the server. PHP can collect form data. PHP can send and receive cookies. PHP can add, delete, modify data in your database. PHP can be used to control user-access. PHP can encrypt data.