Java vs PHP: What are the differences?
Java: A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible. Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!; PHP: A popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
Java and PHP can be primarily classified as "Languages" tools.
"Great libraries", "Widely used" and "Excellent tooling" are the key factors why developers consider Java; whereas "Large community", "Open source" and "Easy deployment" are the primary reasons why PHP is favored.
PHP is an open source tool with 23.9K GitHub stars and 5.53K GitHub forks. Here's a link to PHP's open source repository on GitHub.
9GAG, Hootsuite, and 37 Signals are some of the popular companies that use PHP, whereas Java is used by Airbnb, Uber Technologies, and Spotify. PHP has a broader approval, being mentioned in 8904 company stacks & 2933 developers stacks; compared to Java, which is listed in 2399 company stacks and 2723 developer stacks.