PHP vs Node.js
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This presentation takes you through the basic features of PHP and Node.js and the difference between them. It also suggests some of the popular frameworks for each of them. It is one of the tech-talk presentations from SquareBoat. Follow us on SlideShare for upcoming presentations.
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PHP vs Node.js
- 1. PHP vs NodeJS Saumya Rastogi Raghav Garg Traditional Web Technologies vs NodeJS
- 2. PHP is a server-side scripting language designed for web development but also used as a general-purpose programming language. Originally created by Rasmus Lerdorf in 1994, the PHP reference implementation is now produced by The PHP Group. PHP originally stood for Personal Home Page, but it now stands for the recursive backronym PHP: Hypertext Preprocessor
- 3. ● Node.js is an open-source, cross-platform JavaScript run-time environment for executing JavaScript code on server-side. ● It was originally written by Ryan Dahl in 2009. ● It is built by combining Google's V8 JavaScript engine, an event loop, and a low-level I/O API ● Dahl was inspired to create Node.js after seeing a file upload progress bar on Flickr
- 5. Benchmarking comparison between PHP & NodeJS
- 7. Why NodeJS? Traditionally for each connection (request) we spawns a new thread, taking up system RAM and eventually maxing-out at the amount of RAM. Node.js operates on a single-thread, using non-blocking I/O calls, allowing it to support tens of thousands of concurrent connections (held in the event loop).
- 8. NodeJS in brief ● Server side Javascript ● Built on Google’s V8 Engine ● Event driven, non blocking I/O ● CommonJS module system ● 8000 lines of C, C++ Code (at the time of release) ● 2000 lines of Javascript (at the time of release) ● 14 Contributors (at the time of release)
- 9. NodeJS equals to Code written in C, providing some functionalities to make a server Javascript Runtime Environment + Some more JS code and some library like CommonJS +
- 10. WHY?
- 11. because JS is a Single Threaded Non Blocking Asynchronous Concurrent language
- 13. The process goes into the worker thread, does a task as come back when its work is done. But how do they magically re-appear in the main thread. There is a queue, which is maintained to store which worker thread is completed. Now there is a dedicated worker thread, whose work is to constantly ping the queue to check is some new task is completed. If there is a callback in the queue it then checks the main thread if its idle then pass the callback to run else if busy then wait for it be to get freed. This dedicated worker thread is known as Event Loop. Lets see it in working, Loupe
- 14. Coding Style ● PHP ○ As we’re all familiar with PHP’s coding style and we know that its very linear. Trying to multitask in PHP is a schlep. ○ As we go on writing code, a developer knows that the flow for processing that particular code will be same as its written (line-by-line). ● NodeJS ○ The major advantage here is asynchronous. Pretty much everything is multitasking. ○ Due to this, a developer must write the code in such a style so that he/she can handle the requests made by multiple clients efficiently.
- 15. Working of PHP vs NodeJS
- 16. Working of PHP vs NodeJS
- 17. PHP NodeJS Package Manager NPM Popular Frameworks ORM SQL: Eloquent Mongo: null SQL: BookshelfJS(KnexJS) Mongo: Mongoose Templating Engine Blade Express Handlebars, EJS Debugging Whoops Node Inspector, App Logs Testing PHP Unit Mocha, Chai, Assert