|Does job for Both Front-end and Back-end.||Php is used mostly for Back-end Purposes only.|
|Can be run in browsers and after Node, we can also run it in Command line3.||Php requires a Server to Run. Cannot run without a server.|
|Js can be combined with HTMl, AJAX and XML.||Can be combined with HTML only.|
|It is a single threaded language that is event-driven which means it never blocks and everything runs concurrently.||It is multi-threaded which means it blocks I/O to carry out multiple tasks concurrently.|
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PHP syntax and basic program:
Instructions to Run Php:
You can install Xampp or any other local server app. After installing Xampp, name your code file with the extension .php and move your Html or Php file in Htdocs folder of xampp. Open xampp, run apache and Sql server, now go to local host with your file URL (type local/yourfilename.php in your browser) and there you can see it.
Php code starts with <?php and ends with ?>. This to tell the compiler/server that Php language starts here.
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