How does PHP page work?

PHP is an interpreted language. This means that you will write code statements (lines of code) and when a page is requested, the PHP interpreter will load your PHP code, parse it and then execute it. This differs from other languages, such as Java or C#, where the source code is compiled and then executed.

How does PHP website work?

If the web server determines that the request is for a PHP file (often index. php ), it’ll pass that file to the PHP interpreter. The PHP interpreter will read the PHP file, parse it (and other included files) and then execute it. … The web server will take that output and send it back as a response to the browser.

How does PHP code run?

Basically, each time a PHP script is loaded, it goes by two steps :

  1. The PHP source code is parsed, and converted to what’s called opcodes. Kind of an equivalent of JAVA’s bytecode. If you want to see what those look like, you can use the VLD extension.
  2. Then, those opcode are executed.
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How does PHP work internally?

PHP language is written in C and the way it works is actually quite cool. The php interpreter would read text files containing php code, analyse its syntax, transform everything it understands as php code into opcodes and later on execute this opcode list. In simple terms, php will: parse, compile and execute.

Does PHP run in browser?

PHP Is Not Part of Your Browser. And here’s where things change from the easy, browser-centric view of the world. When you download a web browser, you get HTML, CSS, and JavaScript, but you do not get PHP. PHP scripts—which you’ll soon be writing—have to be interpreted by the PHP interpreter program, called php.

How does PHP work with HTML?

PHP processor scans the page, line by line. It build a processed HTML page. If it finds HTML, it passes that on as part of the processed HTML page it is building. If it finds PHP scripts, the PHP processor may or may not output HTML.

What is PHP vs HTML?


PHP codes are dynamic. HTML codes are static.
PHP is used for server-side programming which will interact with databases to retrieve information, storing, email sending, and provides content to HTML pages to display on the screen. HTML is used for specifying colors, text formatting, aligning, etc.

Can PHP run without server?

You can make a PHP script to run it without any server or browser. You only need the PHP parser to use it this way. This type of usage is ideal for scripts regularly executed using cron (on *nix or Linux) or Task Scheduler (on Windows). These scripts can also be used for simple text processing tasks.

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Is PHP a web server?

PHP is a server scripting language, developed to make dynamic web pages. The PHP interpreter executes PHP language.

How are PHP files accessed?

How PHP files can be accessed? – Computer Applications

  1. Through Web Browser.
  2. Through HTML files.
  3. Through Web Server.
  4. All of Above.

How does PHP work in backend?

PHP is a back end development language only. PHP belongs to the LAMP stack, which stands for Linux, Apache, MySQL, and PHP/Perl/Python. To develop a web app with this technology stack, a software engineer needs to know four different syntax systems, as well as HTML and CSS.

How does PHP interact with backend?

Connection used in the PHP Application.

The Node side of things would be simple:

  1. Create a simple socket server (20~ lines)
  2. Create an array.
  3. Listen for new connections, place the resource into the array.
  4. Attach an for the database.
  5. When the event get’s fired, pipe the new data to all the clients in the array.

How do I open PHP in Chrome?

Step by step instructions:

  1. Download and install XAMPP – The installation is quite simple and straightforward. …
  2. Starting XAMPP – Once installed, you need to open the XAMPP Control Panel. …
  3. Create your PHP page. …
  4. Place the PHP file on the server. …
  5. Find the path to your PHP page in your Chrome browser.

Can PHP be used for front end?

PHP is used server-side to generate client-side rendering in the web browser. The server application downloads the rendering code to the browser, so in that sense it’s dealing with the front end, as well. But, no, PHP is not used for front-end development, as this term is commonly understood.

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Can PHP run client side?

The PHP is not installed on the client side, it is only on the server side. … But it’s just window or small frame that is visible on the current browser or in a page on the browser of a local machine (or client machine). So whenever PHP functions are invoked, it is executed at the server side, not on the client side.