How to make comment in php

How do I comment out PHP in HTML?

PHP supports several ways of commenting:

  1. Syntax for single-line comments: html> html> // This is a single-line comment. …
  2. Syntax for multiple-line comments: html> html> /* …
  3. Using comments to leave out parts of the code: html> html>

How do you comment out a line of code in PHP?

PHP comment

  1. single line comment used for quick notes about complex code or to temporarily disable a line of PHP code. You need to add // or # before the code.
  2. multi-line comment used to comment out large blocks of code or writing multiple line comments. You need to add /* before and */ after the code.

How do you write a good comment code?

In-line comments should be used sparingly, only where the code is not “self-documenting”. When you do use “in-line” comments, you should place them before (or next to) any code that is not self explanatory. This comment should detail the “idea” behind the code and what is to be accomplished.

How do you write Hello World in PHP?

php // Declare the variable ‘string’ and assign it a value. // The
is the HTML equivalent to a new line. $string = ‘Hello World!
‘; // You can echo the variable, similar to the way you would echo a string. echo $string; // You could also use print.

What does PHP stands for?

PHP: Hypertext Preprocessor

How should we add a single line comment in our PHP code?

PHP Comment Syntax: Single Line Comment

To do a single line comment type “//” or “#” and all text to the right will be ignored by PHP interpreter.

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How do I comment PHP code in WordPress?

To comment part of a section, you have to already be inside PHP tags. So you don’t need to open a new set. // will get you there as a one line comment if you are in PHP tags and at the end of a line. Line wrap will apply.

How do you create a cookie in PHP?

Cookies are usually set in an HTTP header but JavaScript can also set a cookie directly on a browser. Setting Cookie In PHP: To set a cookie in PHP,the setcookie() function is used. The setcookie() function needs to be called prior to any output generated by the script otherwise the cookie will not be set.

How do you create a real time commenting system?

Frontend using Vanilla JavaScript

  1. Step 1: Create a folder named public and create an index. html. …
  2. Step 2: Add boilerplate Code to our index. html. …
  3. Step 3: Create style. …
  4. Step 4: Add the Pusher JS library and create app. …
  5. Step 5: Creating Form for adding new comment. …
  6. Step 6: Display list of comments received for this channel.

How much does Disqus cost?

Get everything in Disqus Plus and more for $99 per month ($89/month with annual billing). Available to organizations containing up to 20 sites, with under 150,000 daily pageviews total.

How do you comment section in HTML?

An HTML comment begins with comment closes with ––> . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.

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What are comments?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

Are comments in code necessary?

Yes. Comments are very useful for a programmer and not just to fake like they know what they are doing, but in debugging and usefully documenting as well. Comments are useful because they reassure the person reading your code – probably the “future you” – that you’ve thought about her welfare.

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