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What is a Single Line Comment in PHP

Single Line Comment in PHP

In this article, we will see how to make single line comment in PHP .

What are comments

Comments are something like notes inside the PHP code. Comments are ignored by the PHP engine.

Uses of comments

Comments are used to explain code the logic so that we can understand the code later; as well as other developers can read and understand the code easily. Comments are used to increase the readability and understandability of the source code.

If we don’t want to execute some parts of the code, we can comment on them so that they can be ignored by the PHP engine. Comments have no effect on the execution of a program.

Types of comments in PHP

There are 2 types of comments in PHP:

  • Single line comments
  • Multiline comments

In this article, we will discuss only single line comment

What are single-line comments

  • Anything written after the “//” double backslash on the line is treated as a comment
  • Anything written after the “#” hash on the line is treated as single line comment.

Syntax:

// comments goes here
# comment goes here

Example

<?php
# echo "HEllo world";
// echo "HEllo world";
?>

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