PHP Comments - PHP Tutorial 15

Notes for You:: PHP Comments - PHP Tutorial 15
Comments are something like notes inside the code.
Types of comments in PHP:
There are 2 types of comments in PHP.
Single line comments:
anything written after // on the line is treated as a comment.
Example: // comment goes here
anything written after # on the line is treated as a comment
Example: # comment goes here
Multiline comments
anything written in between /* and */ is treated as a comment
Example: /* comment goes here */
Comments are used to document the source code:
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 part(s) of the code, we can comment them so that they can be ignored by the PHP engine.
Comments have no effect on the execution of a program.
Comments are ignored by the PHP engine.
Example Code:
<?php
// Author : Manjunath
DOM: 01-01-0101
/*
echo is the language construct used to display something on the browser
sequence of character enclosed in double quotations is called as string
*/
// echo "Hello World","<br/>";
/*
echo "Hello World","<br/>";
echo "Hello World","<br/>";
*/
echo "Hello PHP";
?>
Note:
replace < with less-than symbol.
replace > with greater-than symbol.
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