block comment php

1<?php
2// Author : https://www.codedweb.org/
3// This is a single-line comment
4# This is also a single-line comment in unix and linux
5  
6/*
7This is a Multi-lines comment block
8by this way you can add muliple lines on it. 
9lines
10*/
11  
12// You can also use comments to leave out parts of a code line
13$var = 2 /* + 12 */ + 2;
14echo $var;
15?>

1    /* This is a multi line comment
2       yet another line of comment */