Concatenation operator and Escape sequences

Here, we are use a Google link through a “HTML”

Example:-
<?php
$value=25;
$name=”Castor Classes”;
echo “Hello=$name <br>”;    //<br> is use for a next line.
echo ‘Hello=’ . $name . ‘<br>’;
$google=’Google Link’;
echo ‘<a href="http://www.google.com">’.$google.'</a> <br>’;  //This is a HTML code.
echo ‘It’s a nice day’;
?>

OUTPUT:-
Hello=Castor Classes
Hello=Castor Classes
Google Link
It’s a nice day