如何在两个输出之间添加PHP空间

I am new to php and trying to do this:

<html>
<body>
<?php
echo 'Welcome'.$_GET['name'];
?>
</body>
</html>

This is my php code which displays my name entered by using a html form. When submit button is pressed I get this output :- WelcomeNick Watterson

But I am trying to add space between Welcome and Nick. How can I do this in this code?

use the below code

<?php
echo 'Welcome&nbsp;'.$_GET['name'];
?>

  is the html entity code for creating an single space character.

You can also use the below code:

<?php
    echo 'Welcome '.$_GET['name'];
 ?>

Will also work because one empty space is interpreted by the browsers directly.

<?php
$strings = array('Hello', 'World!');
// Usual concatenation
echo $strings[0] . ' ' . $strings[1];
// Some implode
echo implode(' ', $strings);