Join two string variables together and output in PHP

Description

The following code shows how to join two string variables together and output.

Example

/*from   w  w w.  j  a v a 2s .  c om*/
<?php
   $str1="Hello world!";
   $str2="What a nice day!";
    print $str1 . " " . $str2;
?>

The code above generates the following result.