title: Why are there periods in PHP?
body: <blockquote>
  <p><strong>Possible Duplicate:</strong> <br />
  <a href="https://stackoverflow.com/questions/6104449/what-does-the-period-character-mean-if-used-in-the-middle-of-a-php-string">What does the 'period' character (.) mean if used in the middle of a php string?</a></p>
  </blockquote>
  
  <p>Why are the periods included in the code that follows?</p>
  <pre><code>require(&quot;mod/&quot; . $modarrayout . &quot;/bar.php&quot;);
  </code></pre>
  <p>Obviously, it's because the variable is between strings, but shouldn't the quotes have taken care of that?
  PHP</p>