title: Insert a space between two variables
body: <p>I have a problem to add space and comma between two variables:</p>
  
  <pre><code>&lt;td&gt;&lt;?php echo '&lt;a href=https://www.google.de/maps/place/
  '.$row['ort'].$row['strasse'].' target="_blank"&gt;'.$row['ort'].'&lt;/a&gt;';?&gt;&lt;/td&gt;
  </code></pre>
  
  <p>The results is</p>
  
  <pre><code>BerlinKolnerweg
  </code></pre>
  
  <p>but I want to insert space and comma like this:</p>
  
  <pre><code>Berlin, Kolnerweg
  </code></pre>
  
  <p>This does not work:</p>
  
  <pre><code>.$row['ort'].', ' .$row['strasse'].
  </code></pre>
  
  <p>Can you help me?</p>