title: I tried to remove \r \n \t but there are still tabs
body: <p>I tried </p>
  
  <pre><code>str_replace(array("\r\n", "\r", "\n", "\t"), ' ', $text);
  </code></pre>
  
  <p>It could strip new lines but there are still some tabs as you can see below. what's the preblem?</p>
  
  <pre><code>Metal Machine Music, Part I&lt;br /&gt; &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt; Metal Machine Music, Part II&lt;br /&gt; &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt; Metal Machine Music, Part III&lt;br /&gt; &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt;     &lt;br /&gt; &lt;br /&gt;   
  </code></pre>