title: How to store $ in a PHP variable?
body: <p>I want to store a $ character in a PHP variable.</p>
  
  <pre><code>$var = "pas$wd";
  </code></pre>
  
  <p>I get the following error</p>
  
  <pre><code>Notice: Undefined variable: wd in C:\xxxxx  on line x
  </code></pre>
  
  <p>Help.</p>