How to remove a custom sign from a variable : <p>Let's say I have a variable called <code>$price</code> and contains <code>12,234,564</code>.</p>

<p>Now I want to remove this sign:</p>

<blockquote>
  <p>,</p>
</blockquote>

<p>So it would be like this:</p>

<p><code>12234564</code></p>

<p>And here is the full code:</p>

<pre><code>if(isset($_GET['price']){
    $add_price = $_GET['price'];
}
</code></pre>

<p>How to do this in PHP ?</p>
