title: How to use $_FILES["file"]["size"]?
body: <p>how can I see if the file loaded weighs less than 5MB? I am using </p>
  
  <pre><code>$ _FILES ["file"] ["size"] 
  </code></pre>
  
  <p>but I do not know how to set 5mb, because the value must be expressed in bytes, from what I understand. So how to do </p>
  
  <pre><code>$ _FILES ["file"] ["size"] &lt;(5mb)
  </code></pre>
  
  <p>thanks</p>