title: loading icon & get values fom "shell_exec" result while php loading
body: <p>[ loading icon &amp; get values fom "shell_exec"  response while php loading][1]</p>
  
  <p>Hi, I have a little knowledge in PHP, I need when a PHP page is loaded, automatically show information from a "shell_exec" results, actually, it's the IMEIs from connected USB modems, also the icon for the signal while being selected "from 4 icons" based on the level of the signal which also a result of "shell_exec" </p>
  
  <p>I need to change src="foler/xx.png based on 4 conditions</p>
  
  <pre><code>&lt;td class="neo-table-data-row table_data"&gt;&lt;img title="" src="foler/xx.png"&gt; dongle0&lt;/font&gt;&lt;/td&gt;
  </code></pre>