switched to helper function for reading detected ports

<div style='padding:10px'>

  <?php

  $port0 = 2323;

  $path = "/sys/devices/soc0/elphel393-detect_sensors@0";

  include "include/elphel_functions_include.php";

  $port0 = 2323;

  $table_contents = "";

  $port_links = "";

  $sample_port = -1;

  for($i=0;$i<4;$i++){

    $sensor = $path."/sensor{$i}0";

    if (is_file($sensor)){

      $c = trim(file_get_contents($sensor));

      if ($c!="none"){

  foreach(get_sensors() as $i => $sensor){

    if ($sensor!="none"){

        $sample_port = $i;

        $sandp = "http://{$_SERVER["SERVER_ADDR"]}:".($port0+$i);

        $table_contents .= "</td>";

        $port_links .= "<li><a href=\"#\" onclick=\"window.open('camvc.html?sensor_port=$i&reload=0', 'port $i','menubar=0, width=800, height=600, toolbar=0, location=0, personalbar=0, status=0, scrollbars=1')\">port $i</a></li>\n";

      }

    }

  }