Show all images in a folder with PHP

<?php
//Your folder
$files = glob("icons/*.*");

$colCnt=0;
echo '<table border="0" style="width:590px;">';

for ($i=1; $i<count($files); $i++)
  {
  $colCnt++;
  if ($colCnt==1)
  echo '<tr>';
  echo '<td width="25%" style="font-size:8.5px; font-family:arial">';

  $num = $files[$i];
  echo '<img src="'.$num.'" align="absmiddle" /> ';
  print substr(substr($num,6,100),0,-4);

  echo '</td>';

  if ($colCnt==4)
    {
    echo '</tr>';
    $colCnt=0;
    }
  }

echo '</table>';
?>