<html>
<head>
    <title>Untitled</title>
</head>

<body>
<?php
if($submit){
    for($i=0;$i<count($select);$i++)
        echo $select[$i];
}
?>

<p> </p>
<form name="form1" method="post" action="">
<select name="select[]" size="6" multiple>
  <option value="1" selected>111111111</option>
  <option value="2">22222222</option>
  <option value="3">333333333</option>
  <option value="4">444444444</option>
</select>
  <input type="submit" name="submit" value="Submit">
</form>
</body>
</html>