Untitled

How to get vars out of a looped html form?
for($i=0;$i<10;$i++){
  echo '<input type="text" name="field'.$i.'">';
}

foreach ($_POST['field'] as $key => $value)
{

}

for($i=0;$i<$_POST["count"];$i++) {
  $var = $_GET["field".$i];
  //do something
}

<input type="text" name="field[0]">

$a1 = "What";
$a2 = " are";
$a3 = " you";
$a4 = " doing?";
for($i=1;$i<=4;$i++){
  $txt .= ${"a".$i};
  echo $txt;
}

echo '<input type="text" name="field['.$i.']">';

$fields = $_POST['field'];