$dr1=stripslashes($data[dr1]);

for($i=1;$i<=10;$i++) {
      ${'dr'.$i}=$data['dr'.$i]=stripslashes($data['dr'.$i]);
   }

if($dr1)$dr1="<a class=url href='$dr1' target=_blank>$dr1</a>";

for($i=1;$i<=10;$i++) {
if(${'dr'.$i}) ${'dr'.$i} = '<a class=url href='.${'dr'.$i}.'" target=_blank>'.${'dr'.$i}.'</a>';
}

$hide_sitelink1_start

${'hide_sitelink'.$i.'_start'}

{ $hide_sitelink1_start="<!--";$hide_sitelink1_end="-->";}

{ ${'hide_sitelink'.$i.'_start'}="<!--";${'hide_sitelink'.$i.'_end'}="-->";}

학습용소스
<?php
$temp['file1_name'] = 'file1_name';
$temp['file2_name'] = 'file2_name';
$temp['file3_name'] = 'file3_name';
$temp['file4_name'] = 'file4_name';
$temp['file5_name'] = 'file5_name';
$temp['file6_name'] = 'file6_name';

$dream1 = 'dream1';
$dream2 = 'dream2';
$dream3 = 'dream3';
$dream4 = 'dream4';
$dream5 = 'dream5';
$dream6 = 'dream6';

for($i=1;$i<=6;$i++) {
// 1
${'dr'.$i} = '<tag option="'.$temp['file'.$i.'_name'].'">'.${'dream'.$i}.'</tag>';
// 2
//${'dr'.$i} = "<tag option='".$temp['file'.$i.'_name']."'>".${'dream'.$i}."</tag>";
// 3
// ${"dr".$i} = "<tag option='".$temp["file".$i."_name"]."'>".${"dream".$i}."</tag>";
}

echo '<xmp>';
echo $dr1;
echo "n";
echo $dr2;
echo "n";
echo $dr3;
echo "n";
echo $dr4;
echo "n";
echo $dr5;
echo "n";
echo $dr6;
?>