validation of php code

[nanat]

how i can validate my php code if my syntax is all right.. i run my date function in Firefox it run so smooth when i run it in IE my date Collapse..

$selectTime = '<select name=etime>';
for ($i = 6; $i <= 12; $i++)
{
$selectTime .= '<option value="'.$i.':00 AM">'.$i.':00 AM</option>';
$selectTime .= '<option value="'.$i.':30 AM">'.$i.':30 AM</option>';
}
for ($i = 1; $i <= 6; $i++)
{
$selectTime .= '<option value="'.$i.':00 PM">'.$i.':00 PM</option>';
$selectTime .= '<option value="'.$i.':30 PM">'.$i.':30 PM</option>';
}
$selectTime .= '</select>';

$addBtnDiv = '';
$listStudes = '';
$divStageEvent = '';

//expiring date
$sMonth = '<select name=smonth>';
for($i = 1; $i <= 13; $i++)
{
if($i == $tmpDate[0])
{
$sMonth .= '<option value="'.$i.'" selected>'.ucwords(monthFormNumeric($i)). '</option>';
}
else
{
$sMonth .= '<option value="'.$i.'">'.ucwords(monthFromNumeric($i)).'</option>';
}
}
$selectMon .= '</select>';

$sDay = '<select name=sday>';

for ($i = 1; $i <= 31; $i++)
{
if ($i == $tmpDate[1])
{
$sDay .= '<option value="'.$i.'" selected>'.$i.'</osption>';

}
else
{
$sDay .= '<option value="'.$i.'">'.$i.'</option>';
}
}
$sDay .= '</select>';

$sYear ='<select name=syear>';
for ($i = date("Y"); $i <= (date("Y") + 10); $i++)
{
$sYear .= '<option value="'.$i.'"a>'.$i.'</option>';
}
$sYear .= '</select>';

my form

<tr>
<td align="right" nowrap=nowrap>Date:</td>
<td align="left">'.$sMonth.' '.$sDay.', '.$sYear.'</td>
</tr>

any idea? T_T

[g1smd]

What do you mean by 'collapse'?

[nanat]

in Firefox the result of my page Jan 1 2009.. works fine.. but in internet explore my day $Sday table collapse it will turn into jan 12345678910111213141516171819202122232425262728293031, 2009..
base in my loops