es mas, aca lo tengo...
Código PHP:
Ver original<form name="form1" method="post" action="">
<table width="200">
<tr>
<td><label>
<input type="radio" name="radio" value="1" id="radio_0">
1</label></td>
</tr>
<tr>
<td><label>
<input type="radio" name="radio" value="2" id="radio_1">
2</label></td>
</tr>
<tr>
<td><label>
<input type="radio" name="radio" value="3" id="radio_2">
3<br>
</label></td>
</tr>
</table>
<p>
<label>
<input type="submit" name="enviar" id="enviar" value="Enviar">
</label>
</p>
</form>
<?php
if(isset($_POST['radio'] == 1)) { echo "seleccion 1"; } if(isset($_POST['radio'] == 2)) { echo "seleccion 2"; } if(isset($_POST['radio'] == 3)) { echo "seleccion 3"; } ?>