Ya lo resolvi
Gracias
Código PHP:
<?php
$Nom = " |Dell | 256 | 128 |
|Ibm | 128 | 256 |
|Compaq | 512 | 1000 | ";
$Com = explode("|",$Nom );
$b = 1;
echo
"<table border=1><tbody>
<tr>
<th>Marca</th>
<th>Memoria ram</th>
<th>Targeta Video</th>
</tr>
";
for($a = 1 ;$a < count($Com);$a++){
$l = $Com[$a];
if ($b < 4 )
{
echo "
<td>$l</td>";
}
else
{
echo "<tr></tr>";
$b = 0 ;
}
$b++;
}
echo "
<tbody>
</table>";
?>