HTML
<html>
<head>
<style type="text/css">
[required]
{
border-color:red;
box-shadow: 0px 0px 5px green;
}
</style>
</head>
<body>
<form action="DO.PHP" method="POST">
<table border=2>
<tr><td>VALOR INICIAL</td>
<td> <input type="integer" name="VI" required> </td>
</tr>
<tr><td>VALOR FINAL</td>
<td> <input type="integer" name="VF" required></td>
</tr>
<tr><td>NUMERO</td>
<td> <input type="integer" name="N" required></td>
</tr>
<tr><td> <input type="submit" value="GENERAR"></td>
</tr>
</table>
</form>
</body>
</html>
PHP FOR
<?php
$VII=$_POST["VI"];
$VFF=$_POST["VF"];
$NN=$_POST["N"];
echo "<table border='1'>";
echo "<tr><td colspan=5><h1>TABLA DEL $NN</h1></td></tr>";
$CVI=0;
$CNN=0;
$Cres=0;
echo"RESULATADO";
echo"<br>";
if($VII<=$VFF){
FOR($i=$VII;$i<=$VFF;$i++)
{ echo "<tr><td>".$i."</td><td>*</td><td>".$NN."</td><td>=</td><td>".$NN*$i."</d></tr>";
$res=$NN*$i;
$CVI=$CVI+$i;
$CNN=$CNN+$NN;
$Cres=$Cres+$res;
}
}else{
echo "ERROR";
}
echo "<tr><td colspan=2>$CVI</td><td colspan=2>$CNN</td><td>$Cres</td></tr>";
echo "</table>";
?>
PHP DO
<?php
$VII=$_POST["VI"];
$VFF=$_POST["VF"];
$NN=$_POST["N"];
echo "<table border='1'>";
echo "<tr><td colspan=5><h1>TABLA DEL $NN</h1></td></tr>";
$CVI=0;
$CNN=0;
$Cres=0;
echo"RESULATADO";
echo"<br>";
if($VII<=$VFF){
DO
{
$VII++;
echo "<tr><td>".$VII."</td><td>*</td><td>".$NN."</td><td>=</td><td>".$NN*$VII."</d></tr>";
$res=$NN*$VII;
$CVI=$CVI+$VII;
$CNN=$CNN+$NN;
$Cres=$Cres+$res;
}while($VII<$VFF);
}else{
echo "ERROR";
}
echo "<tr><td colspan=2>$CVI</td><td colspan=2>$CNN</td><td>$Cres</td></tr>";
echo "</table>";
?>
PHP WHILE
<?php
$VII=$_POST["VI"];
$VFF=$_POST["VF"];
$NN=$_POST["N"];
echo "<table border='1'>";
echo "<tr><td colspan=5><h1>TABLA DEL $NN</h1></td></tr>";
$CVI=0;
$CNN=0;
$Cres=0;
echo"RESULATADO";
echo"<br>";
if($VII<=$VFF){
while($VII<=$VFF)
{
$VII++;
echo "<tr><td>".$VII."</td><td>*</td><td>".$NN."</td><td>=</td><td>".$NN*$VII."</d></tr>";
$res=$NN*$VII;
$CVI=$CVI+$VII;
$CNN=$CNN+$NN;
$Cres=$Cres+$res;
}
}else{
echo "ERROR";
} echo "<tr><td colspan=2>$CVI</td><td colspan=2>$CNN</td><td>$Cres</td></tr>";
echo "</table>";
?>
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