Practical 8 ( Recursive Function. )
Practical
No.8
AIM:
Write a PHP
program to display factorial value using Recursive Function.
PROGRAM:
<html>
<body>
<form action="factorial.php" method="POST">
<center><br>
<table align="center"
width="35%" border="5">
<tr align="center"
bgcolor="blue"><td><font
color="white"><br><h1>FACTORIAL</h1></td></tr>
<tr
bgcolor="pink"><td><br>
<font color="black"
size="5">ENTER THE DIGIT</font>
<input
type="text"name="n"size="20">
<br><br>
<input
type="submit"value="SEND  "><br></center></td></tr><table></form>
<?php
$m=$_POST["n"];
function factorial($m)
{
if($m<2)
return 1;
else
return($m*factorial($m-1));
}
$f=factorial($m);
echo'<br><table border="2"
align="center"><tr><td>';
echo'<center><font face="arial"
size="5"
color="red">FACTORIAL</font><br><br>';
echo"<b></b>";
echo'<font face="arial"
size="5"><br>';
echo"Given Digit = $m <br>";
echo'<br><font
color="black">';
echo "Factorial =
$f";
echo"</center></font>";
echo'</td></tr></table>';
?>
</body>
</html>
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