In this post I am going to describe the PHP Program which tell us how to find HCF. HCF stands for Highest Common Factor . Highest Common Factor(HCF) of two or more numbers is the greatest number which divides each of them.
<?php
if(isset($_POST['submit'])){
$number= $_POST['number'];
$ar=(explode(" ",$number));
$no= count($ar);
sort($ar);
$n=1;
$i=1;
while($n!=$no){
if($ar[$i]%$ar[0]!=0){
$a=$ar[0];
$ar[0]=$ar[$i]%$ar[0];
$ar[$i]=$a;
}
else{
$n++;
$i++;
}
}
echo "The HCF of all the Number is ".$ar[0];
}
?>
<html>
<head>
<title>HCF</title>
</head>
<body>
<form action="" method='POST'>
<label for="number">Please Enter No</label>
<input type="text" name="number" value="">
<br><br>
<input type="submit" value="Done" name="submit">
</form>
</body>
</html>
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