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In this post I am going to describe the PHP Program which tell us how to Reverse a number. Reversing a number means printing a number in reverse order eg if a number is as 1234 then after reversing it will be printed as 4321.
<?php
if(isset($_POST['submit'])){
$number= $_POST['number'];
$rev=0;
while($number>=1){ //loop to check the digits in number
$ln=$number%10; //taking last digit out from the number
$number=$number/10; //modifying the value of number variable
$rev=$rev*10;
$rev=$rev+$ln; //Adding the number at once place
}
echo "Reverse number is ".$rev;
}
?>
<html>
<head>
<title>Reverse</title>
</head>
<body>
<form action="" method='POST'>
<label for="number">Please Enter a Number</label>
<input type="text" name="number" value="">
<br><br>
<input type="submit" value="Done" name="submit">
</form>
</body>
</html>
Program Output:
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