palindrome number in php

 palindrome number in php

 

palindrome number  ::-

1] palindrome number is a number which remains same digits reversed.

2] eg ::- number - 24142 is a palindrome number. 

 on reversing same digits .

1) take a number .

 2) Reverse the input digits.

3) compare the two digits.

4) If equal it is digits is palindrome. 

 palindrome number in php

Example ::-

<?php

function palindrome($n){

    $number =$n;

    $sum = 0;

    while(floor($number))

    {

        $rem = $number % 10;

        $sum = $sum * 10+$rem;

        $number = $number/10;

    }

  return $sum;

}

$input= 1235321;

$num= palindrome($input);

if($input==$num){

echo "$input is a palindrome number";

}

else {

    echo "$input is not a palindrome";

   

}

?>

 palindrome number in php 

Output ::- 

·        Palindrome Number use in  form in php

Example :-

<form method="post">

    Enter a number

    <input text="text" name="number">

    <br></br>

    <button type="submit">Check number</button>

</form>

<?php

if($_POST)

{

    $number=$_POST['number'];

    $reverse=strrev($number);

    if($number==$reverse){

        echo"The number  $number is polindrome";

    }

    else{

        echo"The number $number is not a

polindrom";

    }

    }

?>

   Output :-

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