PHP program palindrome number

 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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 How To Run A PHP Code In  XAMPP

How to Install XAMPP ?

 1]   Apachefriends developed XAMPP . 

2] XAMPP available for everyone free of cose,

 3] download XAMPP through the official website

     https://www.apachefriends.org/download.html

∴  completing the download of the  setup file, than installation process  "select components"             section , select all the required components.

 setup

  ∴ Next, Select the directory where you want the software to be installed.it is recommended that you 

      use default directory "c\xampp" and click on "next " to complete the installation.

How to Start a New PHP Program In XAMPP ?

1]  Before you run or start  writing any program in php ,you start Apache & MYSQL.

2] next starting both servers, you have to write a program in Notepad, visual studio code ...... etc.

3]  next writing it, save that file  Name  as "program.php".

4] Before copy that file program.php to c:/program Files/ XAMPP/htdocs.

5]  open the browser and type http://localhost.

6]  Now run your code in that browser. 

 How to Run  a PHP Code using XAMPP?

 1] Before running a php script, you must know anywhere to write it.  

2]  XAMPP directory, there exists a folder called "htdocs" This is Where all the programs for 

     The web pages will be stored.

3]   Now, run a PHP Script.

1]  Go to "C:\xampp\htdocs" and inside it, create a  folder. lets  call it  "demo" it's considered 

     good practice to create  a new folder for every project you work on. 

2] Inside the demo folder, create a new text file and name it "index.php" and write the following script.

  

<?php

echo " hi";

?>

<?+php

echo "<marquee>learn php language </marquee>" ;

?>

3] Now to see the script  output open the XAMPP  control panel  and start Apache to host the local 

   webserver, where our script will be running.

4] Now navigate to your browser and type in "localhost/demo/" in the address bar to view the 

∴  OUTPUT  :

∴ Congratulations with this  you have  created a PHP  file and also executed the          program Successfully.

1) Can we run PHP in XAMPP? 

Yes, you can run PHP  in xampp. First start the XAMPP Server create a program  you want to and  run  http://localhost.

2) How do I run my PHP file?

PHP  files are saved in c:/program  files/XAMPP/htdocs.

you have to open it. click on the program, and it will automatically run on localhost.

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Check whether a number 

Q. program to check whether a number is positive or negative or Zero 

Example ::-

<?php

$no=49;

$result=($no>0)? "positive no":"Negative no" ;

echo $result;

?>

 output ::-

positive no 

Q. php program to check whether a number is positive or negative or Zero 

Form.  

Example

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="

width=device-width, initial-scale=1.0">

    <link rel ="stylesheet" href="

css/bootstrap.css">

    <title>Document</title>

</head>

<body class="bg-primary">

<div class="bg-white col-md-4 mx-auto mt-5 p-3">

<h5>positive/negative /zero</h5>

    <form action="accept-posi-nega-no.php"

method="get">

    <label>enter any no</label>    

    <input type="number" name="no" class="

form-control" required>

    <input type="submit" value="check" name="b1"

class="btn-btn-primary mt-2">

    </form>

    <?php

        if(isset($_GET['b1']))

        {

            $number=$_GET['no'];

       

        if($number>0)

        {

            echo"positive no";

        }

        else if ($number<0)

        {

            echo"negative";

        }

        else

        {

            echo "no is zero";

        }

    }

       

    ?>

    </div>

</body>

</html>

 php program to check whether a number is positive or negative or Zero 

Form . 

Output :--

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php program check to even or odd number

Even odd Program

php even odd program

Information ::-

1]  Those EVEN Number  - 2,4,6,8,10 etc.
2] those divisible by 2 number .

1] Those ODD Number - 1,3,5,7,9,11 etc.
2]  Not divisible by  2 Number .

PHP Even Odd Program 

Example :-

<?php

$no=100;

if($no%2==0)

{

    echo"$no is even number";

}

else

{

  echo "$no is odd number";

}

?>

php even odd program

Output :-

Even odd Program using FORM in php 

Example :-

<form action="evenor-odd-form.php" method="get">

    <input type="number"  name="number" value="number" required>

    <input type="submit" value="show" name="b1">  

</form>

<?php

  if(isset($_GET['b1']))

  {

  /* input  */

  $no =$_GET ['number'];

 

  $result=($no %2==0)? "no even" :"no odd";

  echo "$result";

  }

  ?>

Even odd Program using FORM in php 

Output :-

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how to create login form in php

        

     how to create login form in php with MySQL

Login Form 

      EXAMPLE :-

<?php

include 'connection.php';

        if(isset($_POST['b1']))

        {

           

            $email = $_POST['uem'];

            $pass = $_POST['upwd'];

    $q="SELECT * FROM userdetails WHERE uem =

'$email' AND upwd ='$pass'";

            $rs = mysqli_query($cn,$q);

            $count = mysqli_num_rows($rs);

                if($count ==1)

                {

                    session_start();//start

            $data = mysqli_fetch_assoc($rs);

                   

      $_SESSION['id'] = $data['uid'];//create

                    echo "<script>

                    alert('login Successfully');

          window.location.href='profile.php';

                    </script>";

                }

                else

                {

                    echo "<script>

                  alert('Invalid Credetials');

                    </script>";

                }

        }

?>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content=

"width=device-width, initial-scale=1.0">

    <title>User Login</title>

    <link rel="stylesheet"

href="css/bootstrap.css">

</head>

<body class="">

       

   

  <div class="col-md-4 bg-white shadow-lg

mx-auto mt-5

        p-3">

           

        <h1 class="text-center text-primary">

                Login Here

            </h1>

      <form action="login.php" method="post">

           

            <label>Email Address</label>

<input type="email" name="uem" class="

form-control mb-1"

            required>

            <label>Password</label>

            <input type="password" name="upwd"

class="form-control mb-1"

            required>

         

            <div class="text-center">

          <input type="submit" value="Login"

           name="b1" class="btn btn-primary">

  <a href="index.php" class="btn btn-danger">

Create An account ?</a>

                <br>

                <p class="text-center my-3">

                    <a href="forgot-password.php">

                        forgot password ?

                    </a>

                </p>

            </div>

            </form>

        </div>

</body>

</html>

Login Form 

         Output:-

           

Note :- data store in the database php

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