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Have 2 users it only recognises user 1.


ragos200
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HI guys,

Created a matchmaking form with 2 users,user 1 fills it out saves the information then user 2 fills it out and the result is calculated.

Problem is that user 1 fills it out and it won't recognize user 2 so I can't calculate anything.

I have tried many times to fix this but it dosn't work,

Please help me by telling me what's wrong with my code.

<?php
session_start();
$difference=0;
$match=0;
$nmatch=1;
$result=1;


if(isset($_POST['check']))
{

    if (!isset($_SESSION['userOneName']))
    {
        $_SESSION['userOneName'] = $_POST["username"];
        $_SESSION['userOneBirthYear'] = $_POST["birthyear"];
        $_SESSION['userOneGoal'] = $_POST["goal"];
        $_SESSION['userOneFavorite'] = $_POST["favorite"];
        $_SESSION['userOneCat'] = $_POST["cat"];
        $_SESSION['userOneDog'] = $_POST["dog"];   
        $_SESSION['userOneHamster'] = $_POST["hamster"];
        $_SESSION['userOneGoldfish'] = $_POST["goldfish"];
        $_SESSION['userOneHuman'] = $_POST["human"];
        // create ALL session variables for user1 according to what's in the input vars: $_SESSION["userOneSomething"]=$_POST["something"];
    }
    else
    {
      $_SESSION['userTwoName'] = $_POST["username"];
      $_SESSION['userTwoBirthYear'] = $_POST["birthyear"];
      $_SESSION['userTwoGoal'] = $_POST["goal"];
      $_SESSION['userTwoFavorite'] = $_POST["favorite"];
      $_SESSION['userTwoCat'] = $_POST["cat"];
      $_SESSION['userTwoDog'] = $_POST["dog"];   
      $_SESSION['userTwoHamster'] = $_POST["hamster"];
      $_SESSION['userTwoGoldfish'] = $_POST["goldfish"];
      $_SESSION['userTwoHuman'] = $_POST["human"];
    }
        
        // Now we're in user 2. Create ALL session vars for user 2- AND Calculate Match 
     if(isset($_SESSION["goal"]))
        if ($_SESSION['goal'] !== 'romance')
        {
            session_unset (); 
            echo "sorry,no match"; 
        }
             #calculate first result
        {
            $difference +=abs('$userOneBirthYear'-'$userTwoBirthYear');
        }
      if ($_SESSION['userOneFavorite'] == 'userTwoFavorite')    
        {  
            $result +=$nmatch +10;
        }
    
    {
    $_SESSION["check"]= $_POST["check"];
    $_SESSION["username"]= $_POST["username"]; 
    $_SESSION["birthyear"]= $_POST["birthyear"];
    $_SESSION["goal"]= $_POST["goal"];
    $_SESSION["favorite"]= $_POST["favorite"];
    }
   
    if(isset($_POST['cat']))
    {
          $_SESSION["cat"]= $_POST["cat"];
    }
    if(isset($_POST['dog']))
    {
        $_SESSION["dog"]= $_POST["dog"];
    }
    if(isset($_POST['hamster']))
    {
        $_SESSION["hamster"]= $_POST["hamster"];
    }
    if(isset($_POST['goldfish']))
    { 
        $_SESSION["goldfish"]= $_POST["goldfish"];
    }
    if(isset($_POST['human']))
    {
        $_SESSION["human"]= $_POST["human"];
    }
                
    
    if(isset($_SESSION["dog"]))
        if ($_SESSION['userOneDog'] == 'userTwoDog')    
        {
            $nmatch +=8+$match;
        }
        else if(isset($_SESSION["dog"]))
            if ($_SESSION['userOneDog'] !== 'userTwoDog')    
            {
                $nmatch +=8+$match;
            } 
   
    if(isset($_SESSION["cat"]))
        if ($_SESSION['userOneCat'] == 'userTwoCat')    
        {
            $nmatch +=8+$match;
        }
    else if(isset($_SESSION["cat"]))
        if ($_SESSION['userOneCat'] == 'userTwoCat')    
        {
            $nmatch +=8+$match;
        }
    if(isset($_SESSION["hamster"]))
        if ($_SESSION['userOneHamster'] == 'userTwoHamster')    
        {
            $nmatch +=8+$match;
        }
    else if(isset($_SESSION["hamster"]))
        if ($_SESSION['userOneHamster'] == 'userTwoHamster')    
        {
            $nmatch +=8+$match;
        }
    if(isset($_SESSION["goldfish"]))
        if ($_SESSION['userOneGoldfish']=='userTwoGoldfish')
        {    
            $nmatch +=8+$match;
        }
    else if(isset($_SESSION["goldfish"]))
        if ($_SESSION['userOneGoldfish'] !== 'userTwoGoldfish')    
        {
            $nmatch +=8+$match;
        }
    if(isset($_SESSION["human"]))
        if ($_SESSION['userOneHuman'] == 'userTwoHuman')    
        {
            $nmatch +=8+$match;
        }
        else if(isset($_SESSION["human"]))
            if ($_SESSION['userOneHuman'] !== 'userTwoHuman')    
            {
                $nmatch +=8+$match;
            }
    
    #final result
      
    if(isset($_SESSION['userTwoFavorite']))
        echo  "system calculated the result";
        echo " your compatabilaty grade " .$result;
    if(isset($_SESSION['check']))
    if ($result <= 50) 
    {
        session_unset ();echo " keep away";
    }
    
    if ($result <= 50-70)
    {
        session_unset ();
        echo "not great";
    }
    else if ($result >= 75) 
    {
        session_unset ();
        echo "  you are a match made in heaven ";
    } 
   //need to think where this goes:into what condition
    session_unset ();
    echo " ?another round";
}
    
 ?>

Here is the form in html code:

<!doctype html>


<html>
<head>
<title>matchmaker</title>
<meta charset="UTF-8">
<meta name="viewport" content="initial-scale=1.0">
        <style> body{text-align: center;
            border-style: solid;
            padding:50px;}
        </style>
</head>

   <body>
       <h1>MatchMaker-2017-Find Your Soulmate</h1>
       <h2>user 1</h2> 
        <form method="post">
            <br>
            <hr>
             <label>?Name?</label>
             <input type="text" name="username">
            <br>
            <hr>
            <label>Birthyear: </label>
            <input type="text" name="birthyear">
            <br>
            <br>
            <hr>
            <label>looking for soul mate</label><br>   
      <input type="radio" name="goal" value="romance">romantic reasons
      <input type="radio" name="goal" value="friendship">friendship reasons
      <input type="radio" name="goal" value="luck">potluck<br> 
            <hr>
            <label>Animals I love:</label> <br>
             <input type="checkbox" name="cat" value="cat">cats<br>
             <input type="checkbox" name="dog" value="dog">dogs<br> 
             <input type="checkbox" name="hamster" value="hamster">hamsters <br> 
             <input type="checkbox" name="goldfish" value="goldfish">goldfish <br> 
             <input type="checkbox" name="human" value="human">humans <br>
            <hr>
            <label>favourite thing:</label>
             <input type="text" name="favorite">
            <br>
            <br>
            <button type="sumbit" name="check" value="check">check compatibility</button>
        </form>
</body>
</html>


Thank You

 

 

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Look at your code that processes the form. When the first user submits the form, the code sets up the userOne* values. Then what? What will the code do next? I don't mean what it should do, I mean what does it actually do? Try to step through the code in your head as if you were executing it to see what happens.

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Try something like this to organise your users:

session_start();
$_SESSION['users'] = [];

function addUser($data) {
    $_SESSION['users'][] = [
        'name' => $data['username'],
        'birthYear' => $data['birthyear']
        // ...
    ];
}

if (isset($_POST['check'])) {
    addUser($_POST);
    
    $numberOfUsers = count($_SESSION['users'])
    if ($numberOfUsers == 1) {
        // do user 1 stuff
        // $user1 = $_SESSION['users'][0];
    } elseif($numberOfUsers == 2) {
        // do user 2 stuff
        // $user1 = $_SESSION['users'][0];
        // $user2 = $_SESSION['users'][1];
    }

}
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