Steen-Papier-Schaar fout

<?php

$enemy[1] = "Steen";
$enemy[2] = "Papier";
$enemy[3] = "Schaar";


$random = rand(0, count($enemy));

if ($_SERVER['REQUEST_METHOD'] == 'POST'){

$jij = $_POST['jij'];

       if ($jij = $enemy[$random]){
               echo "Het is gelijkspel";
       }

       elseif ($jij == 'Steen' AND $enemy[$random] == 'Schaar'){
               echo "Jij wint";
       }
       elseif ($jij == 'Papier' AND $enemy[$random] == 'Steen'){
               echo "Jij wint";
       }

       elseif ($jij == 'Schaar' AND $enemy[$random] == 'Papier'){
               echo "Jij wint";
       }

       elseif ($jij == 'Steen' AND $enemy[$random] == 'Papier'){
               echo "Jij verliest";
       }



       elseif ($jij == 'Papier' AND $enemy[$random] == 'Schaar'){
               echo "Jij verliest";
       }

       elseif ($jij == 'Schaar' AND $enemy[$random] == 'Steen'){
               echo "Jij verliest";
       }


       else {

               echo "Het is mislukt";
       }
}

       else{

?>

<form method='POST' action=''>

<b>Maak je keuze:</b><br>
<select name='jij'>
<option value='Steen'>Steen</option>
<option value='Papier'>Papier</option>
<option value='Schaar'>Schaar</option>
</select>
<input type='submit' name='submit'>

</form>

<?php
}
?>

<?php
 
$enemy[1] = "Steen";
$enemy[2] = "Papier";
$enemy[3] = "Schaar";
 
 
$random = rand(0, count($enemy));
 
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
 
$jij = $_POST['jij'];
 
       if ($jij = $enemy[$random]){
               echo "Het is gelijkspel";
       }
 
       elseif ($jij == 'Steen' AND $enemy[$random] == 'Schaar'){
               echo "Jij wint";
       }
       elseif ($jij == 'Papier' AND $enemy[$random] == 'Steen'){
               echo "Jij wint";
       }
 
       elseif ($jij == 'Schaar' AND $enemy[$random] == 'Papier'){
               echo "Jij wint";
       }
 
       elseif ($jij == 'Steen' AND $enemy[$random] == 'Papier'){
               echo "Jij verliest";
       }
 
 
 
       elseif ($jij == 'Papier' AND $enemy[$random] == 'Schaar'){
               echo "Jij verliest";
       }
 
       elseif ($jij == 'Schaar' AND $enemy[$random] == 'Steen'){
               echo "Jij verliest";
       }
 
 
       else {
 
               echo "Het is mislukt";
       }
}
 
       else{
 
?>
 
<form method='POST' action=''>
 
<b>Maak je keuze:</b><br>
<select name='jij'>
<option value='Steen'>Steen</option>
<option value='Papier'>Papier</option>
<option value='Schaar'>Schaar</option>
</select>
<input type='submit' name='submit'>
 
</form>
 
<?php
}
?>

($jij == $enemy[$random])

($jij == $enemy[$random])

<?php
$enemy = array();
$enemy[0] = "Steen";
$enemy[1] = "Papier";
$enemy[2] = "Schaar";

if (in_array($_POST['jij'], array_rand($enemy)))
{
       echo '- Jij wint...';
}
else
{
       echo 'loser';
}
?>

<?php
$enemy = array();
$enemy[0] = "Steen";
$enemy[1] = "Papier";
$enemy[2] = "Schaar";
 
if (in_array($_POST['jij'], array_rand($enemy)))
{
       echo '- Jij wint...';
}
else
{
       echo 'loser';
}
?>