stream_set_blocking($start, true);

$start = ssh2_exec($connection, "mkdir oko && [b]screen -dmS [/b]". $path );

if (isset($_POST['go'])) {
   echo ssh2_exec($connection, 'sudo reboot'); 
}

if (isset($_POST['go'])) {
   echo ssh2_exec($connection, '"cd ". $path . " && screen -AmdS " . $alias . " ./" . $bin . " " . $options;'); 
}

if (isset($_POST['go'])) {
   echo ssh2_exec($connection, 'screen -S minotor'); 
}

<?php
$connection = ssh2_connect(mondomaine.fr', 21);
ssh2_auth_password($connection, 'quentin', '132soleil');
?>

<h3>Ajouter un serveur</h3>
<div class="text">Completez le formulaire suivant pour ajouter un serveur :</div>
<form method="post">
        <fieldset>
                <p><label>Alias :</label><input type="text" class="text-medium" name="alias" /></p>
                <p><label>Type :</label><select name="type">
                <option value="1">Serveur de jeu</option>
                <option value="2">Serveur vocal</option>
                </select></p>
        </fieldset>
        <fieldset>
                <p><label>Exécutable du serveur :</label><input type="text" class="text-medium" name="bin" /></p>
                <p><label>Répertoire de l'éxécutable :</label><input type="text" class="text-medium" name="path" /></p>
                <p><label>Options de lancement :</label><textarea name="options"></textarea></p>
                <p><label>Nom du screen :</label><input type="text" class="text-medium" name="screen" /></p>
        </fieldset>
                        <button type="submit" name="start" class="button"><img src="icones/tick.png"> Ajouter ce serveur</button> <button type="reset" class="button negative"><img src="icones/cross.png"> Reset des champs</button>
        
</form>

$bin = $_POST['bin'];
$path = $_POST['path'];
$alias = $_POST['alias'];
$options = $_POST ['options'];
$screen = $_POST['screen'];